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• CodePlex Daily Summary for Saturday, November 17, 2012

  CodePlex Daily Summary for Saturday, November 17, 2012Popular ReleasesPaint.NET PSD Plugin: 2.2.0: Changes: Layer group visibility is now applied to all layers within the group. This greatly improves the visual fidelity of complex PSD files that have hidden layer groups. Layer group names are prefixed so that users can get an indication of the layer group hierarchy. (Paint.NET has a flat list of layers, so the hierarchy is flattened out on load.) The progress bar now reports status when saving PSD files, instead of showing an indeterminate rolling bar. Performance improvement of 1...Water Entity for SunBurn: Sunburn Water Entity For 2.0.1.8 (Deffered Only): Sunburn water entity for Sunburn 2.0.1.8 for deffered rendering only, forward water is not working yet. You need to download water normal maps, from Sunburn Reflection/Refraction example from Here.CRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1116.7): [IMPROVED] Detailed error message descriptions for FaultException [FIX] Fixed bug in rule CrmOfflineAccessStateRule which had incorrect State attribute name [FIX] Fixed bug in rule EntityPropertyRule which was missing PropertyValue attribute [FIX] Current connection information was not displayed in status bar while refreshing list of entitiesSuper Metroid Randomizer: Super Metroid Randomizer v5: v5 -Added command line functionality for automation purposes. -Implented Krankdud's change to randomize the Etecoon's item. NOTE: this version will not accept seeds from a previous version. The seed format has changed by necessity. v4 -Started putting version numbers at the top of the form. -Added a warning when suitless Maridia is required in a parsed seed. v3 -Changed seed to only generate filename-legal characters. Using old seeds will still work exactly the same. -Files can now be saved...Caliburn Micro: WPF, Silverlight, WP7 and WinRT/Metro made easy.: Caliburn.Micro v1.4: Changes This version includes many bug fixes across all platforms, improvements to nuget support and...the biggest news of all...full support for both WinRT and WP8. Download Contents Debug and Release Assemblies Samples Readme.txt License.txt Packages Available on Nuget Caliburn.Micro – The full framework compiled into an assembly. Caliburn.Micro.Start - Includes Caliburn.Micro plus a starting bootstrapper, view model and view. Caliburn.Micro.Container – The Caliburn.Micro invers...DirectX Tool Kit: November 15, 2012: November 15, 2012 Added support for WIC2 when available on Windows 8 and Windows 7 with KB 2670838 Cleaned up warning level 4 warningsDotNetNuke® Community Edition CMS: 06.02.05: Major Highlights Updated the system so that it supports nested folders in the App_Code folder Updated the Global Error Handling so that when errors within the global.asax handler happen, they are caught and shown in a page displaying the original HTTP error code Fixed issue that stopped users from specifying Link URLs that open on a new window Security FixesFixed issue in the Member Directory module that could show members to non authenticated users Fixed issue in the Lists modul...xUnit.net Contrib: xunitcontrib-resharper 0.7 (RS 7.1, 6.1.1): xunitcontrib release 0.6.1 (ReSharper runner) This release provides a test runner plugin for Resharper 7.1 RTM and 6.1.1, targetting all versions of xUnit.net. (See the xUnit.net project to download xUnit.net itself.) This release drops 7.0 support and targets the latest revisions of the last two major versions of ReSharper (namely 7.0 and 6.1.1). Copies of the plugin that support previous verions of ReSharper can be downloaded from this release. Also note that all builds work against ALL ...MVC Bootstrap: MVC Boostrap 0.5.6: A small demo site, based on the default ASP.NET MVC 3 project template, showing off some of the features of MVC Bootstrap. Added features to the Membership provider, a "lock out" feature to help fight brute force hacking of accounts. After a set number of log in attempts, the account is locked for a set time. If you download and use this project, please give some feedback, good or bad!Home Access Plus+: v8.4: This release only contains fixes for the 97576 release, you can download the v8.3 release files which aren't in this release from 97576 Changes: Fixed: Setup.aspx wrong jquery reference Fixed: Issue with loading the user's photo Changed: The JSON Urls to use a number of a date rather than a string Added: Code to hopefully, finally, fix the AD Browser not working some times File Changes: ~/bin/hap.ad.dll ~/bin/hap.web.dll ~/bin/hap.web.configuration.dll ~/bin/hap.web.livetiles.dl...OnTopReplica: Release 3.4: Update to the 3 version with major fixes and improvements. Compatible with Windows 8. Now runs (and requires) .NET Framework v.4.0. Added relative mode for region selection (allows the user to select regions as margins from the borders of the thumbnail, useful for windows which have a variable size but fixed size controls, like video players). Improved window seeking when restoring cloned thumbnail or cloning a window by title or by class. Improved settings persistence. Improved co...DotSpatial: DotSpatial 1.4: This is a Minor Release. See the changes in the issue tracker. Minimal -- includes DotSpatial core and essential extensions Extended -- includes debugging symbols and additional extensions Tutorials are available. Just want to run the software? End user (non-programmer) version available branded as MapWindow Want to add your own feature? Develop a plugin, using the template and contribute to the extension feed (you can also write extensions that you distribute in other ways). Components ...WinRT XAML Toolkit: WinRT XAML Toolkit - 1.3.5: WinRT XAML Toolkit based on the Windows 8 RTM SDK. Download the latest source from the SOURCE CODE page. For compiled version use NuGet. You can add it to your project in Visual Studio by going to View/Other Windows/Package Manager Console and entering: PM> Install-Package winrtxamltoolkit Features Attachable Behaviors AwaitableUI extensions Controls Converters Debugging helpers Extension methods Imaging helpers IO helpers VisualTree helpers Samples Recent changes Docum...AcDown?????: AcDown????? v4.3: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???，????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??2...????: ???? 1.0: ????Unicode IVS Add-in for Microsoft Office: Unicode IVS Add-in for Microsoft Office: Unicode IVS Add-in for Microsoft Office ??? ?????、Unicode IVS?????????????????Unicode IVS???????????????。??、??????????????、?????????????????????????????。Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.74: fix for issue #18836 - sometimes throws null-reference errors in ActivationObject.AnalyzeScope method. add back the Context object's 8-parameter constructor, since someone has code that's using it. throw a low-pri warning if an expression statement is == or ===; warn that the developer may have meant an assignment (=). if window.XXXX or window"XXXX" is encountered, add XXXX (as long as it's a valid JavaScript identifier) to the known globals so subsequent references to XXXX won't throw ...???????: Monitor 2012-11-11: This is the first releasehttpclient?????????: httpclient??????? 1.0: httpclient??????? （1）?????????? （2）????????? （3）??2012-11-06??，???????。VidCoder: 1.4.5 Beta: Removed the old Advanced user interface and moved x264 preset/profile/tune there instead. The functionality is still available through editing the options string. Added ability to specify the H.264 level. Added ability to choose VidCoder's interface language. If you are interested in translating, we can get VidCoder in your language! Updated WPF text rendering to use the better Display mode. Updated HandBrake core to SVN 5045. Removed logic that forced the .m4v extension in certain ...New Projects40Fingers Page Language module for DotNetNuke: DotNetNuke module that allows you to overrule the language a specific page, without using any other localization solutions. Brought to you by 40FINGERSAnonymous Interfaces (by Stephen Cleary): A fluent API for dynamically creating an anonymous type implementing a specific interface.Asynk: Asynk is a framework/application that allows existing applications to easily be extended with an offloaded asynchronous worker layer. Asynk is developed using C#.BizTalkWCFOperationPromoteEncoder: If you seen the BizTalk error: " An action mapping was defined but BTS.Operation was not found in the Message context ", When you use the BizTalk WCF-Customer, bLaugh Plugin for Windows Live Writer: The bLaugh Plugin for Windows Live Writer provides a quick and easy way to find and insert bLaugh (www.blaugh.com) comics into a blog post.CaptureWebPage: Code Between The Lines @ http://www.codebetweenthelines.com Capture an Entire Web Page in a C# Console Application Sample application that fixes most problems.CF-Soft: this is my workspace to study C# programming.Cloud Backup Scheduler: Desktop utility to auto schedule online backups with popular cloud services. Cloud Giraffe: Cloud Giraffe is a library which provides easy collection and analysis of Windows Azure Diagnostics data.dbscript: dbscript is a simple scripting language for DBAs, devs, and others who have need to routinely deliver the results of SQL queries in Excel spreadsheet form.Drill: Drill is the Dependency Resolution and Instance Location Layer, an abstraction to DI containers, service locators and the like facilitating loose coupling.Drzewa decyzyjne WPF: Praca inzE-Commerce Gado: E commerce voltado para o mercado bovinoELearningTutorial: A list of tutorialsElmas Kitap: Kitapliginizi düzenleyebileceginiz bir program.Epi Info iOS Companion: iPad and iPhone companion for Epi Info 7.FreeBlokus: A simple version of Blokus Duo.g1: test GGCStatus: Global Gift Card by We Solve IT. Server Status ApplicationGiveGraph: Social Managed Resources Distribution SystemGlobal String Formatter: The Global String Formatter library allows developers to deal with conditional string formatting in an elegant fashion. Developers specify a predicate and a corresponding string output function for each case of the formatting. The library plays well with DI frameworks.HTWKAidStation: The HTWKAidStation shows schedules and the menu of local mensae in Leipzig, Germany.JsViewEngine - a ASP.NET View Engine using JsRender on both client and server: An ASP.NET View Engine that specializes in sharing partial views between client and server.Kexp.ShoutcastRunner: ShoutcastRunner is a quick and simple Windows service that runs the SHOUTcast DNAS 1.x mp3 server and provides some extra features. MDrive - Controlling Precision Electric Motors: This project demonstrates how to control MDrive(r) precision electric motors from Schneider Electric.MyNet Project: MyNet is an undergraduate project developed in the context of the Cloud Data Management cours at Grenoble INP.Passwords Thief: Sometimes you need to see what is behind asteriks in password edit box. It will help you to resolve this problem. Pet Shop Web: Projeto para gerenciamento de Pet Shop Desenvolvido em ASP.NET com Framework 4.0primeiros passos: aRCVersion: A smart tool to modify version information in RC file.recycling20: Recycling 2.0replaceSID: replaceSID replaces an SID in a SDDL fileshmapcha: Cool toolSMC (Social Media Connector): Social Media APIs are developed to provide Join-In Game providers to access Social Media Portal. Textline Processor: Textline processor is a utility to execute C# codes dynamically on each line of texts, and get output to replace lines in the text. treadmill project: Treadmill ProjectTriathlon Checklist: Triathlon Checklist is a Windows Phone application for triathletes. Download it for free: http://bit.ly/TriathlonChecklistwarhamer40kListBuilder: projet personnel de geston de liste d'armée pour le jeux warhammer 40.000.Wonder: WonderWP7GBAEmulator: A C# GBA Emulator For Windows Phone 7WPF Message Box: WPF Message Box is a simple and free message box for WPF using MVVM pattern. Image, buttons, message, and caption can be set.????: ??????·???????????????

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• arch openldap authentication failure

  - by nonus25

  I setup the openldap, all look fine but i cant setup authentication, #getent shadow | grep user user:*::::::: tuser:*::::::: tuser2:*::::::: #getent passwd | grep user git:!:999:999:git daemon user:/:/bin/bash user:x:10000:2000:Test User:/home/user/:/bin/zsh tuser:x:10000:2000:Test User:/home/user/:/bin/zsh tuser2:x:10002:2000:Test User:/home/tuser2/:/bin/zsh from root i can login as a one of these users #su - tuser2 su: warning: cannot change directory to /home/tuser2/: No such file or directory 10:24 tuser2@juliet:/root i cant login via ssh also passwd is not working #ldapwhoami -h 10.121.3.10 -D "uid=user,ou=People,dc=xcl,dc=ie" ldap_bind: Server is unwilling to perform (53) additional info: unauthenticated bind (DN with no password) disallowed 10:30 root@juliet:~ #ldapwhoami -h 10.121.3.10 -D "uid=user,ou=People,dc=xcl,dc=ie" -W Enter LDAP Password: ldap_bind: Invalid credentials (49) typed password by me is correct /etc/openldap/slapd.conf access to dn.base="" by * read access to dn.base="cn=Subschema" by * read access to * by self write by users read by anonymous read access to * by dn="uid=root,ou=Roles,dc=xcl,dc=ie" write by users read by anonymous auth access to attrs=userPassword,gecos,description,loginShell by self write access to attrs="userPassword" by dn="uid=root,ou=Roles,dc=xcl,dc=ie" write by anonymous auth by self write by * none access to * by dn="uid=root,ou=Roles,dc=xcl,dc=ie" write by dn="uid=achmiel,ou=People,dc=xcl,dc=ie" write by * search access to attrs=userPassword by self =w by anonymous auth access to * by self write by users read database hdb suffix "dc=xcl,dc=ie" rootdn "cn=root,dc=xcl,dc=ie" rootpw "{SSHA}AM14+..." there are some parts of that conf file /etc/openldap/ldap.conf looks : BASE dc=xcl,dc=ie URI ldap://192.168.10.156/ TLS_REQCERT allow TIMELIMIT 2 so my question is what i am missing that ldap not allow me login by using password ?

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• Would like to change audio codec, but keep video settings with ffmpeg

  - by Craig Tataryn

  I have a video for which I'd like to convert the audio codec to AAC 320 kbps / 44.100 kHz. What would I use for ffmpeg switches such that all the video settings and codec remain the same, but only the audio codec and settings change? Here's my video: $ ffmpeg -i Winnipeg.rb\ Scala-Talk.mov FFmpeg version SVN-r25375, Copyright (c) 2000-2010 the FFmpeg developers built on Oct 6 2010 13:02:41 with gcc 4.2.1 (Apple Inc. build 5664) configuration: --enable-libmp3lame --enable-shared --disable-mmx --arch=x86_64 libavutil 50.32. 2 / 50.32. 2 libavcore 0. 9. 1 / 0. 9. 1 libavcodec 52.92. 0 / 52.92. 0 libavformat 52.80. 0 / 52.80. 0 libavdevice 52. 2. 2 / 52. 2. 2 libavfilter 1.48. 0 / 1.48. 0 libswscale 0.12. 0 / 0.12. 0 Seems stream 0 codec frame rate differs from container frame rate: 2000.00 (2000/1) -> 10.00 (10/1) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Winnipeg.rb Scala-Talk.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt Duration: 01:10:53.00, start: 0.000000, bitrate: 283 kb/s Stream #0.0(eng): Video: h264, yuv420p, 800x598, 94 kb/s, 10 fps, 10 tbr, 1k tbn, 2k tbc Stream #0.1(eng): Audio: adpcm_ima_qt, 22050 Hz, 1 channels, s16 Stream #0.2(eng): Audio: adpcm_ima_qt, 22050 Hz, 1 channels, s16 At least one output file must be specified Many thanks in advance! One with with ffmpeg I've never been able to grok is how to just "tweak" files without having to regurgitate every little setting for things you don't want changes.

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• How to troubleshoot Linksys E4200 Remote Management

  - by Jordan

  My Linksys E4200 is configured for Remote Management, but the router is not accepting the connections. Here's the configuration under Administration Management Remote Management Access: Remote Management: Enabled Access via: HTTP Remote Upgrade: Disabled Allowed Remote IP Address: Any IP Address Remote Management Port: 8080 The router is setup to use 192.168.10.41 as its static Internet IP address, and 192.168.35.1 as its LAN IP address. I can access the router just fine via its LAN IP address, but I can't make a connection using http://192.168.10.41:8080. I've tried variations of the settings above (enabled HTTPS, enabled Remote Upgrade, set an IP range of 192.168.10.1-254) but nothing has worked yet. Hoping someone can at least point me in the right direction. Thanks. Update: To clarify, I have a wired router that connects straight to the T1 modem. It's configured to use 192.168.10.1-254 as its internal LAN range. The E4200 wireless router in question is on that LAN using 192.168.10.41 as its WAN IP address. The E4200's internal LAN range is 192.168.35.1-254. I'm not trying to access the E4200 from the Internet, I'm just trying to access it from its WAN IP address. Thanks.

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• iiR Hospital Digital 2011: Tras la historia digital ¿qué?

  - by Eloy M. Rodríguez

  Como el acceso a la documentación está restringido, sólo voy a comentar por encima algunos temas o planteamientos que me han llamado la atención del VI Foro Hospital Digital 2011, organizado por iiR. Y comienzo destacando la buena moderación de Maribel Grau del Hospital Clínic de Barcelona que estuvo sobria, eficaz y motivadora del debate. Me impresionó el proyecto Hospital Líquido del Hospital San Joan de Deu de Barcelona por el compromiso corporativo con una medicina colaborativa involucrando a los pacientes y a los profesionales, con unas iniciativas de eSalud y Salud2.0 avanzadas y apoyadas en un buen soporte legal, tecnológico, de los profesionales y con procesos bien definidos. Es un tema corporativo y no una prueba, como bien explicó Jorge Juan Fernández y detalló después Júlia Cutillas, cuyo rol, por cierto, es de Community Manager. En el debate salió el tema del retorno de la inversión y ese es un tema inmaduro, ya que es difícil de encontrar métricas adecuadas, pero no dudan de su continuidad ya que forma parte de una estrategia corporativa, en la que siempre hay elementos que forman parte de los costes generales y que se consideran necesarios para prestar el nivel de servicio que se desea ofrecer. Cecilia Pérez desde su posición como Jefe de Implantación de HCE en el Hospital de Móstoles hizo énfasis en la importancia de la gestión efectiva del cambio cuando se implanta un sistema de historia clínica electrónica que pasa por una inicial negación de los usarios al cambio, que luego presentan una resistencia al prinicipio para luego empezar a explorar posibilidades y llegar a un compromiso con el cambio. Santiago Borrás, Jefe de Sistemas del Hospital del Henares, partió de un hospital digital, pero eso no es más que el comienzo. Tras tres años la frustración de los profesionales es no perderse entre demasiada información. La etapa necesaria tras la digitalición es la generación y compartición del cononocimiento. Cristina Ibarrola, Directora de Atención Primaria del SNS-O comentó la experiencia de las interconsultas primaria-especializada que reducen la carga asistencial en primaria al aumentar la resolución. Hay una reserva de tiempos específicos en las agendas de los profesionales de ambos lados para garantizar una respuesta en un máximo de 48 horas. Eso ha llevado a una flexibiliazación de la agenda de los médicos de primaria que tienen un 25% más de tiempo para las consultas presenciales. Parece que aquí la opción tomada es dar más tiempo por paciente en vez de más pacientes, supongo que en parte porque la presión asistencial en Navarra tengo entendido que no es tan fuerte como en otras zonas. Alejandra Cubero comentó la experiencia de identificación de pacientes y de inteoperabilidad en Hospitales de Madrid. Ana Rosa Pulido presentó los logros del SES y su proyecto actual de Imagen Médica No Radiológica. Richard Bernat explicó la experiencia de HCE de Salud de la Mujer Dexeus, indicando que si bien no hay métricas del retorno de la inversión, sí hay una percepción del valor por las diferentes direcciones. Arturo Quesada glosó la experiencia de Jimena en el Hospital de Ávila, Joan Chafer desgranó el arduo proceso de introducción de sucesivas soluciones digitales en el Hospital Clínico San Carlos de Madrid comenzando por “Hogar Digital”, todo ello con financiación externa o recursos propios y cerró el turno de intervenciones no comerciales Pedro A. Bonal que presentó el valor de los eDocs dentro del Complejo (aplicado en sus dos acepciones de conjunto y complicado) Hospitalario de Toledo como tránsito a la HCE plenamente digital. Tweet

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• How to use crontab, .netrc, and git push?

  - by Jon

  Hi all, I am in the process of automating the backups from various servers to a central point then pushing those config changes into a git repo so i can track any changes over time. The rest of the scripts are working well, I can copy / rsync the files across the network to a central point. The last script is to get the config files to be put into / updated in repository. The script is as follows: #!/bin/bash clear SERVERNAME="betty" SCRIPTDIR="/home/jon" GITROOT="/tmp/git" TEMPROOT="/tmp/backups" BACKUPROOTDIR="/mnt/backups" echo " - running as user: $UID" echo "backingup git config on $SERVERNAME" echo "" # check to see if root backup folder exists, otherwise create it. if [ -d $GITROOT ]; then rm -rf $GITROOT fi mkdir $GITROOT cd $GITROOT echo " - testing if home is where I think it should be!" echo $HOME echo " - testing if it can see netrc" tail $HOME/.netrc git clone http://192.168.10.97:8000/repositories/HOH-config-backups.git cd HOH-config-backups echo " - copy Configuration Folders across" cp -r $BACKUPROOTDIR/Configuration/* $GITROOT/HOH-config-backups/ cp -r $BACKUPROOTDIR/scripts $GITROOT/HOH-config-backups/ git add . git commit -a -m "committing any new configuration changes!" git push origin master echo "" echo "Git repo updated" echo "" echo " - backing up this script" FIREWIGSCRIPTLOC="$BACKUPROOTDIR/scripts/$SERVERNAME" if [ ! -d $FIREWIGSCRIPTLOC ]; then mkdir $FIREWIGSCRIPTLOC fi cp /home/jon/gitConfig.sh $FIREWIGSCRIPTLOC The git repo is on a different machine in the network using Apache and HTTP-backend.exe (smart HTTP protocol). If I run this script as me "jon" it works. If I run it in crontab it fails. git uses the /home/jon/.netrc file for authentication: machine 192.168.10.97 login gitconfig password 1234579 The log from crontab is: TERM environment variable not set. - running as user: 1000 backingup git config on betty - testing if home is where I think it should be! /home/jon - testing if it can see netrc machine 192.168.10.97 login gitconfig password 1234579 got 08de5bc2b27b4940d9412256e76d5e3c3d9dbcdd walk 08de5bc2b27b4940d9412256e76d5e3c3d9dbcdd got be880f2d306778a538d592e7a02eb19f416612f7 got bd387e8def9f77aafa798bf53e80d949aba443e8 got 1bc1a59e12775841d4c59d77c63b8a73823138c2 walk bd387e8def9f77aafa798bf53e80d949aba443e8 Getting alternates list for http://192.168.10.97:8000/repositories/HOH-config-backups.git got 030512237bca72faf211e0e8ec2906164eac34f6 got 9bc2f575240bc1f61ff7d69777ce1a165d06b184 got b8400f7f01429104a9d4786a6bb1a16d293e37c1 got 2403b5bf611010e0b401f776f0e23b09ce744838 got 1a27944c48269ef3608a8f2466e43402d06faac0 got b686f45b7d57af4fa8ca0d528bb85216d6247e19 Getting pack list for http://192.168.10.97:8000/repositories/HOH-config-backups.git Getting index for pack ae881957c0f0e8c22eb6cc889a22ef78eb4ce6ff Getting pack ae881957c0f0e8c22eb6cc889a22ef78eb4ce6ff which contains ff84d6d48e9326066438d167a10251218d612b3d walk b686f45b7d57af4fa8ca0d528bb85216d6247e19 got 364e30daec17814073e668f490bb84af891fe1f7 got 23f6497e7f9b80e0d90adad73bd0407a0e5ac6ce got 9e77c47574b5e23ea669afe0c23ab235e4917ee1 got 6654e0d328a216b3783e98c47206cb2d01b3353d got 28821ffd437d2689ffb82c6e4b9c3f5372c95c4b got 8c384a24f645389e4d4b08013c79e9e73a658342 got d203be0123736ee025ce20c081f1489098648dfc got 1852603bf7709e71417d8ccec02390279d533642 got fb753a26b20b04694419fce8ecdaa8dbec105cf1 got 736028997cd84dd1c135f57e9d246674b9cd0b9d got 7af836249e20096d0476a548d5be702a071cdd4b got 240dc39d9db50df63073fc7927b2d002dfa0f54c got 93abd36e3935a01011eb753b635a1a0e984bf31e got c6269e28fecf4d8d0d98b9358aecb3acff02df44 got b0aa29432f73e64032682a351d436c24b14078ab walk 240dc39d9db50df63073fc7927b2d002dfa0f54c got 58fb66d9f35f8a5e32ff4683309c5f0c2a3a03c5 got 0da2def4de0565483cdbe6b87418ee2beb122e58 got 0f6a86c6f87ed52ad2ed01e5c6edd661d364930c got 437a93d27b5bb89c739a0564a34a616e832c3ebe got fe0385abe5c0acd8462268dac330bae00e934f1b got 24259f8f5c5c9ee974a75fe3d1e07c02e3e20fe9 got d29f624bf1a5eceedaa86c10fee35f62747c7d04 got 0154e4c987132585ea7a92b77d02dba285512d6b got eda8bf526567c25ee70addb2ad3c3c6aa57eac77 got 9f3d9d7262d66f9fa4f6a13b7c86199953f4bc4e got 8e20881e19667aa22245d0598646991067455a4d got abb1123145689b35eb19519952c71253ee45fa98 got dfeff593c79b4156ce2ce1adf043d0e80356488c got e20c5b48b1d360e0bcf34189e3f3d2bbf23e92cc got b13eb81cc274780322ecf786372320343926bec9 walk 8de83868b3fac748b0a55eba16c8f668ec852abb got b5961421bbc42afe7a07cc1c8b615aba26ba74d7 got 2650ba819019df4193b482733e29ca79b29f3f2c got b3111e1be8103e91803a97a817ed81f28025aca1 got b060be934d709684f5eb5dad3c03932a3589e864 got cf70d2043f081d7a4438e9d5a290a9f986c84060 got 80bf0f1cc836feab86d6935bb7968d8555a8d531 got da318d167920e34bc6573e4fc236249ccbbee316 got d82ac853d387b760149599e6e1ab96403f6ec672 got 0005f691d1f46550fdb4e56025f52e30a5b18cc2 Initialized empty Git repository in /tmp/git/HOH-config-backups/.git/ - copy Configuration Folders across Created commit 424df2f: committing any new configuration changes! 3 files changed, 55 insertions(+), 1 deletions(-) create mode 100755 scripts/betty/gitConfig.sh error: Cannot access URL http://192.168.10.97:8000/repositories/HOH-config-backups.git/, return code 22 error: failed to push some refs to 'http://192.168.10.97:8000/repositories/HOH-config-backups.git' Git repo updated - backing up this script cp: cannot create regular file `/mnt/backups/scripts/betty/gitConfig.sh': Permission denied my crontab is: # m h dom mon dow command 04 * * * * /home/jon/gitConfig.sh > /tmp/gitconfig.log 2>&1 I open it by doing: $crontab -e i.e. not as root. I am a bit confused as to why it is not running as my user (or what user id 1000 is). Not sure what I need to do to get the push with git to work within crontab. edit: found out about the userid: jon@betty:~$ id uid=1000(jon) gid=1000(jon) groups=4(adm),20(dialout),24(cdrom),46(plugdev),109(sambashare),114(lpadmin),115(admin),1000(jon) here is my $HOME/.gitconfig file: [user] name = Jon Hawkins email = [email protected] Thanks

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• Oracle OpenWorld 2012. Rueda de prensa de Mark Hurd: pilares de la estrategia de Oracle

  - by Fabian Gradolph

  Estamos en la segunda jornada de OpenWorld 2012. La sesión ha comenzado con la presentación de Mark Hurd, quien después de su intervención, ha ofrecido una rueda de prensa multitudinaria. Es probable que más de 80 o 90 periodistas estuviesen presentes en la sala. El presidente de Oracle nos ha presentado una muy buena síntesis sobre la estrategia de la compañía, que básicamente está basada en cuatro pilares. He aquí un breve resumen: 1. Ofrecer los mejores productos y soluciones en cada una de las capas tecnológicas. Es decir, los mejores productos de almacenamiento de información, los mejores servidores, la mejor base de datos… todos ellos basados en estándares de la industria, lo que favorece la interoperabilidad con los productos de otros fabricantes, si esa es la elección del cliente. 2. Integrar los productos desde la fase de diseño y desarrollo para ofrecer a los clientes soluciones que proporcionen un rendimiento extremo. Los mayores exponentes de esta estrategia son los Engineered Systems (sistemas de ingeniería conjunta), que incluyen productos estrella como Exadata, Exalogic, o Exalitycs. Al combinar las mejores capacidades de los productos Oracle e integrarlos verticalmente, se consiguen los siguientes beneficios. Rendimiento extremo de las soluciones tecnológicas. Por ejemplo, la última versión de Exadata, presentada ahora, ofrece una velocidad hasta 100 veces mayor que la anterior. Reducción de costes. Los sistemas integrados permiten reducir la necesidad de espacio, el tiempo de instalación e integración y los costes de mantenimiento. Su mayor rendimiento también se traduce en una menor necesidad de inversión en infraestructura. Simplificación de la gestión y el mantenimiento. Al integrar diferentes tipos de soluciones en una sola, también se simplifica la contratación de sistemas de soporte, centralizándolos en un único proveedor. 3. 3. Una propuesta completa para entornos cloud. La propuesta de Oracle incluye una cloud pública (Oracle Public Cloud), infraestructura para clouds privadas e infraestructura para sistemas híbridos. Así, la compañía ofrece Aplicaciones como Servicio (AaaS), Plataforma como servicio (PaaS) e infraestructura como servicio (IaaS). Al mismo tiempo, facilita soluciones para que las empresas construyan sus propias infraestructuras cloud. La ventaja de la propuesta de Oracle es que se utiliza la misma tecnología para la cloud pública o la privada, de forma que los clientes tengan facilidad para escoger qué aplicaciones mantendrán en un sistema público, cuáles en un sistema privado, etc. La máxima interoperabilidad permite, además, trasnferir aplicaciones de unas modalidades a otras sin problemas. 4. Aplicaciones sectoriales. Oracle está apostando fuertemente por el desarrollo de aplicaciones específicas para los diferentes sectores de actividad. Así, Oracle proporciona soluciones concretas para Banca y Finanzas, Distribución, Logística, Sector Público, Telecomunicaciones y un largo etcétera. Tras sus palabras preliminares hubo una interesante ronda de preguntas. No es posible hacer un resumen de todas ellas, pero me quedo con un mensaje que Mark ha repetido en un par de ocasiones: Oracle quiere seguir creciendo en todos los mercados en los que opera y se trata de una estrategia para crecer. Así lo esperamos todos.

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• SPARC T4-2 Produces World Record Oracle Essbase Aggregate Storage Benchmark Result

  - by Brian

  Significance of Results Oracle's SPARC T4-2 server configured with a Sun Storage F5100 Flash Array and running Oracle Solaris 10 with Oracle Database 11g has achieved exceptional performance for the Oracle Essbase Aggregate Storage Option benchmark. The benchmark has upwards of 1 billion records, 15 dimensions and millions of members. Oracle Essbase is a multi-dimensional online analytical processing (OLAP) server and is well-suited to work well with SPARC T4 servers. The SPARC T4-2 server (2 cpus) running Oracle Essbase 11.1.2.2.100 outperformed the previous published results on Oracle's SPARC Enterprise M5000 server (4 cpus) with Oracle Essbase 11.1.1.3 on Oracle Solaris 10 by 80%, 32% and 2x performance improvement on Data Loading, Default Aggregation and Usage Based Aggregation, respectively. The SPARC T4-2 server with Sun Storage F5100 Flash Array and Oracle Essbase running on Oracle Solaris 10 achieves sub-second query response times for 20,000 users in a 15 dimension database. The SPARC T4-2 server configured with Oracle Essbase was able to aggregate and store values in the database for a 15 dimension cube in 398 minutes with 16 threads and in 484 minutes with 8 threads. The Sun Storage F5100 Flash Array provides more than a 20% improvement out-of-the-box compared to a mid-size fiber channel disk array for default aggregation and user-based aggregation. The Sun Storage F5100 Flash Array with Oracle Essbase provides the best combination for large Oracle Essbase databases leveraging Oracle Solaris ZFS and taking advantage of high bandwidth for faster load and aggregation. Oracle Fusion Middleware provides a family of complete, integrated, hot pluggable and best-of-breed products known for enabling enterprise customers to create and run agile and intelligent business applications. Oracle Essbase's performance demonstrates why so many customers rely on Oracle Fusion Middleware as their foundation for innovation. Performance Landscape System Data Size(millions of items) Database Load(minutes) Default Aggregation(minutes) Usage Based Aggregation(minutes) SPARC T4-2, 2 x SPARC T4 2.85 GHz 1000 149 398* 55 Sun M5000, 4 x SPARC64 VII 2.53 GHz 1000 269 526 115 Sun M5000, 4 x SPARC64 VII 2.4 GHz 400 120 448 18 * – 398 mins with CALCPARALLEL set to 16; 484 mins with CALCPARALLEL threads set to 8 Configuration Summary Hardware Configuration: 1 x SPARC T4-2 2 x 2.85 GHz SPARC T4 processors 128 GB memory 2 x 300 GB 10000 RPM SAS internal disks Storage Configuration: 1 x Sun Storage F5100 Flash Array 40 x 24 GB flash modules SAS HBA with 2 SAS channels Data Storage Scheme Striped - RAID 0 Oracle Solaris ZFS Software Configuration: Oracle Solaris 10 8/11 Installer V 11.1.2.2.100 Oracle Essbase Client v 11.1.2.2.100 Oracle Essbase v 11.1.2.2.100 Oracle Essbase Administration services 64-bit Oracle Database 11g Release 2 (11.2.0.3) HP's Mercury Interactive QuickTest Professional 9.5.0 Benchmark Description The objective of the Oracle Essbase Aggregate Storage Option benchmark is to showcase the ability of Oracle Essbase to scale in terms of user population and data volume for large enterprise deployments. Typical administrative and end-user operations for OLAP applications were simulated to produce benchmark results. The benchmark test results include: Database Load: Time elapsed to build a database including outline and data load. Default Aggregation: Time elapsed to build aggregation. User Based Aggregation: Time elapsed of the aggregate views proposed as a result of tracked retrieval queries. Summary of the data used for this benchmark: 40 flat files, each of size 1.2 GB, 49.4 GB in total 10 million rows per file, 1 billion rows total 28 columns of data per row Database outline has 15 dimensions (five of them are attribute dimensions) Customer dimension has 13.3 million members 3 rule files Key Points and Best Practices The Sun Storage F5100 Flash Array has been used to accelerate the application performance. Setting data load threads (DLTHREADSPREPARE) to 64 and Load Buffer to 6 improved dataloading by about 9%. Factors influencing aggregation materialization performance are "Aggregate Storage Cache" and "Number of Threads" (CALCPARALLEL) for parallel view materialization. The optimal values for this workload on the SPARC T4-2 server were: Aggregate Storage Cache: 32 GB CALCPARALLEL: 16   See Also Oracle Essbase Aggregate Storage Option Benchmark on Oracle's SPARC T4-2 Server oracle.com Oracle Essbase oracle.com OTN SPARC T4-2 Server oracle.com OTN Oracle Solaris oracle.com OTN Oracle Database 11g Release 2 Enterprise Edition oracle.com OTN Disclosure Statement Copyright 2012, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Results as of 28 August 2012.

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• Handy SQL Server Functions Series (HSSFS) Part 2.0 - Prelude to Parsing Patterns Properly

  - by Most Valuable Yak (Rob Volk)

  In Part 1 of the series I wrote about 2 lesser-known and somewhat undocumented functions. In this part, I'm going to cover some familiar string functions like Substring(), Parsename(), Patindex(), and Charindex() and delve into their strengths and weaknesses. I'm also splitting this part up into sub-parts to help focus on a particular technique and/or problem with the technique, hence the Part 2.0. Consider this a composite post, or com-post, if you will. (It may just turn out to be a pile of sh_t after all) I'll be using a contrived example, perhaps the most frustratingly useful, or usefully frustrating, function in SQL Server: @@VERSION. Contrived, because there are better ways to get the information (which I'll cover later); frustrating, because of the way Microsoft formatted the value; and useful because it does have 1 or 2 bits of information not found elsewhere. First let's take a look at the output of @@VERSION: Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (Intel X86) Apr 2 2010 15:53:02 Copyright (c) Microsoft Corporation Developer Edition on Windows NT 5.1 <X86> (Build 2600: Service Pack 3) There are 4 lines, with lines 2-4 indented with a tab character.  In case your browser (or this blog software) doesn't show it correctly, I gave each line a different color.  While this PRINTs nicely, if you SELECT @@VERSION in grid mode it all runs together because it ignores carriage return/line feed (CR/LF) characters.  Not fatal, but annoying. Note that @@VERSION's output will vary depending on edition and version of SQL Server, and also the OS it's installed on.  Despite the differences, the output is laid out the same way and the relevant pieces are in the same order. I'll be using the following view for Parts 2.1 onward, so we have a nice collection of @@VERSION information: create view version(SQLVersion,VersionString) AS ( select 2000, 'Microsoft SQL Server 2000 - 8.00.2055 (Intel X86) Dec 16 2008 19:46:53 Copyright (c) 1988-2003 Microsoft Corporation Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)' union all select 2005, 'Microsoft SQL Server 2005 - 9.00.4053.00 (Intel X86) May 26 2009 14:24:20 Copyright (c) 1988-2005 Microsoft Corporation Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)' union all select 2008, 'Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (Intel X86) Apr 2 2010 15:53:02 Copyright (c) Microsoft Corporation Developer Edition on Windows NT 5.1 <X86> (Build 2600: Service Pack 3)' union all select 2005, 'Microsoft SQL Server 2005 - 9.00.3080.00 (Intel X86) Sep 6 2009 01:43:32 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition on Windows NT 5.2 (Build 3790: Service Pack 2)' union all select 2008, 'Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (X64) Apr 2 2010 15:48:46 Copyright (c) Microsoft Corporation Developer Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: ) (Hypervisor)' union all select 2008, 'Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (X64) Apr 2 2010 15:48:46 Copyright (c) Microsoft Corporation Express Edition with Advanced Services (64-bit) on Windows NT 6.1 <X64> (Build 7600: ) (Hypervisor)' ) Feel free to add your own @@VERSION info if it's not already there. In Part 2.1 I'll focus on extracting the SQL Server version number (10.50.1600.1 in first example) and the Edition (Developer), but will have a solution that works with all versions.  Stay tuned!

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• Cocos2d Box2d how to shoot an object inside the screen

  - by Ahoura Ghotbi

  I have the code below : - (id) initWithGame:(mainGame*)game { if ((self = [super init])) { isTouchEnabled_ = YES; self.game = game; CGSize size = [[CCDirector sharedDirector] winSize]; screenH = size.height; screenW = size.width; character = [CCSprite spriteWithFile:@"o.png"]; character.position = ccp( size.width /2 , size.height/2 ); character.contentSize = CGSizeMake(72, 79); [self addChild:character z:10 tag:1]; _body = NULL; _radius = 14.0f; // Create ball body and shape b2BodyDef ballBodyDef; ballBodyDef.type = b2_dynamicBody; ballBodyDef.position.Set(100/PTM_RATIO, 100/PTM_RATIO); ballBodyDef.userData = character; _body = _game.world->CreateBody(&ballBodyDef); b2CircleShape circle; circle.m_radius = 26.0/PTM_RATIO; b2FixtureDef ballShapeDef; ballShapeDef.shape = &circle; ballShapeDef.density = 1.0f; ballShapeDef.friction = 0.2f; ballShapeDef.restitution = 0.8f; _body->CreateFixture(&ballShapeDef); [self schedule:@selector(gameChecker:)]; [self schedule:@selector(tick:)]; } return self; } - (void)gameChecker:(ccTime) dt{ if(character.position.y > 200){ [self unschedule:@selector(tick:)]; [self schedule:@selector(dropObject:)]; } } - (void)tick:(ccTime) dt { b2Vec2 force; force.Set(_body->GetLinearVelocity().x, _body->GetLinearVelocity().y+1.0f); for (b2Body* b = _game.world->GetBodyList(); b; b = b->GetNext()) { if (b->GetUserData() == character) { b->SetLinearVelocity(force); } } _game.world->Step(dt, 10, 10); for(b2Body *b = _game.world->GetBodyList(); b; b=b->GetNext()) { if (b->GetUserData() != NULL) { CCSprite *ballData = (CCSprite *)b->GetUserData(); ballData.position = ccp(b->GetPosition().x * PTM_RATIO, b->GetPosition().y * PTM_RATIO); ballData.rotation = -1 * CC_RADIANS_TO_DEGREES(b->GetAngle()); } } } -(void)dropObject:(ccTime) dt{ b2Vec2 force; force.Set(_body->GetLinearVelocity().x, _body->GetLinearVelocity().y-1.0f); for (b2Body* b = _game.world->GetBodyList(); b; b = b->GetNext()) { if (b->GetUserData() == character) { b->SetLinearVelocity(force); } } _game.world->Step(dt, 10, 10); for(b2Body *b = _game.world->GetBodyList(); b; b=b->GetNext()) { if (b->GetUserData() != NULL) { CCSprite *ballData = (CCSprite *)b->GetUserData(); ballData.position = ccp(b->GetPosition().x * PTM_RATIO, b->GetPosition().y * PTM_RATIO); ballData.rotation = -1 * CC_RADIANS_TO_DEGREES(b->GetAngle()); } } } I have been trying to get the effect that fruit ninja has when shooting the fruits. but it seems like its hard to get such animation so I was wondering if anyone can point me to the right direction and/or give me a sample code for a single object that gets thrown into the screen with a direction.

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• Move a sphere along the swipe?

  - by gameOne

  I am trying to get a sphere curl based on the swipe. I know this has been asked many times, but still it's yearning to be answered. I have managed to add force on the direction of the swipe and it works near perfect. I also have all the swipe positions stored in a list. Now I would like to know how can the curl be achieved. I believe the the curve in the swipe can be calculated by the Vector dot product If theta is 0, then there is no need to add the swipe. If it is not, then add the curl. Maybe this condition is redundant if I managed to find how to curl the sphere along the swipe position The code that adds the force to sphere based on the swipe direction is as below: using UnityEngine; using System.Collections; using System.Collections.Generic; public class SwipeControl : MonoBehaviour { //First establish some variables private Vector3 fp; //First finger position private Vector3 lp; //Last finger position private Vector3 ip; //some intermediate finger position private float dragDistance; //Distance needed for a swipe to register public float power; private Vector3 footballPos; private bool canShoot = true; private float factor = 40f; private List<Vector3> touchPositions = new List<Vector3>(); void Start(){ dragDistance = Screen.height*20/100; Physics.gravity = new Vector3(0, -20, 0); footballPos = transform.position; } // Update is called once per frame void Update() { //Examine the touch inputs foreach (Touch touch in Input.touches) { /*if (touch.phase == TouchPhase.Began) { fp = touch.position; lp = touch.position; }*/ if (touch.phase == TouchPhase.Moved) { touchPositions.Add(touch.position); } if (touch.phase == TouchPhase.Ended) { fp = touchPositions[0]; lp = touchPositions[touchPositions.Count-1]; ip = touchPositions[touchPositions.Count/2]; //First check if it's actually a drag if (Mathf.Abs(lp.x - fp.x) > dragDistance || Mathf.Abs(lp.y - fp.y) > dragDistance) { //It's a drag //Now check what direction the drag was //First check which axis if (Mathf.Abs(lp.x - fp.x) > Mathf.Abs(lp.y - fp.y)) { //If the horizontal movement is greater than the vertical movement... if ((lp.x>fp.x) && canShoot) //If the movement was to the right) { //Right move float x = (lp.x - fp.x) / Screen.height * factor; rigidbody.AddForce((new Vector3(x,10,16))*power); Debug.Log("right "+(lp.x-fp.x));//MOVE RIGHT CODE HERE canShoot = false; //rigidbody.AddForce((new Vector3((lp.x-fp.x)/30,10,16))*power); StartCoroutine(ReturnBall()); } else { //Left move float x = (lp.x - fp.x) / Screen.height * factor; rigidbody.AddForce((new Vector3(x,10,16))*power); Debug.Log("left "+(lp.x-fp.x));//MOVE LEFT CODE HERE canShoot = false; //rigidbody.AddForce(new Vector3((lp.x-fp.x)/30,10,16)*power); StartCoroutine(ReturnBall()); } } else { //the vertical movement is greater than the horizontal movement if (lp.y>fp.y) //If the movement was up { //Up move float y = (lp.y-fp.y)/Screen.height*factor; float x = (lp.x - fp.x) / Screen.height * factor; rigidbody.AddForce((new Vector3(x,y,16))*power); Debug.Log("up "+(lp.x-fp.x));//MOVE UP CODE HERE canShoot = false; //rigidbody.AddForce(new Vector3((lp.x-fp.x)/30,10,16)*power); StartCoroutine(ReturnBall()); } else { //Down move Debug.Log("down "+lp+" "+fp);//MOVE DOWN CODE HERE } } } else { //It's a tap Debug.Log("none");//TAP CODE HERE } } } } IEnumerator ReturnBall() { yield return new WaitForSeconds(5.0f); rigidbody.velocity = Vector3.zero; rigidbody.angularVelocity = Vector3.zero; transform.position = footballPos; canShoot =true; isKicked = false; } }

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• Ajax Autocomplete Extender

  - by Jason Ulloa

  El objetivo de este post es preparar un ejemplo sobre un tema que es planteado muy frecuentemente en los Foros de MSDN, como realizar un Autocomplete contra una base de datos. Qué requerimos? Antes de poder realizar un Autocomplete debemos tener en cuenta los elementos principales que requerimos para poder hacerlo funcionar, descritos de la siguiente manera: 1. Textbox: Nuestro grandioso amigo Textbox, que será donde el usuario ingresará los datos a buscar. 2. Un Webservice: que contendrá el método que se conectara a la base de datos y devolverá una lista con la información encontrada. 3. Ajax Autocomplete Extender: este es por decirlo así, el elemento más importante. Nos servirá como medio de enlace entre el webservice que expone el método y el textbox recuperando y mostrando los datos en forma de lista desplegable. La implementación Si bien parecierá complicado, crear un autocomplete extender es bastante sencillo. Empezaremos creando un nuevo sitio asp.net, en este sitio agregaremos un textbox y dos controles muy importantes de Ajax el ToolkitScriptManager para controlar el rende rizado de los script de ajax y el AutocompleteExtender que, como mencione anteriormente, será el medio de enlace. Antes de mostrar como quedará el código de lo anterior, explicaré algunas propiedades del AutocompleteExtender para que se entienda de mejor manera: 1. El ServicePath: contiene la ruta relativa al webservice que utilizaremos. 2. MinimumPrefixLength: se refiere al número de caracteres que deben ser digitados antes de iniciar la búsqueda. 3. ServiceMethod: el nombre del metodo de nuestro webservice que se encargará de devolver los datos. 4. EnableCaching: para mantener en cache los datos consultados, obteniendo mayor velocidad. 5. TargetControlID: una de las propiedades más importantes, acá se coloca el nombre del textbox al cual se unirá el Autocomplete 6. CompletionInterval: tiempo que debe transcurrir antes de iniciar con el trabajo de los datos. Una vez, explicadas las propiedades básicas, veamos como queda implementada la primer parte de nuestro autocomplete: <form id="form1" runat="server"> <div> <asp:ToolkitScriptManager ID="manager" runat="server" /> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" ServicePath="WebService.asmx" MinimumPrefixLength="1" ServiceMethod="PersonasInfo " EnableCaching="true" TargetControlID="TextBox1" UseContextKey="True" CompletionSetCount="10" CompletionInterval="0"> </asp:AutoCompleteExtender> </div> </form>   Ahora que nuestro código html está completo, es hora de trabajar directamente con nuestro webservice, este deberá contener un método que devuelva una lista o arreglo de datos, los cuales por supuesto, serán traídos desde la base de datos. Antes de implementar este método, debemos asegurarnos de que nuestra clase del webservice tiene habilitados los espacios para ser utilizada [System.Web.Script.Services.ScriptService()] [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class WebService : System.Web.Services.WebService {}   Ahora si, nuestro metodo principal [WebMethod()] [System.Web.Script.Services.ScriptMethod()] public string[] PersonasInfo(string prefixText, int count) { string connstring = ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString;   using (SqlConnection conn = new SqlConnection(connstring)) { SqlCommand comando = new SqlCommand("select nombre from personas where nombre LIKE '%' + @param + '%' ", conn); comando.Parameters.AddWithValue("@param", prefixText); SqlDataReader dr = default(SqlDataReader); comando.Connection.Open(); dr = comando.ExecuteReader(); List<string> items = new List<string>();   while (dr.Read()) { items.Add(dr["nombre"].ToString()); } comando.Connection.Close(); return items.ToArray(); } }   Del método anterior no explicaré en profundidad, pues es bastante sencillo. Una consulta a la base de datos utilizando un datareader y devolviendo los datos en una lista como arreglo. Lo más importante serían las 2 primeras líneas [WebMethod()] y el [ScriptMethod()] las cuales habilitan nuestro método para poder ser accedido y utilizado. Por último, el código de ejemplo en C# (VB Autcomplete):

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• Exploring TCP throughput with DTrace

  - by user12820842

  One key measure to use when assessing TCP throughput is assessing the amount of unacknowledged data in the pipe. This is sometimes termed the Bandwidth Delay Product (BDP) (note that BDP is often used more generally as the product of the link capacity and the end-to-end delay). In DTrace terms, the amount of unacknowledged data in bytes for the connection is the different between the next sequence number to send and the lowest unacknoweldged sequence number (tcps_snxt - tcps_suna). According to the theory, when the number of unacknowledged bytes for the connection is less than the receive window of the peer, the path bandwidth is the limiting factor for throughput. In other words, if we can fill the pipe without the peer TCP complaining (by virtue of its window size reaching 0), we are purely bandwidth-limited. If the peer's receive window is too small however, the sending TCP has to wait for acknowledgements before it can send more data. In this case the round-trip time (RTT) limits throughput. In such cases the effective throughput limit is the window size divided by the RTT, e.g. if the window size is 64K and the RTT is 0.5sec, the throughput is 128K/s. So a neat way to visually determine if the receive window of clients may be too small should be to compare the distribution of BDP values for the server versus the client's advertised receive window. If the BDP distribution overlaps the send window distribution such that it is to the right (or lower down in DTrace since quantizations are displayed vertically), it indicates that the amount of unacknowledged data regularly exceeds the client's receive window, so that it is possible that the sender may have more data to send but is blocked by a zero-window on the client side. In the following example, we compare the distribution of BDP values to the receive window advertised by the receiver (10.175.96.92) for a large file download via http. # dtrace -s tcp_tput.d ^C BDP(bytes) 10.175.96.92 80 value ------------- Distribution ------------- count -1 | 0 0 | 6 1 | 0 2 | 0 4 | 0 8 | 0 16 | 0 32 | 0 64 | 0 128 | 0 256 | 3 512 | 0 1024 | 0 2048 | 9 4096 | 14 8192 | 27 16384 | 67 32768 |@@ 1464 65536 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 32396 131072 | 0 SWND(bytes) 10.175.96.92 80 value ------------- Distribution ------------- count 16384 | 0 32768 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 17067 65536 | 0 Here we have a puzzle. We can see that the receiver's advertised window is in the 32768-65535 range, while the amount of unacknowledged data in the pipe is largely in the 65536-131071 range. What's going on here? Surely in a case like this we should see zero-window events, since the amount of data in the pipe regularly exceeds the window size of the receiver. We can see that we don't see any zero-window events since the SWND distribution displays no 0 values - it stays within the 32768-65535 range. The explanation is straightforward enough. TCP Window scaling is in operation for this connection - the Window Scale TCP option is used on connection setup to allow a connection to advertise (and have advertised to it) a window greater than 65536 bytes. In this case the scaling shift is 1, so this explains why the SWND values are clustered in the 32768-65535 range rather than the 65536-131071 range - the SWND value needs to be multiplied by two since the reciever is also scaling its window by a shift factor of 1. Here's the simple script that compares BDP and SWND distributions, fixed to take account of window scaling. #!/usr/sbin/dtrace -s #pragma D option quiet tcp:::send / (args[4]-tcp_flags & (TH_SYN|TH_RST|TH_FIN)) == 0 / { @bdp["BDP(bytes)", args[2]-ip_daddr, args[4]-tcp_sport] = quantize(args[3]-tcps_snxt - args[3]-tcps_suna); } tcp:::receive / (args[4]-tcp_flags & (TH_SYN|TH_RST|TH_FIN)) == 0 / { @swnd["SWND(bytes)", args[2]-ip_saddr, args[4]-tcp_dport] = quantize((args[4]-tcp_window)*(1 tcps_snd_ws)); } And here's the fixed output. # dtrace -s tcp_tput_scaled.d ^C BDP(bytes) 10.175.96.92 80 value ------------- Distribution ------------- count -1 | 0 0 | 39 1 | 0 2 | 0 4 | 0 8 | 0 16 | 0 32 | 0 64 | 0 128 | 0 256 | 3 512 | 0 1024 | 0 2048 | 4 4096 | 9 8192 | 22 16384 | 37 32768 |@ 99 65536 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 3858 131072 | 0 SWND(bytes) 10.175.96.92 80 value ------------- Distribution ------------- count 512 | 0 1024 | 1 2048 | 0 4096 | 2 8192 | 4 16384 | 7 32768 | 14 65536 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 1956 131072 | 0

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• ????????????????? Oracle Solaris ??? - Solaris 11 ????

  - by kazun

  ???????????????? OS ????????????????????? 20 ??????????????????? Solaris?????????????????????? OS????????????????????????Solaris ???????????????????? ??????Solaris ?????????????? 4 ????????????????????? Oracle Solaris 11 ??????????????? [????????????]???? ?(????????????? ???)???? ?(??????????????)???? ?(????????)???? ?(?????????????????)(50??) Oracle Solaris 11 ??????? ???:Oracle Solaris 11??????? Solaris ??????????????????????????????????????????????Oracle Solaris 10 ?????????????????Oracle Solaris 11 ???Oracle Solaris ???????????????????????????????????????????????????????????????????????????????????Oracle Solaris ??????????????????????????Oracle Solaris ????????????????????????????????????????? ??:??????????????????????????????????????????????????????????????????????????????????Oracle Solaris 11 ????????????????????????????????????????????????????????????????????????????????????????????????Oracle Solaris 11 ????????????? ???:Oracle Solaris 11 ????????????????????????????????????????????????????????????Oracle Solaris ??????????????????????Solaris ????????????????????????Oracle Solaris 11 ?????????????????????????????????????????????????????????????????????? Oracle Solaris 11 ??????????????? ??:???????????????????ZFS?????????????Oracle Solaris ???????????????????????????????????????IPS???????????????????????? ??:?????????????????????? OS ??????????????????????????????????????????????????????????????????? OS ????? Oracle Solaris 11 ??? ??:????????????????????????????????????????????????? Oracle Solaris 11 ???????????????????????????????????????????????????????? ??:????????????????????Solaris Trusted Extensions ? Solaris ????????????Privilege ????????????????????????????????Solaris 10 ???????????????????? ??:UNIX ?????????????????????????????????????Oracle Solaris 11 ??????????????????????????????????????????????????ZFS ??????????????????????????????????????????????????Oracle Solaris ?????????????????????????????????? ???:Oracle Solaris ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Oracle Solaris 11 ??????????????????????????????????????????????????? ?????????????Oracle Solaris 11 ??:Oracle Solaris ?????????????????????????????????????????????????????????????????? ZFS ?????????????????????????????????????????????? ??:?????????????????????????????????????????????????????????????????????Oracle Solaris ??????????????????????? ??:DTrace ????????????????????????????????????????????????????????????? ??:???????????????????????????????????????????????????????????????????????????????????????? ???:?????????????????????????????????????????????????????????????????????????Solaris ???????????????????????????????????????????????????????????????????????????? ??:?????????????????? Solaris 10 ?????????????????????????????????????? ???:ISV ??????????????????????????????? ????????????????? T4 ??????????????? T ?????? 5 ???????????????????????????????????? CPU ?????????????????? OS ? Solaris ??????????????????????????????????????????????? ??:???????????????? OS ???? Solaris ???????????????????????????????????????????????????? Oracle Solaris ????????? ??:???????????????????????????????????????????????????????????????????????????????????????? ZFS ?????????????????????????ZFS ??????????????????????????????????????? ???:Linux ??????????????????????????Solaris 11 ?????????????????????? GNU ????????????????????????????Solaris ?????????(Oracle Solaris Studio)????????????? Oracle Solaris Studio ?Linux??????????????Linux ??????????? Solaris ????????????????Linux ? Oracle Solaris Studio ?????????????????????????? Solaris ??????????????????? ??:??????????????????????????????????????????????????????????????????????????????????????????????????????????????????BCP(??????)??????????????????? ??:???????? Solaris 11 ?????? IA Server ?????????????????????????????????????????????…???????????Windows ????????????????????? Oracle Virtual Box ????????? Oracle Solaris 11 ??????????? ??:???Oracle Solaris ????????(?)??????????????ZFS???DTrace?????????????????????????????????????Solaris ?????????????????????????????????????????????????????????????????????????????Solaris ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??:??? 3 ??????????????????????????????????????Oracle Solaris 11 ???????????? ??:???????????????????? OS ??????????????????????????Oracle Solaris 11 ???????????????????????????????????????????????????????????????? ???:???????????? Solaris ???????????????Solaris 10 ???? 6 ??????????????????????????????????Oracle Solaris ?????????????????????????????? ?????? Oracle Solaris 10 Oracle Solaris 11

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• How to find and fix issue with Pound and HAProxy

  - by javano

  Pound sits in front of HAProxy (on the same box) to perform SSL off-load. Requests are passed to 127.0.0.1:80 where HAProxy then balances the requests across backend servers for a hosted ASP .NET web app. A user is getting HTTP error 500 (Internal Server Error) returned to their browser this morning and I can see it is comming from Pound. They see no log entry in their web app (IIS) server logs, so its not hitting the back end servers. I think the problem is possibly with HAProxy. Lets review the logs: Initialy the users (1.2.3.4) hits Pound on the load balancer: Nov 12 10:02:24 lb1 pound: a-website.com 1.2.3.4 - - [12/Nov/2012:10:02:23 +0000] "POST /eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d HTTP/1.1" 200 155721 "https://a-website.com/eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d" "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.96 Safari/537.4" Nov 12 10:02:24 lb1 pound: a-website.com 1.2.3.4 - - [12/Nov/2012:10:02:24 +0000] "GET /Controls/ReferringOrganisationLogoImageHandler.ashx HTTP/1.1" 200 142 "https://a-website.com/eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d" "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.96 Safari/537.4" Nov 12 10:02:24 lb1 pound: a-website.com 1.2.3.4 - - [12/Nov/2012:10:02:24 +0000] "GET /eventmanagement/WebCoreModule.ashx?__ac=1&__ac_wcmid=RAWCIL&__ac_lib=Radactive.WebControls.ILoad&__ac_key=RAWVCO_11&__ac_sid=fnoz2hmvirfivb2btbubbw45&__ac_cn=&__ac_cp=BVDXDWFLDWFMHDFJBOEGBDFLFOD5EEFD&__ac_fr=634883113445054092&__ac_ssid= HTTP/1.1" 200 11206 "https://a-website.com/eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d" "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.96 Safari/537.4" Nov 12 10:02:24 lb1 pound: a-website.com 1.2.3.4 - - [12/Nov/2012:10:02:24 +0000] "GET /eventmanagement/WebCoreModule.ashx?__ac=1&__ac_wcmid=RAWCIL&__ac_lib=Radactive.WebControls.ILoad&__ac_key=RAWCCIL_11&__ac_sid=fnoz2hmvirfivb2btbubbw45&__ac_cn=&__ac_cp=BVDXDWFLDWFMHDFJBOEGBDFLFOD5EEFD&__ac_fr=634883113445054092 HTTP/1.1" 200 43496 "https://a-website.com/eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d" "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.96 Safari/537.4" Nov 12 10:02:42 lb1 pound: (7f819fff8700) e500 for 1.2.3.4 response error read from 127.0.0.1:80/POST /eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d HTTP/1.1: Connection timed out (15.121 secs) Above we can see the request comming in from the user at IP address 1.2.3.4, eventually Pound returns error 500 with the message "Connection timed out (15.121 secs)". Running HAProxy in debug mode, we can see the request come in; user@box:/var/log$ sudo /etc/init.d/haproxy restart Restarting haproxy: haproxy[WARNING] 316/100042 (19218) : <debug> mode incompatible with <quiet> and <daemon>. Keeping <debug> only. Available polling systems : sepoll : pref=400, test result OK epoll : pref=300, test result OK poll : pref=200, test result OK select : pref=150, test result OK Total: 4 (4 usable), will use sepoll. Using sepoll() as the polling mechanism. ....... 00000008:iis-servers.srvrep[0008:0009]: HTTP/1.1 200 OK 00000008:iis-servers.srvhdr[0008:0009]: Cache-Control: private 00000008:iis-servers.srvhdr[0008:0009]: Pragma: no-cache 00000008:iis-servers.srvhdr[0008:0009]: Content-Length: 22211 00000008:iis-servers.srvhdr[0008:0009]: Content-Type: text/plain; charset=utf-8 00000008:iis-servers.srvhdr[0008:0009]: Server: Microsoft-IIS/7.0 00000008:iis-servers.srvhdr[0008:0009]: X-AspNet-Version: 2.0.50727 00000008:iis-servers.srvhdr[0008:0009]: X-Powered-By: ASP.NET 00000008:iis-servers.srvhdr[0008:0009]: Date: Mon, 12 Nov 2012 10:01:25 GMT 00000009:iis-servers.accept(0004)=000a from [127.0.0.1:53556] 00000009:iis-servers.clireq[000a:ffff]: GET /Logoff.aspx HTTP/1.1 00000009:iis-servers.clihdr[000a:ffff]: Host: a-website.com 00000009:iis-servers.clihdr[000a:ffff]: Connection: keep-alive 00000009:iis-servers.clihdr[000a:ffff]: User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.96 Safari/537.4 00000009:iis-servers.clihdr[000a:ffff]: Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 00000009:iis-servers.clihdr[000a:ffff]: Referer: https://a-website.com/eventmanagement/eventmanagement.aspx 00000009:iis-servers.clihdr[000a:ffff]: Accept-Encoding: gzip,deflate,sdch 00000009:iis-servers.clihdr[000a:ffff]: Accept-Language: en-GB,en;q=0.8,it;q=0.6 00000009:iis-servers.clihdr[000a:ffff]: Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 00000009:iis-servers.clihdr[000a:ffff]: Cookie: ASP.NET_SessionId=fnoz2hmvirfivb2btbubbw45; apps=apps2; AuthHint=true; __utma=190546871.552451749.1340295610.1352454675.1352711624.159; __utmb=190546871.2.10.1352711624; __utmc=190546871; __utmz=190546871.1349966519.143.3.utmcsr=en.wikipedia.org|utmccn=(referral)|utmcmd=referral|utmcct=/wiki/Single_transferable_vote; Sequence=162; SessionId=80e603f9-7e73-474b-8b7c-e198b2f11218; SecureSessionId=00000000-0000-0000-0000-000000000000; __utma=58336506.1016936529.1332752550.1352454680.1352711626.456; __utmb=58336506.28.10.1352711626; __utmc=58336506; __utmz=58336506.1352711626.456.155.utmcsr=a-website.com|utmccn=(referral)|utmcmd=referral|utmcct=/ 00000009:iis-servers.clihdr[000a:ffff]: X-SSL-cipher: RC4-SHA SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=SHA1 00000009:iis-servers.clihdr[000a:ffff]: X-Forwarded-For: 1.2.3.4 00000008:iis-servers.srvcls[0008:0009] 00000008:iis-servers.clicls[0008:0009] 00000008:iis-servers.closed[0008:0009] ....... 0000000e:iis-servers.srvrep[0008:0009]: HTTP/1.1 200 OK 0000000e:iis-servers.srvhdr[0008:0009]: Cache-Control: no-cache 0000000e:iis-servers.srvhdr[0008:0009]: Pragma: no-cache 0000000e:iis-servers.srvhdr[0008:0009]: Content-Length: 12805 0000000e:iis-servers.srvhdr[0008:0009]: Content-Type: text/html; charset=utf-8 0000000e:iis-servers.srvhdr[0008:0009]: Server: Microsoft-IIS/7.0 0000000e:iis-servers.srvhdr[0008:0009]: X-AspNet-Version: 2.0.50727 0000000e:iis-servers.srvhdr[0008:0009]: X-Powered-By: ASP.NET 0000000e:iis-servers.srvhdr[0008:0009]: Date: Mon, 12 Nov 2012 10:02:22 GMT 0000000f:iis-servers.accept(0004)=000c from [127.0.0.1:53609] 0000000f:iis-servers.clireq[000c:ffff]: GET /Controls/ReferringOrganisationLogoImageHandler.ashx HTTP/1.1 0000000f:iis-servers.clihdr[000c:ffff]: Host: a-website.com 0000000f:iis-servers.clihdr[000c:ffff]: Connection: keep-alive 0000000f:iis-servers.clihdr[000c:ffff]: User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.96 Safari/537.4 0000000f:iis-servers.clihdr[000c:ffff]: Accept: */* 0000000f:iis-servers.clihdr[000c:ffff]: Referer: https://a-website.com/eventmanagement/EditEvent.aspx?eventOid=623fc423-2329-4cab-8be5-72a97709570d 0000000f:iis-servers.clihdr[000c:ffff]: Accept-Encoding: gzip,deflate,sdch 0000000f:iis-servers.clihdr[000c:ffff]: Accept-Language: en-GB,en;q=0.8,it;q=0.6 0000000f:iis-servers.clihdr[000c:ffff]: Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 0000000f:iis-servers.clihdr[000c:ffff]: Cookie: ASP.NET_SessionId=fnoz2hmvirfivb2btbubbw45; apps=apps2; __utma=190546871.552451749.1340295610.1352454675.1352711624.159; __utmb=190546871.2.10.1352711624; __utmc=190546871; __utmz=190546871.1349966519.143.3.utmcsr=en.wikipedia.org|utmccn=(referral)|utmcmd=referral|utmcct=/wiki/Single_transferable_vote; AuthHint=true; __utma=58336506.1016936529.1332752550.1352454680.1352711626.456; __utmb=58336506.33.10.1352711626; __utmc=58336506; __utmz=58336506.1352711626.456.155.utmcsr=a-website.com|utmccn=(referral)|utmcmd=referral|utmcct=/; SessionId=69cd415c-2f4e-4ace-b8f7-926d054f87c2; SecureSessionId=00000000-0000-0000-0000-000000000000; Sequence=170 0000000f:iis-servers.clihdr[000c:ffff]: X-SSL-cipher: RC4-SHA SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=SHA1 0000000f:iis-servers.clihdr[000c:ffff]: X-Forwarded-For: 1.2.3.4 0000000f:iis-servers.srvrep[000c:000d]: HTTP/1.1 200 OK 0000000f:iis-servers.srvhdr[000c:000d]: Cache-Control: private 0000000f:iis-servers.srvhdr[000c:000d]: Content-Length: 142 0000000f:iis-servers.srvhdr[000c:000d]: Content-Type: image/png 0000000f:iis-servers.srvhdr[000c:000d]: Server: Microsoft-IIS/7.0 0000000f:iis-servers.srvhdr[000c:000d]: X-AspNet-Version: 2.0.50727 0000000f:iis-servers.srvhdr[000c:000d]: Set-Cookie: SessionId=69cd415c-2f4e-4ace-b8f7-926d054f87c2; path=/ 0000000f:iis-servers.srvhdr[000c:000d]: Set-Cookie: SecureSessionId=00000000-0000-0000-0000-000000000000; path=/; secure 0000000f:iis-servers.srvhdr[000c:000d]: X-Powered-By: ASP.NET 0000000f:iis-servers.srvhdr[000c:000d]: Date: Mon, 12 Nov 2012 10:02:25 GMT 0000000e:iis-servers.srvcls[0008:0009] 0000000e:iis-servers.clicls[0008:0009] 0000000e:iis-servers.closed[0008:0009] 0000000f:iis-servers.srvcls[000c:000d] 0000000f:iis-servers.clicls[000c:000d] 0000000f:iis-servers.closed[000c:000d] 00000009:iis-servers.srvcls[000a:000b] 00000009:iis-servers.clicls[000a:000b] 00000009:iis-servers.closed[000a:000b] Where in the chain is the issue here?

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• NFS issue brings down entire vSphere ESX estate

  - by growse

  I experienced an odd issue this morning where an NFS issue appeared to have taken down the majority of my VMs hosted on a small vSphere 5.0 estate. The infrastructure itself is 4x IBM HS21 blades running around 20 VMs. The storage is provided by a single HP X1600 array with attached D2700 chassis running Solaris 11. There's a couple of storage pools on this which are exposed over NFS for the storage of the VM files, and some iSCSI LUNs for things like MSCS shared disks. Normally, this is pretty stable, but I appreciate the lack of resiliancy in having a single X1600 doing all the storage. This morning, in the logs of each ESX host, at around 0521 GMT I saw a lot of entries like this: 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4cf9a8 3 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4dc9e8 3 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4d3fa8 3 2011-11-30T05:21:54.161Z cpu2:2050)NFSLock: 608: Stop accessing fd 0x41000a4de0a8 3 [....] 2011-11-30T06:16:07.042Z cpu0:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:17:01.459Z cpu2:4011)NFS: 292: Restored connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:25:17.887Z cpu3:2051)NFSLock: 608: Stop accessing fd 0x41000a4c2b28 3 2011-11-30T06:27:16.063Z cpu3:4011)NFSLock: 568: Start accessing fd 0x41000a4d8928 again 2011-11-30T06:35:30.827Z cpu1:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /tank/ISO, mounted as 5acdbb3e-410e56e3-0000-000000000000 ("ISO (1)") 2011-11-30T06:36:37.953Z cpu6:2054)NFS: 292: Restored connection to the server 10.13.111.197 mount point /tank/ISO, mounted as 5acdbb3e-410e56e3-0000-000000000000 ("ISO (1)") 2011-11-30T06:40:08.242Z cpu6:2054)NFSLock: 608: Stop accessing fd 0x41000a4c3e68 3 2011-11-30T06:40:34.647Z cpu3:2051)NFSLock: 568: Start accessing fd 0x41000a4d8928 again 2011-11-30T06:44:42.663Z cpu1:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:44:53.973Z cpu0:4011)NFS: 292: Restored connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:51:28.296Z cpu5:2058)NFSLock: 608: Stop accessing fd 0x41000ae3c528 3 2011-11-30T06:51:44.024Z cpu4:2052)NFSLock: 568: Start accessing fd 0x41000ae3b8e8 again 2011-11-30T06:56:30.758Z cpu4:2058)WARNING: NFS: 283: Lost connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T06:56:53.389Z cpu7:2055)NFS: 292: Restored connection to the server 10.13.111.197 mount point /sastank/VMStorage, mounted as f0342e1c-19be66b5-0000-000000000000 ("SAStank") 2011-11-30T07:01:50.350Z cpu6:2054)ScsiDeviceIO: 2316: Cmd(0x41240072bc80) 0x12, CmdSN 0x9803 to dev "naa.600508e000000000505c16815a36c50d" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x5 0x24 0x0. 2011-11-30T07:03:48.449Z cpu3:2051)NFSLock: 608: Stop accessing fd 0x41000ae46b68 3 2011-11-30T07:03:57.318Z cpu4:4009)NFSLock: 568: Start accessing fd 0x41000ae48228 again (I've put a complete dump from one of the hosts on pastebin: http://pastebin.com/Vn60wgTt) When I got in the office at 9am, I saw various failures and alarms and troubleshooted the issue. It turned out that pretty much all of the VMs were inaccessible, and that the ESX hosts either were describing each VM as 'powered off', 'powered on', or 'unavailable'. The VMs described as 'powered on' where not in any way reachable or responding to pings, so this may be lies. There's absolutely no indication on the X1600 that anything was awry, and nothing on the switches to indicate any loss of connectivity. I only managed to resolve the issue by rebooting the ESX hosts in turn. I have a number of questions: What the hell happened? If this was a temporary NFS failure, why did it put the ESX hosts into a state from which a reboot was the only recovery? In the future, when the NFS server goes a little off-piste, what would be the best approach to add some resilience? I've been looking at budgeting for next year and potentially have budget to purchase another X1600/D2700/disks, would an identical mirrored disk setup help to mitigate these sorts of failures automatically? Edit (Added requested details) To expand with some details as requested: The X1600 has 12x 1TB disks lumped together in mirrored pairs as tank, and the D2700 (connected with a mini SAS cable) has 12x 300GB 10k SAS disks lumped together in mirrored pairs as sastank zpool status pool: rpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM rpool ONLINE 0 0 0 c7t0d0s0 ONLINE 0 0 0 errors: No known data errors pool: sastank state: ONLINE scan: scrub repaired 0 in 74h21m with 0 errors on Wed Nov 30 02:51:58 2011 config: NAME STATE READ WRITE CKSUM sastank ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 c7t14d0 ONLINE 0 0 0 c7t15d0 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 c7t16d0 ONLINE 0 0 0 c7t17d0 ONLINE 0 0 0 mirror-2 ONLINE 0 0 0 c7t18d0 ONLINE 0 0 0 c7t19d0 ONLINE 0 0 0 mirror-3 ONLINE 0 0 0 c7t20d0 ONLINE 0 0 0 c7t21d0 ONLINE 0 0 0 mirror-4 ONLINE 0 0 0 c7t22d0 ONLINE 0 0 0 c7t23d0 ONLINE 0 0 0 mirror-5 ONLINE 0 0 0 c7t24d0 ONLINE 0 0 0 c7t25d0 ONLINE 0 0 0 errors: No known data errors pool: tank state: ONLINE scan: scrub repaired 0 in 17h28m with 0 errors on Mon Nov 28 17:58:19 2011 config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 c7t1d0 ONLINE 0 0 0 c7t2d0 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 c7t3d0 ONLINE 0 0 0 c7t4d0 ONLINE 0 0 0 mirror-2 ONLINE 0 0 0 c7t5d0 ONLINE 0 0 0 c7t6d0 ONLINE 0 0 0 mirror-3 ONLINE 0 0 0 c7t8d0 ONLINE 0 0 0 c7t9d0 ONLINE 0 0 0 mirror-4 ONLINE 0 0 0 c7t10d0 ONLINE 0 0 0 c7t11d0 ONLINE 0 0 0 mirror-5 ONLINE 0 0 0 c7t12d0 ONLINE 0 0 0 c7t13d0 ONLINE 0 0 0 errors: No known data errors The filesystem exposed over NFS for the primary datastore is sastank/VMStorage zfs list NAME USED AVAIL REFER MOUNTPOINT rpool 45.1G 13.4G 92.5K /rpool rpool/ROOT 2.28G 13.4G 31K legacy rpool/ROOT/solaris 2.28G 13.4G 2.19G / rpool/dump 15.0G 13.4G 15.0G - rpool/export 11.9G 13.4G 32K /export rpool/export/home 11.9G 13.4G 32K /export/home rpool/export/home/andrew 11.9G 13.4G 11.9G /export/home/andrew rpool/swap 15.9G 29.2G 123M - sastank 1.08T 536G 33K /sastank sastank/VMStorage 1.01T 536G 1.01T /sastank/VMStorage sastank/comstar 71.7G 536G 31K /sastank/comstar sastank/comstar/sql_tempdb 6.31G 536G 6.31G - sastank/comstar/sql_tx_data 65.4G 536G 65.4G - tank 4.79T 578G 42K /tank tank/FTP 269G 578G 269G /tank/FTP tank/ISO 28.8G 578G 25.9G /tank/ISO tank/backupstage 2.64T 578G 2.49T /tank/backupstage tank/cifs 301G 578G 297G /tank/cifs tank/comstar 1.54T 578G 31K /tank/comstar tank/comstar/msdtc 1.07G 579G 32.8M - tank/comstar/quorum 577M 578G 47.9M - tank/comstar/sqldata 1.54T 886G 304G - tank/comstar/vsphere_lun 2.09G 580G 22.2M - tank/mcs-asset-repository 7.01M 578G 6.99M /tank/mcs-asset-repository tank/mscs-quorum 55K 578G 36K /tank/mscs-quorum tank/sccm 16.1G 578G 12.8G /tank/sccm As for the networking, all connections between the X1600, the Blades and the switch are either LACP or Etherchannel bonded 2x 1Gbit links. Switch is a single Cisco 3750. Storage traffic sits on its own VLAN segregated from VM machine traffic.

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• Use DivX settings to encode to mp4 with ffmpeg

  - by sjngm

  I'm used to use VirtualDub to encode a video to AVI container with DivX-codec (and MP3 for audio). Now I'm planning to use ffmpeg to encode videos to MP4 container with h264-codec. What I've figured out is that I need to use libx264 and one of those presets to make anything work. However, I'm amazed about the video bitrate ffmpeg uses for encoding. What I currently have is this little batch file: @ECHO OFF SETLOCAL SET IN=source.avs SET FFMPEG_PATH=C:\Program Files (x86)\ffmpeg SET PRESET=-fpre "%FFMPEG_PATH%\presets\libx264-lossless_slow.ffpreset" SET AUDIO=-acodec libmp3lame -ab 128000 SET VIDEO=-vcodec libx264 -vb 1978000 "%FFMPEG_PATH%\ffmpeg.exe" -i %IN% %AUDIO% %VIDEO% %PRESET% test.mp4 ENDLOCAL With this I tell ffmpeg to use 1978k as the bitrate, but ffmpeg uses 15000k+! I tried other presets, but they don't use my specified bitrate. Here are the presets I have: libx264-baseline.ffpreset libx264-ipod320.ffpreset libx264-ipod640.ffpreset libx264-lossless_fast.ffpreset libx264-lossless_max.ffpreset libx264-lossless_medium.ffpreset libx264-lossless_slow.ffpreset libx264-lossless_slower.ffpreset libx264-lossless_ultrafast.ffpreset ffmpeg version: FFmpeg git-N-29181-ga304071 libavutil 50. 40. 1 / 50. 40. 1 libavcodec 52.120. 0 / 52.120. 0 libavformat 52.108. 0 / 52.108. 0 libavdevice 52. 4. 0 / 52. 4. 0 libavfilter 1. 79. 0 / 1. 79. 0 libswscale 0. 13. 0 / 0. 13. 0 Note that I don't use the latest version as it has problems with spaces in filenames. Here's what seems to be the full parameter list DivX 6.9.2 uses: -bvnn 1978000 -vbv 218691200,100663296,100663296 -dir "C:\Users\sjngm\AppData\Roaming\DivX\DivX Codec" -w -b 1 -use_presets=1 -preset=10 -windowed_fullsearch=2 -thread_delay=1 What command line parameters would that be for ffmpeg? EDIT: Going with slhck's suggestion I tried a new 32-bit version. I have no idea if that is 0.9 or newer, I can't find that info. ffmpeg version N-36890-g67f5650 libavutil 51. 34.100 / 51. 34.100 libavcodec 53. 56.105 / 53. 56.105 libavformat 53. 30.100 / 53. 30.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 59.100 / 2. 59.100 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 6.100 / 0. 6.100 libpostproc 51. 2.100 / 51. 2.100 I reworked my batch file to look like this (interestingly enough I can't find parameter -vprofile in the documentation): @ECHO OFF SETLOCAL SET IN=VTS_01_1.avs SET FFMPEG_PATH=C:\Program Files (x86)\ffmpeg SET PRESET=-vprofile high -preset veryslow SET AUDIO=-acodec libmp3lame -ab 128000 SET VIDEO=-vcodec libx264 -vb 1978000 "%FFMPEG_PATH%\ffmpeg.exe" -i %IN% %AUDIO% %PRESET% %VIDEO% test.mp4 ENDLOCAL I see that it now uses the bitrate properly (thanks to LongNeckbeard for pointing out that the lossless-stuff ignores the bitrate!). Just in case you wonder how I came up with the 1978000, I'm using this formula which I found valid for DivX-files (I'm guessing the bitrate won't change that much for h264): width * height * 25 * 0.22 / 1000 I'm not sure if the 0.22 correlates with the CRF somehow. Overall I forgot to say the I will use a two-pass scenario, which is why I don't use the CRF here. I will try to read more about this. Currently I'm just trying to get something running that shows me that I'm doing something right (ffmpeg isn't the easiest tool to understand ;)). C:\Program Files (x86)\ffmpeg\ffmpeg.exe" -i VTS_01_1.avs -acodec libmp3lame -ab 128000 -vcodec libx264 -vb 1978000 -vprofile high -preset veryslow test.mp4 The output is now: ffmpeg version N-36890-g67f5650 Copyright (c) 2000-2012 the FFmpeg developers built on Jan 16 2012 21:57:13 with gcc 4.6.2 configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib libavutil 51. 34.100 / 51. 34.100 libavcodec 53. 56.105 / 53. 56.105 libavformat 53. 30.100 / 53. 30.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 59.100 / 2. 59.100 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 6.100 / 0. 6.100 libpostproc 51. 2.100 / 51. 2.100 Input #0, avs, from 'VTS_01_1.avs': Duration: 00:58:46.12, start: 0.000000, bitrate: 0 kb/s Stream #0:0: Video: rawvideo (YV12 / 0x32315659), yuv420p, 576x448, 77414 kb/s, 25 tbr, 25 tbn, 25 tbc Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2 channels, s16, 1536 kb/s File 'test.mp4' already exists. Overwrite ? [y/N] y w:576 h:448 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param: [libx264 @ 05A2C400] using cpu capabilities: MMX2 SSE2Fast FastShuffle SSEMisalign LZCNT [libx264 @ 05A2C400] profile High, level 3.1 [libx264 @ 05A2C400] 264 - core 120 r2120 0c7dab9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=60 rc=abr mbtree=1 bitrate=1978 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, mp4, to 'test.mp4': Metadata: encoder : Lavf53.30.100 Stream #0:0: Video: h264 (![0][0][0] / 0x0021), yuv420p, 576x448, q=-1--1, 1978 kb/s, 25 tbn, 25 tbc Stream #0:1: Audio: mp3 (i[0][0][0] / 0x0069), 48000 Hz, 2 channels, s16, 128 kb/s Stream mapping: Stream #0:0 -> #0:0 (rawvideo -> libx264) Stream #0:1 -> #0:1 (pcm_s16le -> libmp3lame) Press [q] to stop, [?] for help frame= 0 fps= 0 q=0.0 size= 0kB time=00:00:00.00 bitrate= 0.0kbits/s frame= 0 fps= 0 q=0.0 size= 0kB time=00:00:00.00 bitrate= 0.0kbits/s frame= 0 fps= 0 q=0.0 size= 0kB time=00:00:00.00 bitrate= 0.0kbits/s frame= 3 fps= 1 q=22.0 size= 39kB time=00:00:00.04 bitrate=8063.8kbits/ frame= 8 fps= 2 q=22.0 size= 82kB time=00:00:00.24 bitrate=2801.3kbits/ frame= 13 fps= 3 q=23.0 size= 120kB time=00:00:00.44 bitrate=2229.5kbits/ frame= 16 fps= 4 q=23.0 size= 147kB time=00:00:00.56 bitrate=2156.7kbits/ frame= 20 fps= 4 q=22.0 size= 175kB time=00:00:00.72 bitrate=1987.4kbits/ : video:4387kB audio:273kB global headers:0kB muxing overhead 0.260038% [libx264 @ 05A2C400] frame I:2 Avg QP:19.53 size: 29850 [libx264 @ 05A2C400] frame P:76 Avg QP:22.24 size: 19541 [libx264 @ 05A2C400] frame B:359 Avg QP:25.93 size: 8210 [libx264 @ 05A2C400] consecutive B-frames: 0.5% 0.5% 0.0% 8.2% 17.2% 52.2% 16.0% 5.5% 0.0% [libx264 @ 05A2C400] mb I I16..4: 5.4% 75.3% 19.3% [libx264 @ 05A2C400] mb P I16..4: 1.3% 16.5% 2.2% P16..4: 36.3% 28.6% 12.7% 1.8% 0.2% skip: 0.4% [libx264 @ 05A2C400] mb B I16..4: 0.4% 3.8% 0.3% B16..8: 40.0% 18.4% 4.7% direct:18.5% skip:13.9% L0:45.4% L1:38.1% BI:16.5% [libx264 @ 05A2C400] final ratefactor: 20.35 [libx264 @ 05A2C400] 8x8 transform intra:83.1% inter:68.5% [libx264 @ 05A2C400] direct mvs spatial:99.2% temporal:0.8% [libx264 @ 05A2C400] coded y,uvDC,uvAC intra: 64.9% 83.4% 49.2% inter: 49.0% 50.4% 4.4% [libx264 @ 05A2C400] i16 v,h,dc,p: 25% 22% 27% 26% [libx264 @ 05A2C400] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 7% 23% 9% 10% 10% 10%10% 13% [libx264 @ 05A2C400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 11% 13% 9% 12% 11% 10% 9% 12% [libx264 @ 05A2C400] i8c dc,h,v,p: 42% 28% 16% 14% [libx264 @ 05A2C400] Weighted P-Frames: Y:18.4% UV:7.9% [libx264 @ 05A2C400] ref P L0: 29.1% 11.3% 15.7% 7.3% 6.9% 4.9% 5.1% 3.4%3.9% 2.7% 2.8% 1.8% 1.7% 1.2% 1.4% 0.9% [libx264 @ 05A2C400] ref B L0: 68.8% 11.4% 5.5% 2.9% 2.3% 1.9% 1.5% 1.1%1.1% 1.0% 0.9% 0.7% 0.5% 0.3% 0.1% [libx264 @ 05A2C400] ref B L1: 91.9% 8.1% [libx264 @ 05A2C400] kb/s:2055.88 As far as I'm concerned it doesn't look that bad to me.

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• SQL IO and SAN troubles

  - by James

  We are running two servers with identical software setup but different hardware. The first one is a VM on VMWare on a normal tower server with dual core xeons, 16 GB RAM and a 7200 RPM drive. The second one is a VM on XenServer on a powerful brand new rack server, with 4 core xeons and shared storage. We are running Dynamics AX 2012 and SQL Server 2008 R2. When I insert 15 000 records into a table on the slow tower server (as a test), it does so in 13 seconds. On the fast server it takes 33 seconds. I re-ran these tests several times with the same results. I have a feeling it is some sort of IO bottleneck, so I ran SQLIO on both. Here are the results for the slow tower server: C:\Program Files (x86)\SQLIO>test.bat C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -frandom -b8 -BH -LS C:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads writing for 120 secs to file C:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 226.97 MBs/sec: 1.77 latency metrics: Min_Latency(ms): 0 Avg_Latency(ms): 281 Max_Latency(ms): 467 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 99 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -frandom -b8 -BH -LS C:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads reading for 120 secs from file C:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 91.34 MBs/sec: 0.71 latency metrics: Min_Latency(ms): 14 Avg_Latency(ms): 699 Max_Latency(ms): 1124 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -fsequential -b64 -BH -LS C :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads writing for 120 secs to file C:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1094.50 MBs/sec: 68.40 latency metrics: Min_Latency(ms): 0 Avg_Latency(ms): 58 Max_Latency(ms): 467 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -fsequential -b64 -BH -LS C :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 14318180 counts per second 8 threads reading for 120 secs from file C:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: C:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1155.31 MBs/sec: 72.20 latency metrics: Min_Latency(ms): 17 Avg_Latency(ms): 55 Max_Latency(ms): 205 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 Here are the results of the fast rack server: C:\Program Files (x86)\SQLIO>test.bat C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -frandom -b8 -BH -LS E:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file E:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for write): The system cannot find the pa th specified. exiting C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -frandom -b8 -BH -LS E:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file E:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for read): The system cannot find the pat h specified. exiting C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -fsequential -b64 -BH -LS E :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file E:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for write): The system cannot find the pa th specified. exiting C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -fsequential -b64 -BH -LS E :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file E:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) open_file: CreateFile (E:\TestFile.dat for read): The system cannot find the pat h specified. exiting C:\Program Files (x86)\SQLIO>test.bat C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -frandom -b8 -BH -LS c:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file c:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 2575.77 MBs/sec: 20.12 latency metrics: Min_Latency(ms): 1 Avg_Latency(ms): 24 Max_Latency(ms): 655 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 5 8 9 9 9 8 5 3 1 1 1 1 0 0 0 0 0 0 0 0 0 37 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -frandom -b8 -BH -LS c:\Tes tFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file c:\TestFile.dat using 8KB random IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1141.39 MBs/sec: 8.91 latency metrics: Min_Latency(ms): 1 Avg_Latency(ms): 55 Max_Latency(ms): 652 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 91 C:\Program Files (x86)\SQLIO>sqlio -kW -t8 -s120 -o8 -fsequential -b64 -BH -LS c :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads writing for 120 secs to file c:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 341.37 MBs/sec: 21.33 latency metrics: Min_Latency(ms): 5 Avg_Latency(ms): 186 Max_Latency(ms): 120037 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 C:\Program Files (x86)\SQLIO>sqlio -kR -t8 -s120 -o8 -fsequential -b64 -BH -LS c :\TestFile.dat sqlio v1.5.SG using system counter for latency timings, 62500000 counts per second 8 threads reading for 120 secs from file c:\TestFile.dat using 64KB sequential IOs enabling multiple I/Os per thread with 8 outstanding buffering set to use hardware disk cache (but not file cache) using current size: 5120 MB for file: c:\TestFile.dat initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1024.07 MBs/sec: 64.00 latency metrics: Min_Latency(ms): 5 Avg_Latency(ms): 61 Max_Latency(ms): 81632 histogram: ms: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24+ %: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 Three of the four tests are, to my mind, within reasonable parameters for the rack server. However, the 64 write test is incredibly slow on the rack server. (68 mb/sec on the slow tower vs 21 mb/s on the rack). The read speed for 64k also seems slow. Is this enough to say there is some sort of bottleneck with the shared storage? I need to know if I can take this evidence and say we need to launch an investigation into this. Any help is appreciated.

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• How to reduce iOS AVPlayer start delay

  - by Bernt Habermeier

  Note, for the below question: All assets are local on the device -- no network streaming is taking place. The videos contain audio tracks. I'm working on an iOS application that requires playing video files with minimum delay to start the video clip in question. Unfortunately we do not know what specific video clip is next until we actually need to start it up. Specifically: When one video clip is playing, we will know what the next set of (roughly) 10 video clips are, but we don't know which one exactly, until it comes time to 'immediately' play the next clip. What I've done to look at actual start delays is to call addBoundaryTimeObserverForTimes on the video player, with a time period of one millisecond to see when the video actually started to play, and I take the difference of that time stamp with the first place in the code that indicates which asset to start playing. From what I've seen thus-far, I have found that using the combination of AVAsset loading, and then creating an AVPlayerItem from that once it's ready, and then waiting for AVPlayerStatusReadyToPlay before I call play, tends to take between 1 and 3 seconds to start the clip. I've since switched to what I think is roughly equivalent: calling [AVPlayerItem playerItemWithURL:] and waiting for AVPlayerItemStatusReadyToPlay to play. Roughly same performance. One thing I'm observing is that the first AVPlayer item load is slower than the rest. Seems one idea is to pre-flight the AVPlayer with a short / empty asset before trying to play the first video might be of good general practice. [http://stackoverflow.com/questions/900461/slow-start-for-avaudioplayer-the-first-time-a-sound-is-played] I'd love to get the video start times down as much as possible, and have some ideas of things to experiment with, but would like some guidance from anyone that might be able to help. Update: idea 7, below, as-implemented yields switching times of around 500 ms. This is an improvement, but it it'd be nice to get this even faster. Idea 1: Use N AVPlayers (won't work) Using ~ 10 AVPPlayer objects and start-and-pause all ~ 10 clips, and once we know which one we really need, switch to, and un-pause the correct AVPlayer, and start all over again for the next cycle. I don't think this works, because I've read there is roughly a limit of 4 active AVPlayer's in iOS. There was someone asking about this on StackOverflow here, and found out about the 4 AVPlayer limit: fast-switching-between-videos-using-avfoundation Idea 2: Use AVQueuePlayer (won't work) I don't believe that shoving 10 AVPlayerItems into an AVQueuePlayer would pre-load them all for seamless start. AVQueuePlayer is a queue, and I think it really only makes the next video in the queue ready for immediate playback. I don't know which one out of ~10 videos we do want to play back, until it's time to start that one. ios-avplayer-video-preloading Idea 3: Load, Play, and retain AVPlayerItems in background (not 100% sure yet -- but not looking good) I'm looking at if there is any benefit to load and play the first second of each video clip in the background (suppress video and audio output), and keep a reference to each AVPlayerItem, and when we know which item needs to be played for real, swap that one in, and swap the background AVPlayer with the active one. Rinse and Repeat. The theory would be that recently played AVPlayer/AVPlayerItem's may still hold some prepared resources which would make subsequent playback faster. So far, I have not seen benefits from this, but I might not have the AVPlayerLayer setup correctly for the background. I doubt this will really improve things from what I've seen. Idea 4: Use a different file format -- maybe one that is faster to load? I'm currently using .m4v's (video-MPEG4) H.264 format. I have not played around with other formats, but it may well be that some formats are faster to decode / get ready than others. Possible still using video-MPEG4 but with a different codec, or maybe quicktime? Maybe a lossless video format where decoding / setup is faster? Idea 5: Combination of lossless video format + AVQueuePlayer If there is a video format that is fast to load, but maybe where the file size is insane, one idea might be to pre-prepare the first 10 seconds of each video clip with a version that is boated but faster to load, but back that up with an asset that is encoded in H.264. Use an AVQueuePlayer, and add the first 10 seconds in the uncompressed file format, and follow that up with one that is in H.264 which gets up to 10 seconds of prepare/preload time. So I'd get 'the best' of both worlds: fast start times, but also benefits from a more compact format. Idea 6: Use a non-standard AVPlayer / write my own / use someone else's Given my needs, maybe I can't use AVPlayer, but have to resort to AVAssetReader, and decode the first few seconds (possibly write raw file to disk), and when it comes to playback, make use of the raw format to play it back fast. Seems like a huge project to me, and if I go about it in a naive way, it's unclear / unlikely to even work better. Each decoded and uncompressed video frame is 2.25 MB. Naively speaking -- if we go with ~ 30 fps for the video, I'd end up with ~60 MB/s read-from-disk requirement, which is probably impossible / pushing it. Obviously we'd have to do some level of image compression (perhaps native openGL/es compression formats via PVRTC)... but that's kind crazy. Maybe there is a library out there that I can use? Idea 7: Combine everything into a single movie asset, and seekToTime One idea that might be easier than some of the above, is to combine everything into a single movie, and use seekToTime. The thing is that we'd be jumping all around the place. Essentially random access into the movie. I think this may actually work out okay: avplayer-movie-playing-lag-in-ios5 Which approach do you think would be best? So far, I've not made that much progress in terms of reducing the lag.

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• Problem with TimeZoneInfo.ConvertTime: missed the Daylight Saving switch.

  - by SirMoreno

  My web app runs on .Net 3.5, all of the dates are saved on the DB in UTC time (not in user time). When I want to display a date I convert it to user date (from UTC) //Get the current datetime of the user exp: GMT TO ISRAEL +2 public static DateTime GetUserDateTime(DateTime dateUTC) { string userTzId = "Israel Standard Time"; TimeZoneInfo userTZ = TimeZoneInfo.FindSystemTimeZoneById(userTzId); dateUTC = DateTime.SpecifyKind(dateUTC, DateTimeKind.Utc); DateTime ret = TimeZoneInfo.ConvertTime(dateUTC, TimeZoneInfo.Utc, userTZ); return ret; } Until now it worked fine but I have users from Israel (GMT +2), and Israel switched to Daylight saving time on 26/3/10 so now it's (GMT +3). For some reason the TimeZoneInfo.ConvertTime don't know the Daylight saving time switch is on 26/3/10 so it still converts to GMT +2. The strange thing is that on localhost it works fine, I set up a test page: DateTime userdate = GetUserDateTime(DateTime.UtcNow); string str2 = "UserDateTime = " + userdate.ToString("dd/MM/yy") + " " + userdate.ToString("HH:mm"); On the Server (windows 2003 set to UTC time) it shows the wrong time (+2): UserDateTime = 27/03/10 21:38 On localhost (windows XP set to Israel Time) it shows the correct time (+3): UserDateTime = 27/03/10 22:38 How can I update the TimeZoneInfo that the Daylight saving time switch in Israel was on the 26/3/10? Thanks.

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• Mixed surrogate composite key insert in JPA 2.0, PostgreSQL and Hibernate 3.5

  - by Gerald

  First off, we are using JPA 2.0 and Hibernate 3.5 as persistence provider on a PostgreSQL database. We successfully use the sequence of the database via the JPA 2.0 annotations as an auto-generated value for single-field-surrogate-keys and all works fine. Now we are implementing a bi-temporal database-scheme that requires a mixed key in the following manner: Table 1: id (pk, integer, auto-generated-sequence) validTimeBegin (pk, dateTime) validTimeEnd (dateTime) firstName (varChar) Now we have a problem. You see, if we INSERT a new element, the field id is auto-generated and that's fine. Only, if we want to UPDATE the field within this scheme, then we have to change the validTimeBegin column WITHOUT changing the id-field and insert it as a new row like so: BEFORE THE UPDATE OF THE ROW: |---|-------------------------|-------------------------|-------------------| | id| validTimeBegin | validTimeEnd | firstName | |---|-------------------------|-------------------------|-------------------| | 1| 2010-05-01-10:00:00.000 | NULL | Gerald | |---|-------------------------|-------------------------|-------------------| AFTER THE UPDATE OF THE ROW happening at exactly 2010-05-01-10:35:01.788 server-time: (we update the person with the id:1 to reflect his new first name...) |---|-------------------------|-------------------------|-------------------| | id| validTimeBegin | validTimeEnd | firstName | |---|-------------------------|-------------------------|-------------------| | 1| 2010-05-01-10:00:00.000 | 2010-05-01-10:35:01.788 | Gerald | |---|-------------------------|-------------------------|-------------------| | 1| 2010-05-01-10:35:01.788 | NULL | Jerry | |---|-------------------------|-------------------------|-------------------| So our problem is, that this doesn't work at all using an auto-generated-sequence for the field id because when inserting a new row then the id ALWAYS is auto-generated although it really is part of a composite key which should sometimes behave differently. So my question is: Is there a way to tell hibernate via JPA to stop auto-generating the id-field in the case I want to generate a new variety of the same person and go on as usual in every other case or do I have to take over the whole id-generation with custom code? Thanks in advance, Gerald

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• Write-error on swap-device, Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK

  - by Jan

  My root server at 1&1 was unresponsive on HTTP and SSH, so I logged into the serial console . It flooded my connection with endless error messages like quoted below. I initiated a reboot and now everything seems to work properly. After googling, I installed smartctl and ran a short self test, which told me the device was healthy. Is this likely a disk failure soon to happen or could it be just some program going wild? I assume, the swap device could also grow full when huge amounts of memory get consumed by a buggy program? How can I find out for sure? The sever was already unresponsive a week ago when I just restarted it without proper investigation. The server is running on CentOS. Write-error on swap-device (8:16:8351055) Write-error on swap-device (8:16:8351063) Write-error on swap-device (8:16:8351071) Write-error on swap-device (8:16:8351079) Write-error on swap-device (8:16:8351087) Write-error on swap-device (8:16:8351095) Write-error on swap-device (8:16:8351103) Write-error on swap-device (8:16:8351111) Write-error on swap-device (8:16:8351119) Write-error on swap-device (8:16:8351127) Write-error on swap-device (8:16:8351135) Write-error on swap-device (8:16:8351143) Write-error on swap-device (8:16:8351151) Write-error on swap-device (8:16:8351159) Write-error on swap-device (8:16:8351167) Write-error on swap-device (8:16:8351175) Write-error on swap-device (8:16:8351183) Write-error on swap-device (8:16:8351191) sd 1:0:0:0: [sdb] Unhandled error code sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 00 9c 00 ef 00 00 08 00 end_request: I/O error, dev sdb, sector 10223855 Write-error on swap-device (8:16:10223863) sd 1:0:0:0: [sdb] Unhandled error code sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 00 9c 0e 97 00 00 10 00 end_request: I/O error, dev sdb, sector 10227351 Write-error on swap-device (8:16:10227359) Write-error on swap-device (8:16:10227367) sd 1:0:0:0: [sdb] Unhandled error code sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 00 9c b0 1f 00 00 10 00 end_request: I/O error, dev sdb, sector 10268703 Write-error on swap-device (8:16:10268711) Write-error on swap-device (8:16:10268719) sd 1:0:0:0: [sdb] Unhandled error code sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 00 a0 84 7f 00 00 08 00 end_request: I/O error, dev sdb, sector 10519679 Write-error on swap-device (8:16:10519687) sd 1:0:0:0: [sdb] Unhandled error code sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 00 a7 26 af 00 04 00 00 end_request: I/O error, dev sdb, sector 10954415 Write-error on swap-device (8:16:10954423) Write-error on swap-device (8:16:10954431) Write-error on swap-device (8:16:10954439) Write-error on swap-device (8:16:10954447) Write-error on swap-device (8:16:10954455) Write-error on swap-device (8:16:10954463) Write-error on swap-device (8:16:10954471) Write-error on swap-device (8:16:10954479) Write-error on swap-device (8:16:10954487) Write-error on swap-device (8:16:10954495) Write-error on swap-device (8:16:10954503) Write-error on swap-device (8:16:10954511) Write-error on swap-device (8:16:10954519) Write-error on swap-device (8:16:10954527) Write-error on swap-device (8:16:10954535) Write-error on swap-device (8:16:10954543) Write-error on swap-device (8:16:10954551) Write-error on swap-device (8:16:10954559) Write-error on swap-device (8:16:10954567) Write-error on swap-device (8:16:10954575) Write-error on swap-device (8:16:10954583) Write-error on swap-device (8:16:10954591) Write-error on swap-device (8:16:10954599) Write-error on swap-device (8:16:10954607) Write-error on swap-device (8:16:10954615) Write-error on swap-device (8:16:10954623) Write-error on swap-device (8:16:10954631) Write-error on swap-device (8:16:10954639) Write-error on swap-device (8:16:10954647) Write-error on swap-device (8:16:10954655) Write-error on swap-device (8:16:10954663) Write-error on swap-device (8:16:10954671) Write-error on swap-device (8:16:10954679) Write-error on swap-device (8:16:10954687) Write-error on swap-device (8:16:10954695) Write-error on swap-device (8:16:10954703) Write-error on swap-device (8:16:10954711) Write-error on swap-device (8:16:10954719) Write-error on swap-device (8:16:10954727) Write-error on swap-device (8:16:10954735) Write-error on swap-device (8:16:10954743) Write-error on swap-device (8:16:10954751) Write-error on swap-device (8:16:10954759) Write-error on swap-device (8:16:10954767) Write-error on swap-device (8:16:10954775) Write-error on swap-device (8:16:10954783) Write-error on swap-device (8:16:10954791) Write-error on swap-device (8:16:10954799) Write-error on swap-device (8:16:10954807) Write-error on swap-device (8:16:10954815) Write-error on swap-device (8:16:10954823) Write-error on swap-device (8:16:10954831) Write-error on swap-device (8:16:10954839) Write-error on swap-device (8:16:10954847) Write-error on swap-device (8:16:10954855) Write-error on swap-device (8:16:10954863) Write-error on swap-device (8:16:10954871) Write-error on swap-device (8:16:10954879) Write-error on swap-device (8:16:10954887) Write-error on swap-device (8:16:10954895) Write-error on swap-device (8:16:10954903) Write-error on swap-device (8:16:10954911) Write-error on swap-device (8:16:10954919) Write-error on swap-device (8:16:10954927) Write-error on swap-device (8:16:10954935) Write-error on swap-device (8:16:10954943) Write-error on swap-device (8:16:10954951) Write-error on swap-device (8:16:10954959) Write-error on swap-device (8:16:10954967) Write-error on swap-device (8:16:10954975) Write-error on swap-device (8:16:10954983) Write-error on swap-device (8:16:10954991) Write-error on swap-device (8:16:10954999) Write-error on swap-device (8:16:10955007) Write-error on swap-device (8:16:10955015) Write-error on swap-device (8:16:10955023) Write-error on swap-device (8:16:10955031) Write-error on swap-device (8:16:10955039) Write-error on swap-device (8:16:10955047) Write-error on swap-device (8:16:10955055) Write-error on swap-device (8:16:10955063) Write-error on swap-device (8:16:10955071) Write-error on swap-device (8:16:10955079) Write-error on swap-device (8:16:10955087) Write-error on swap-device (8:16:10955095) Write-error on swap-device (8:16:10955103) Write-error on swap-device (8:16:10955111) Write-error on swap-device (8:16:10955119) Write-error on swap-device (8:16:10955127) Write-error on swap-device (8:16:10955135) Write-error on swap-device (8:16:10955143) Write-error on swap-device (8:16:10955151) Write-error on swap-device (8:16:10955159) Write-error on swap-device (8:16:10955167) Write-error on swap-device (8:16:10955175) Write-error on swap-device (8:16:10955183)

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• Numerology with Python And Django

  - by Asinox

  Hi guys, i have a function that give me the result that im expecting in console mode, but if i try to use the function with Django, the page never load and just have a loop calculating and never end. Any idea ? *sorry with my english Console function (WORK GREAT): def sum_digitos(n): sum = 0; while n != 0: sum += n % 10 n /= 10 if sum > 9: x = str(sum) y =list(x) sum = int(y[0]) + int(y[1]) return sum print sum_digitos(2461978) Django views: def Calcular(request): if request.method == 'POST': form = NumerologiaForm(request.POST) if form.is_valid(): sum = 0; ano = str(request.POST['fecha_year']) mes = str(request.POST['fecha_month']) dia = str(request.POST['fecha_day']) data = dia + mes + ano fecha = int(data) while fecha != 0: f = fecha sum += f % 10 f /= 10 if sum > 9: x = str(sum) y =list(x) sum = int(y[0]) + int(y[1]) resultado = get_object_or_404(Numero,numero = sum) return HttpResponseRedirect(resultado.get_absolute_url()) else: form = NumerologiaForm() return render_to_response('numerologiaForm.html',{'form':form})

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• Please give the solution of the following programs in R Programming

  - by NEETHU

  Table below gives data concerning the performance of 28 national football league teams in 1976.It is suspected that the no. of yards gained rushing by opponents(x8) has an effect on the no. of games won by a team(y) (a)Fit a simple linear regression model relating games won by y to yards gained rushing by opponents x8. (b)Construct the analysis of variance table and test for significance of regression. (c)Find a 95% CI on the slope. (d)What percent of the total variability in y is explained by this model. (e)Find a 95% CI on the mean number of games won in opponents yards rushing is limited to 2000 yards. Team y x8 1 10 2205 2 11 2096 3 11 1847 4 13 1803 5 10 1457 6 11 1848 7 10 1564 8 11 1821 9 4 2577 10 2 2476 11 7 1984 12 10 1917 13 9 1761 14 9 1709 15 6 1901 16 5 2288 17 5 2072 18 5 2861 19 6 2411 20 4 2289 21 3 2203 22 3 2592 23 4 2053 24 10 1979 25 6 2048 26 8 1786 27 2 2876 28 0 2560 Suppose we would like to use the model developed in problem 1 to predict the no. of games a team will win if it can limit opponents yards rushing to 1800 yards. Find a point estimate of the no. of games won when x8=1800.Find a 905 prediction interval on the no. of games won. The purity of Oxygen produced by a fractionation process is thought to be percentage of Hydrocarbon in the main condenser of the processing unit .20 samples are shown below. Purity(%) Hydrocarbon(%) 86.91 1.02 89.85 1.11 90.28 1.43 86.34 1.11 92.58 1.01 87.33 0.95 86.29 1.11 91.86 0.87 95.61 1.43 89.86 1.02 96.73 1.46 99.42 1.55 98.66 1.55 96.07 1.55 93.65 1.4 87.31 1.15 95 1.01 96.85 0.99 85.2 0.95 90.56 0.98 (a)Fit a simple linear regression model to the data. (b)Test the hypothesis H0:ß=0 (c)Calculate R2 . (d)Find a 95% CI on the slope. (e)Find a 95% CI on the mean purity and the Hydrocarbon % is 1. Consider the Oxygen plant data in Problem3 and assume that purity and Hydrocarbon percentage are jointly normally distributed r.vs (a)What is the correlation between Oxygen purity and Hydrocarbon% (b)Test the hypothesis that ?=0. (c)Construct a 95% CI for ?.

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• MASM StrCmp Undefined?

  - by Yvan JANSSENS

  Hi, If I try to assemble the following code, I get a A2006 error ( error A2006: undefined symbol : StrCmp). Here's my code: .386 .model flat,stdcall option casemap:none include \masm32\include\windows.inc include \masm32\include\kernel32.inc include \masm32\include\masm32.inc include \masm32\include\user32.inc includelib \masm32\lib\kernel32.lib includelib \masm32\lib\masm32.lib includelib \masm32\lib\stdlib.lib includelib \masm32\lib\user32.lib .data YvanSoftware db "(c) YvanSoftware - ALL RIGHTS RESERVED", 13 ,10 ,0 EnterYourName db "Please enter your name: ", 0 CRLF db 13,10,0 TheHolyMan db "Yvan", 0 Seriously db "Seriously? You're the MAN!", 13,10,0 LoserName db "What a loser name.", 13,10 .data? buffer db 100 dup(?) .code start: invoke StdOut,addr YvanSoftware invoke StdOut, addr EnterYourName invoke StdIn, addr buffer, 100 invoke StdOut, addr CRLF invoke StrCmp,addr buffer, addr TheHolyMan ;error fires here je HolyMan IfNotHolyMan: invoke StdOut, addr LoserName jmp EndIfHolyMan HolyMan: invoke StdOut, addr Seriously jmp EndIfHolyMan EndIfHolyMan: invoke ExitProcess,0 END start I'm a complete n00b at assembler, and I'm trying to learn it. ;) Yvan

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