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• Meet This Year's Most Impressive WebCenter Customer Projects

  - by Michael Snow

  12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-family:"Calibri","sans-serif"; mso-ascii- mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi- mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} 12.00 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} Oracle Fusion Middleware: Meet This Year's Most Impressive Customer Projects Oracle OpenWorld Session – Tuesday Oct. 2, 2012: Moscone West, Room 3001 at 11:45AM This year – the Oracle Excellence awards had an amazing number of nominations. Each group at Oracle had a challenge to select the most innovative and game-changing nominations for their winners. The Fusion Middleware Innovation Awards, jointly sponsored by Oracle, OAUG, QUEST, ODTUG, IOUG, AUSOUG and UKOUG, honor organizations using Oracle Fusion Middleware to deliver unique business value.  This year, the awards will recognize customers across eight distinct categories: Oracle Exalogic Cloud Application Foundation Service Integration (SOA) and BPM WebCenter Identity Management Data Integration Application Development Framework and Fusion Development Business Analytics (BI, EPM and Exalytics)  The nominations included the pioneers in our customer base using these solutions in innovative ways to achieve significant business value. Tune in this afternoon for a listing of the WebCenter winners.

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• SQL Saturday 43 (Redmond, WA) Review

  - by BuckWoody

  Last Saturday (June 12th) we held a “SQL Saturday” (more about those here) event in Redmond, Washington. The event was held at the Microsoft campus, at the Mixer in our new location called the “Commons”. This is a mall-like area that we have on campus, and the Mixer is a large building with lots of meeting rooms, so it made a perfect location for the event. There was a sign to find the parking, and once there they had a sign to show how to get to the building. Since it’s a secure facility, Greg Larsen and crew had a person manning the door so that even late arrivals could get in. We had about 400 sign up for the event, and a little over 300 attend (official numbers later). I think we would have had a lot more, but the sun was out – and you just can’t underestimate the effect of that here in the Pacific Northwest. We joke a lot about not seeing the sun much, but when a day like what we had on Saturday comes around, and on a weekend at that, you’d cancel your wedding to go outside to play in the sun. And your spouse would agree with you for doing it. We had some top-notch speakers, including Clifford Dibble and Kalen Delany. The food was great, we had multiple sponsors (including Confio who seems to be at all of these) and the attendees were from all over the professional spectrum, from developers to BI to DBA’s. Everyone I saw was very engaged, and when I visited room-to-room I saw almost no one in the halls – everyone was in the sessions. I also saw a much larger Microsoft presence this year, especially from Dan Jones’ team. I had a great turnout at my session, and yes, I was wearing an Oracle staff shirt. I did that because I wanted to show that the session I gave on “SQL Server for the Oracle DBA” was non-marketing – I couldn’t exactly bash Oracle wearing their colors! These events are amazing. I can’t emphasize enough how much I appreciate the volunteers and how much work they put into these events, and to you for coming. If you’re reading this and you haven’t attended one yet, definitely find out if there is one in your area – and if not, start one. It’s a lot of work, but it’s totally worth it.       Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• WebCenter Customer Spotlight: Regency Centers Corporation

  - by me

  Author: Peter Reiser - Social Business Evangelist, Oracle WebCenter  Solution SummaryRegency Centers Corporation, based in Jacksonville, FL, is a leading national owner, operator, and developer of grocery-anchored and community shopping centers. Regency grew rapidly over much of the last decade. To keep up with the monthly and yearly administrative processes required to manage thousands of tenants, including reconciling yearly pass-through expenses, the customer upgraded to Oracle’s JD Edwards EnterpriseOne Version 9.0 and deployed Oracle WebCenter Imaging, Process Management and Oracle BI Publisher, to streamline invoice processing and reporting. Using Oracle WebCenter Imaging - Regency accelerated and improved vendor invoice accuracy  which increases process integrity by identifying potential duplicate bills while enabling rapid approval of electronic invoice documents. Company Overview Regency Centers Corporation, based in Jacksonville, FL,  is a leading national owner, operator, and developer of grocery-anchored and community shopping centers. The company owns 367 centers, totaling nearly 50 million square feet, located in top markets throughout the United States. Founded in 1963 and operating as a fully integrated real estate company, Regency is a qualified real estate investment trust that is self-administered and self-managed, operating from 17 regional offices around the country.  Business Challenges Ensure continued support of vital business applications that drive the real estate developer’s key business processes, including property management and tenant payment processing Streamline year-end expense recognition and calculation, enabling faster tenant billing Move to a Web-based platform to deliver greater mobility and convenience to employees Minimize system customizations to reduce IT management costs and burden moving forward Solution DeployedRecency Centers Corporation worked with the  Oracle Partner ICS to upgrade to Oracle’s JD Edwards EnterpriseOne Version 9.0, migrating to a more user-friendly, Web-based platform and realizing numerous new efficiencies in property management and tenant payment processing. They accelerated and improved vendor invoice accuracy with Oracle WebCenter Imaging, which increases process integrity by identifying potential duplicate bills while enabling rapid approval of electronic invoice documents. Business Results Enabled faster and more accurate tenant billing for year-end expenses, accelerating collections of millions of dollars in revenue Gained full audit and drill-down capabilities that facilitate understanding various aspects of calculations for expense participation generation Increases process integrity by identifying potential duplicate bills while enabling rapid approval of electronic invoice documents Helped to ensure on-time payments to hundreds of vendors, including contractors and utilities "We have realized numerous efficiencies with Oracle’s JD Edwards EnterpriseOne 9.0, particularly around tenant billings. It accelerates our year-end expense reconciliation process and enables us to create and process billings more quickly.” James Chiang, Vice President of Real Estate Accounting Regency Centers Corporation Additional Information Regency Centers Corporation Customer Snapshot Oracle WebCenter Imaging JD Edwards EnterpriseOne Financials 9.0 JD Edwards EnterpriseOne Project Costing JD Edwards EnterpiseOne Real Estate Management Oracle Business Intelligence Publisher Oracle Essbase

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• Enterprise Manager 12c: New DSS Demos Available

  - by Javier Puerta

  Enterprise Manager Cloud Control 12c Application Replay Demo Now Available! User Experience Monitoring with Enterprise Manager Cloud Control 12c and Real User Experience Insight 12R1 Now Available! Oracle Enterprise Manager Cloud Control 12c: Database Management Packs demo upgrade     Enterprise Manager Cloud Control 12c Application Replay Demo Now Available! We are pleased to announce the availability of the Oracle Application Replay demo that showcases some of the key capabilities of performing realistic, production scale testing of your web and packaged Oracle applications. This demo specifically focuses on capturing production web traffic from an E-Business Suite application and replaying the captured workload on a test E-Business Suite application to assess the impact of an application infrastructure change on the workload. The target audiences are application developers, quality assurance teams, IT managers and production control staff that deal in day-to-day change management activities and trouble shooting of production environments. Demo Highlights: Enterprise Manager 12c workflows for capturing application workload Seamless integration of Application Replay with Real User Experience Insight for application workload capture Enterprise Manager 12c centralized workflows for replaying captured application workloads in a test environment Demonstrates how to minimize risk when deploying a complex EBusiness Suite application infrastructure change. Rich reporting capability for performance analysis and problem detection User Experience Monitoring with Enterprise Manager Cloud Control 12c and Real User Experience Insight 12R1 Now Available! We are pleased to announce the availability of the Oracle Real User Experience Insight demo that showcases some of the key capabilities of user experience monitoring. This demo specifically focuses on business reporting, integrated performance diagnostics, tracking of customer journey’s through RUEI’s userflow tracking capabilities and it’s Key Performance Indicators tracking and configuration. Demo Highlights: Application-centric dashboard Integration with Oracle Enterprise Manager 12c – JVMD, ADP and BTM Session diagnostics and user session replay Monitoring through “Key Performance Indicators” (KPI) --- create alerts/incidents FUSION Application centric dashboards & integrated BI Oracle Enterprise Manager Cloud Control 12c: Database Management Packs demo upgrade DSS is pleased to announce an upgrade to the Oracle Enterprise Manager Cloud Control 12c: Database Management Packs demo. While retaining the content from the initial release of the demo—Diagnostic and Tuning Packs, Test Data Management and Data Masking, and Real Application Testing—the demo now includes a new Data Masking for Real Application Testing scenario. Demo Features: Diagnostic and Tuning Packs SQL Performance Analyzer Database Replay Data Masking Masking Real Application Testing workloads Testing pending Optimizer statistics Test Data Management

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• How to run software, that is not offered though package managers, that requires ia32-libs

  - by Onno

  I'm trying to install the Arma 2 OA dedicated server on a Virtualbox VM so I can test my own missions in a sandbox environment in a way that lets me offload them to another computer in my network. (The other computer is running the VM, but it's a windows machine, and I didn't want to hassle with its installation) It needs at least 2, and preferably 4GB of ram, so I thought I would install the AMD64 version of ubuntu 13.10 to get this going. 'How do you run a 32-bit program on a 64-bit version of Ubuntu?' already explained how to install 32bit software though apt-get and/or dpkg, but that doesn't apply in this case. The server is offered as a compressed download on the site of BI Studio, the developer of the Arma games. Its installation instructions are obviously slightly out of date with the current state of the art. (probably because the state of the art has been updated quite recently :) ) It states that I have to install ia32-libs, which has now apparently been deprecated. Now I have to find out how to get the right packages installed to make sure that it will run. My experience level is like novice-intermediate when it comes to these issues. I've installed a lot of packages though apt-get; I've solved dependency issues in the past; I haven't installed much software without using package managers. I can handle myself with basic administrative work like editing conf files and such. I have just gone ahead and tried to install it without installing ia32-libs through apt-get but to install gcc to get the libs after all. My reasoning being that gcc will include the files for backward compatibility coding and on linux all libs are (as far as I can tell) installed at a system level in /libs . So far it seems to start up. (I can connect with the game server trough my in-game network browser, so it's communicating) I'm not sure if there's any dependency checking going on when running the game server program, so I'm left with a couple of questions: Does 13.10 catch any calls to ia32libs libraries and translate the calls to the right code on amd64? If it runs, does that mean that all required libraries have been loaded correctly, or is there a change of it crashing later on when a library that was needed is missing after all? Is it necessary to do a workaround such as installing gcc? How do I find out what libraries I might need to run this software? (or any other piece of 32-bit software that isn't offered through a package manager)

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• ORACLE UK TECHNOLOGY “TEST FEST”

  - by mseika

  ORACLE UK TECHNOLOGY “TEST FEST” Join us at the UKOUG Conference at the ICC in Birmingham and Take your OPN Implementation Specialist Exam for Free! 3-5 December 2012, ICC Birmingham (UK) Dear Oracle Partner,** As a priority partner, we are sending you advance notice of these exclusive “Technology Test Fest” free examination sessions. Please note that this communication will be sent out to the wider community one week from today, so please register immediately to secure your place! ** We are delighted to offer you the exclusive opportunity to register and attend the Oracle UK “Technology Test Fest” being held as Part of the UKOUG Conference at the ICC in Birmingham in the Drawing Room at the Hyatt Regency hotel adjacent to the ICC venue, from 3rd to 5th December 2012.This is your opportunity to sit your chosen Oracle Technology Specialist Implementation Exam free of charge on this day. Four sessions are being run (10.00AM and 14.00PM), with just 15 places at each session – so register now to avoid disappointment! (Exams take about 1.5 hours to complete.) REGISTER - 3 December Afternoon Session - 2:00pm REGISTER - 4 December Morning Session 10:00am REGISTER - 4 December Afternoon Session - 2:00pm REGISTER - 5 December Morning Session - 10:00am Price: FREE Address:The Drawing Room Hyatt Regency Hotel Birmingham 2 Bridge Street Birmingham BI 2JZ 3 - 5 December 2012 Which Implementation Specialist Exams are available to take?Click here to see the list of exams available for you to sit for free at the Oracle UKOUG “Technology Test Fest”. The links also include the study guide for the particular exam. Please review the Specialization Guide as well. How do I register for the Oracle UK “Technology Test Fest”? Fill out the Pearson Vue profile HERE and complete it with your OPN Company ID. NB: Instructions on how to create/update the profile can be found HERE. Register for one of the 4 sessions using the registration links at the top of this page You will need to bring your own laptop with 'Windows OS' and a form of identification to be able to take any of the exams. Need Help or Advice?For more information about the tests and Get Specialized programme, please contact: [email protected] issues with your profile or any other OPN-related problems, please contact our Oracle Partner Business Centre: [email protected] or call 08705 194 194. We look forward to welcoming you to the Oracle UK “Technology Test Fest” on the 3rd- 5thDecember 2012! Book early to avoid disappointment.

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• Oracle Linux Partner Pavilion Spotlight - Part II

  - by Ted Davis

  As we draw closer to the first day of Oracle OpenWorld, starting in less than a week, we continue to showcase some of our premier partners exhibiting in the Oracle Linux Partner Pavilion ( Booth #1033). We have Independent Hardware Vendors, Independent Software Vendors and Systems Integrators that show the breadth of support in the Oracle Linux and Oracle VM ecosystem. In today's post we highlight three additional Oracle Linux / Oracle VM Partners from the pavilion. Micro Focus delivers mainframe solutions software and software delivery tools with its Borland products. These tools are grouped under the following solutions: Analysis and testing tools for JDeveloper Micro Focus Enterprise Analyzer is key to the success of application overhaul and modernization strategies by ensuring that they are based on a solid knowledge foundation. It reveals the reality of enterprise application portfolios and the detailed constructs of business applications. COBOL for Oracle Database, Oracle Linux, and Tuxedo Micro Focus Visual COBOL delivers the next generation of COBOL development and deployment. Itbrings the productivity of the Eclipse IDE to COBOL, and provides the ability to deploy key business critical COBOL applications to Oracle Linux both natively and under a JVM. Migration and Modernization tooling for mainframes Enterprise application knowledge, development, test and workload re-hosting tools significantly improves the efficiency of business application delivery, enabling CIOs and IT leaders to modernize application portfolios and target platforms such as Oracle Linux. When it comes to Oracle Linux database environments, supporting high transaction rates with minimal response times is no longer just a goal. It’s a strategic imperative. The “data deluge” is impacting the ability of databases and other strategic applications to access data and provide real-time analytics and reporting. As such, customer demand for accelerated application performance is increasing. Visit LSI at the Oracle Linux Pavilion, #733, to find out how LSI Nytro Application Acceleration products are designed from the ground up for database acceleration. Our intelligent solid-state storage solutions help to eliminate I/O bottlenecks, increase throughput and enable Oracle customers achieve the highest levels of DB performance. Accelerate Your Exadata Success With Teleran. Teleran’s software solutions for Oracle Exadata and Oracle Database reduce the cost, time and effort of migrating and consolidating applications on Exadata. In addition Teleran delivers visibility and control solutions for BI/data warehouse performance and user management that ensure service levels and cost efficiency.Teleran will demonstrate these solutions at the Oracle Open World Linux Pavilion: Consolidation Accelerator - Reduces the cost, time and risk ofof migrating and consolidation applications on Exadata. Application Readiness – Identifies legacy application performance enhancements needed to take advantage of Exadata performance features Workload Accelerator – Identifies and clusters workloads for faster performance on Exadata Application Visibility and Control - Improves performance, user productivity, and alignment to business objectives while reducing support and resource costs. Thanks for reading today's Partner Spotlight. Three more partners will be highlighted tomorrow. If you missed our first Partner Spotlight check it out here.

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• Oracle UK Technology "Tech Fest"

  - by rituchhibber

  ** As a priority partner, we are sending you advance notice of these exclusive “Technology Test Fest” free examination sessions. Please note that this communication will be sent out to the wider community one week from today, so please register immediately to secure your place! ** We are delighted to offer you the exclusive opportunity to register and attend the Oracle UK “Technology Test Fest” being held as Part of the UKOUG Conference at the ICC in Birmingham in the Drawing Room at the Hyatt Regency hotel adjacent to the ICC venue, from 3rd to 5th December  2012. This is your opportunity to sit your chosen Oracle Technology Specialist Implementation Exam free of charge on this day. Four sessions are being run (10.00AM and 14.00PM), with just 15 places at each session – so register now to avoid disappointment! (Exams take about 1.5 hours to complete.) Which Implementation Specialist Exams are available to take? Click here to see the list of exams available for you to sit for free at the Oracle UKOUG “Technology Test Fest”. The links also include the study guide for the particular exam. Please review the Specialization Guide as well. How do I register for the Oracle UK “Technology Test Fest”? Fill out the Pearson Vue profile here and complete it with your OPN Company ID. NB: Instructions on how to create/update the profile can be found here. Register for one of the 4 sessions using the registration links at the top of this page. 03rd December, 2012 at 14:00 04th December, 2012 at 10:00 am (Morning Session) 04th December, 2012 at 14:00 (Afternoon Session) 05th December, 2012 at 10:00 am (Morning Session) VENUE DETAILS: The Drawing Room Hyatt Regency Hotel Birmingham, 2 Bridge Street Birmingham, BI 2JZ 3 - 5 December 2012 You will need to bring your own laptop with 'Windows OS' and a form of identification to be able to take any of the exams. Need Help or Advice? For more information about the tests and Get Specialized programme, please contact: Ishacq Nada. For issues with your profile or any other OPN-related problems, please contact our: Oracle Partner Business Centre or call 08705 194 194. We look forward to welcoming you to the Oracle UK “Technology Test Fest” on the 3rd- 5thDecember 2012! Book early to avoid disappointment.

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• ?????QCon Tokyo 2010 ??????????!

  - by rika.tokumichi

  ??????OTN????????? 2010?4?19??20??????????·??????????QCon Tokyo 2010?????????? ??????????????????????????????????????????! ??????????????????????????????????^^ ???????????! >QCon Tokyo 2010 ????? ?????????? ????????????????? -------------------------------------------- ???:?? ?? (???? ????) ?????????????? - ????????CoE - ?????????? BI/SOA????????????? ???:?? ?? (???? ?????) ?????????? - ????????? - ??????????? -------------------------------------------- ??????????????????????????????????QCon Tokyo 2010?????????? QCon????????????????????????????InfoQ???????????????????????????????????????·?????????? ????????????4???????????????????????????????·?????????? InfoQ????????????????????????????????????????????????? ?1??? ??????????????Twitter????Nick Kallen??????????? ??????Data Architecture at Twitter Scale?? ?????????????????????????????????????????????????????????????????120????????????????????????????????????????? ??????????????????????????????????????????????????????????????????Twitter????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????? ????????Oracle Coherence????????????Patrick Peralta??? ?Connected Clouds: A Platform for Globally Distributed Service? ??????????????? Coherence????????KVS??????????????????????????????????????Oracle Coherence?????????????????????????????????? ??????????????????????????????????????????Coherence?Push Replication Pattern?????????????????????????????????????????????????????????????????????????????????????????? ??????????????????????????? ?????????????????????????????????? ?????? ??????????????????????????2???3??????????? ???????????????????????????????! ??????????????????????????????? ?2??? 2??????????????Facebook?Marc Kwiatkowski?????????? ??????Scaling Memcache at Facebook?? 4??????????Facebook???????memcache??????????????????????????????????????? ?????????memchace????????????????????????????????memcache???????????????????????????????????????????????????????????????????????????? ????????????? Java7???????????????????????????????????? Ruby??????????????????????????????Ruby????????? ??????????????????????????? ???????????????! --------------------------------------- ?????????????????????????!! ???????????! ???????2?????????? ??????????????????????????? >QCon Tokyo 2010 ????? ?????????&??????? ?????????????Patrick Peralta?????????? >?????Connected Clouds: A Platform for Globally Distributed Service?(??) by Patrick Peralta ?Oracle Coherence????? ???? ?????? ???????????? Oracle Coherence?????(??????????) OTN????????????????????????????? ??????????????????? >???????????????????1(?????? ???) >???????????????????2(???????) ???????????????????????????????????????????????????!

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• Replacing DropBox with: Amazon S3 + SSL + GPG/TrueCrypt + Mounting on OSX ??

  - by Matt Rogish

  So, right now we're using DropBox to share various data files around between approximately 10 Mac OS X systems. However, we already have an S3 account and everyone on the lowest DropBox plan of $10/mo seems too expensive. We'd like to avoid any kind of local storage (share a disk on a desktop or something) since we're a geographically distributed team). So, I am contemplating something that would allow us to replace DropBox with our own home-grown solution. We are all fairly technical people and/or smart enough to follow some steps, so if it's not as "user friendly" as DropBox we're all comfortable with that. There are plenty of docs out there that have bits and pieces of what I want but some of the tools don't seem to fit the requirements: Transport security via SSL to the bucket Encryption of bucket contents Bi-directional syncing Most of the scripts I can find on the internet use "duplicity" which appears to fail #1 (it doesn't look like duplicity supports SSL to S3 - the docs don't state but the protocol looks plain old http http://www.nongnu.org/duplicity/duplicity.1.html#sect6 ) Many scripts use gpg to encrypt files. This seems like it could work, however I have to make sure that each OSX client is able to use the same key to encrypt and decrypt files (key management is left to me to manage). FTP and other client-based apps don't seem to support this at all. Finally, most of the scripts use one-way replication, e.g. using Amazon S3 as a simple backup store. As we'd be using Amazon S3 as the "repository" they fail this one. Whew. So, I'd love a single tool that does this but after an exhaustive search I don't think one exists. In my mind, the magical tool would be some combination of TrueCrypt and rsync. I'd be happy just knowing which tools out there can fulfill my 3 requirements, after that I can stitch together the rest. Any thoughts? THANKS!

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• High load average, low CPU and IO (Centos 5.7)

  - by Ben

  A Drupal 7 site with CiviCRM, after running smoothly for a year on a 1&1 VPS suddenly became unresponsive. Now pages eventually load, but can take more than a minute. Looking at resource use in Virtuozzo, the load average carries a warning, and has remained above 1. While I understand this isn't particularly high, this is a change from when the site was working. Here is a typical snapshot of top: top - 03:10:32 up 3:21, 1 user, load average: 1.16, 1.22, 1.30 Tasks: 43 total, 1 running, 42 sleeping, 0 stopped, 0 zombie Cpu(s): 0.1%us, 0.1%sy, 0.1%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 2097152k total, 1015112k used, 1082040k free, 0k buffers Swap: 0k total, 0k used, 0k free, 0k cached CPU idle level never seems to go much below 70%. wa is virtually always at 0. There appears to be lots of free memory. And here is some vmstat output, again showign wa at 0, plenty of free memory, and an idle CPU: procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 2 0 0 1100872 0 0 0 0 2783 23672 0 538 1 0 99 0 0 1 0 0 1100872 0 0 0 0 0 16 0 101754 0 0 100 0 0 0 0 0 1100872 0 0 0 0 0 17 0 103133 0 0 100 0 0 0 0 0 1100872 0 0 0 0 0 1 0 102080 0 0 100 0 0 1 0 0 1100872 0 0 0 0 0 6 0 99881 0 0 100 0 0 0 0 0 1100872 0 0 0 0 0 1 0 105187 0 0 100 0 0 I've spoken to 1&1 but they don't have any ideas as to what could be causing the high load average. Instead they suggested an upgrade :) I've looked for processes that might be causing this, examined MySQL showprocesslist, and restarted the container with no result. Does anyone have more troubleshooting suggestions or insights?

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• Broken Creative DTT3500 Digital

  - by djechelon

  Hello, many years ago I bought a Creative DTT3500 Digital surround speakers system. It's been a while since my home theatre started behaving strange. During the past 6 months, I have noticed that the amplifier needed some time before correctly playing digital audio. Until a couple of weeks ago, it needed up to 5 minutes of very noisy "warm up" before playing an "almost" clear audio. Today, I found that even using the analog input (completely disabling digital inputs) the noise persists. Powering off and on the speakers doesn't work. Now, it's reasonable that after almost 10 years, the amplifier got broken. My problem is that I can't simply replace the speakers with another kit from another brand, since 2 speakers in my room are placed in the back wall, with coaxial cables going under the floor but not completely inside a single tube. I mean, I have coaxial extension cables starting from the DTT3500 amplifier, going into the wall, then under the floor in a plastic cable tube, then exiting the tube (still under the floor), connecting to the male coaxial connector of the original cable supplied by Creative, and continuing up to the point close to my bed where the speakers are. I could replace the speakers **only as soon as the new speakers have the same coaxial to bi-polar cables that Creative ships with DTT3500 Another option might be "repairing the amplifier", but I don't know if it's feasible, what should I or a technician look for in the amplifier, and how much would it cost (is it worth to repair or buy a new kit considering the problem above? What do you suggest me to do, basing on the above observation? Thank you.

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• MySQL is killing the server IO.

  - by OneOfOne

  I manage a fairly large/busy vBulletin forums (running on gigenet cloud), the database is ~ 10 GB (~9 milion posts, ~60 queries per second), lately MySQL have been grinding the disk like there's no tomorrow according to iotop and slowing the site. The last idea I can think of is using replication, but I'm not sure how much that would help and worried about database sync. I'm out of ideas, any tips on how to improve the situation would be highly appreciated. Specs : Debian Lenny 64bit ~12Ghz (6x2GHz) CPU, 7520gb RAM, 160gb disk. Kernel : 2.6.32-4-amd64 mysqld Ver 5.1.54-0.dotdeb.0 for debian-linux-gnu on x86_64 ((Debian)) Other software: vBulletin 3.8.4 memcached 1.2.2 PHP 5.3.5-0.dotdeb.0 (fpm-fcgi) (built: Jan 7 2011 00:07:27) lighttpd/1.4.28 (ssl) - a light and fast webserver PHP and vBulletin are configured to use memcached. MySQL Settings : [mysqld] key_buffer = 128M max_allowed_packet = 16M thread_cache_size = 8 myisam-recover = BACKUP max_connections = 1024 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M key_buffer_size = 128M join_buffer_size = 8M tmp_table_size = 16M max_heap_table_size = 16M table_cache = 96 Other : From the cloud's IO chart, we're averaging 100mb/s read. > vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 9 0 73140 36336 8968 1859160 0 0 42 15 3 2 6 1 89 5 > /etc/init.d/mysql status Threads: 49 Questions: 252139 Slow queries: 164 Opens: 53573 Flush tables: 1 Open tables: 337 Queries per second avg: 61.302. moved from superuser

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• Using Virtualbox Bridge Networking fails connection from Guest OS to Oracle XE running on Host

  - by Licheng

  I am trying to make a JDBC connection from a VirtualBox Ubuntu Guest OS to an Oracle XE database running o Host. However, the connection is refused. Here are the details of my environment: VirtualBox: 4.1.4 Host OS: Windows 7 Guest OS: Ubuntu server 11.4 Networking mode: Bridged network Oracle XE database running on Host Issue: WebLogic server runs on the Ubuntu virtualbox. It attempts to connect to an Oracle XE database running on the Host OS (windows 7) with listening port 1521. On the Guest OS (Ubuntu), I am able to ping the Host computer from the Guest OS. However, when I configured a JDBC data source on the WebLogic server on the Guest OS to connect to the Oracle XE, connection took a long time, and eventually I received an "IO Exception: The Network Adapter could not establish the connection". When I tried "telnet host-ip 1521", no connection was established. With Bridge networking, I can make bi-directional connections between the host and the guest OS (e.g. connection through ssh and ftp). Is there anything I missed in the setup of Bridge networking and the guest/host OS? Note that I was able to make the same connection within a normal networking environment (i.e. not using virtual box). I am not sure whether Bridge networking is a good option for the work described above. Should I use host-only networking mode? If so, any specific configurations I need to perform? I read through the Virtual box document on setting up the host-only network, however, it lacks of details. I followed the procedures described in the manual, and couldn't even connect to the host. Could some experts here enlighten me on this issue? Much appreciated. Licheng

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• selectOneMenu - java.lang.NullPointerException when adding record to the database (JSF2 and JPA2-OpenJPA)

  - by rogie

  Good day to all; I'm developing a program using JSF2 and JPA2 (OpenJPA). Im also using IBM Rapid App Dev't v8 with WebSphere App Server v8 test server. I have two simple entities, Employee and Department. Each Department has many Employees and each Employee belongs to a Department (using deptno and workdept). My problem occurs when i tried to add a new employee and selecting a department from a combo box (using selectOneMenu - populated from Department table): when i run the program, the following error messages appeared: An Error Occurred: java.lang.NullPointerException Caused by: java.lang.NullPointerException - java.lang.NullPointerException I also tried to make another program using Deptno and Workdept as String instead of integer, still doesn't work. Pls help. Im also a newbie. Tnx and God bless. Below are my codes, configurations and setup. Just tell me if there are some codes that I forgot to include. Im also using Derby v10.5 as my database: CREATE SCHEMA RTS; CREATE TABLE RTS.DEPARTMENT (DEPTNO INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1), DEPTNAME VARCHAR(30)); ALTER TABLE RTS.DEPARTMENT ADD CONSTRAINT PK_DEPARTMNET PRIMARY KEY (DEPTNO); CREATE TABLE RTS.EMPLOYEE (EMPNO INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1), NAME VARCHAR(50), WORKDEPT INTEGER); ALTER TABLE RTS.EMPLOYEE ADD CONSTRAINT PK_EMPLOYEE PRIMARY KEY (EMPNO); Employee and Department Entities package rts.entities; import java.io.Serializable; import javax.persistence.*; @Entity public class Employee implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private int empno; private String name; //bi-directional many-to-one association to Department @ManyToOne @JoinColumn(name="WORKDEPT") private Department department; ....... getter and setter methods package rts.entities; import java.io.Serializable; import javax.persistence.*; import java.util.List; @Entity public class Department implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private int deptno; private String deptname; //bi-directional many-to-one association to Employee @OneToMany(mappedBy="department") private List<Employee> employees; ....... getter and setter methods JSF 2 snipet using combo box (populated from Department table) <tr> <td align="left">Department</td> <td style="width: 5px">&#160;</td> <td><h:selectOneMenu styleClass="selectOneMenu" id="department1" value="#{pc_EmployeeAdd.employee.department}"> <f:selectItems value="#{DepartmentManager.departmentSelectList}" id="selectItems1"></f:selectItems> </h:selectOneMenu></td> </tr> package rts.entities.controller; import com.ibm.jpa.web.JPAManager; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import com.ibm.jpa.web.NamedQueryTarget; import com.ibm.jpa.web.Action; import javax.persistence.PersistenceUnit; import javax.annotation.Resource; import javax.transaction.UserTransaction; import rts.entities.Department; import java.util.List; import javax.persistence.Query; import java.util.ArrayList; import java.text.MessageFormat; import javax.faces.model.SelectItem; @SuppressWarnings("unchecked") @JPAManager(targetEntity = rts.entities.Department.class) public class DepartmentManager { ....... public List<SelectItem> getDepartmentSelectList() { List<Department> departmentList = getDepartment(); List<SelectItem> selectList = new ArrayList<SelectItem>(); MessageFormat mf = new MessageFormat("{0}"); for (Department department : departmentList) { selectList.add(new SelectItem(department, mf.format( new Object[] { department.getDeptname() }, new StringBuffer(), null).toString())); } return selectList; } Converter: package rts.entities.converter; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.convert.Converter; import rts.entities.Department; import rts.entities.controller.DepartmentManager; import com.ibm.jpa.web.TypeCoercionUtility; public class DepartmentConverter implements Converter { public Object getAsObject(FacesContext facesContext, UIComponent arg1, String entityId) { DepartmentManager departmentManager = (DepartmentManager) facesContext .getApplication().createValueBinding("#{DepartmentManager}") .getValue(facesContext); int deptno = (Integer) TypeCoercionUtility.coerceType("int", entityId); Department result = departmentManager.findDepartmentByDeptno(deptno); return result; } public String getAsString(FacesContext arg0, UIComponent arg1, Object object) { if (object instanceof Department) { return "" + ((Department) object).getDeptno(); } else { throw new IllegalArgumentException("Invalid object type:" + object.getClass().getName()); } } } Method for Add button: public String createEmployeeAction() { EmployeeManager employeeManager = (EmployeeManager) getManagedBean("EmployeeManager"); try { employeeManager.createEmployee(employee); } catch (Exception e) { logException(e); } return ""; } faces-conf.xml <converter> <converter-for-class>rts.entities.Department</converter-for-class> <converter-class>rts.entities.converter.DepartmentConverter</converter-class> </converter> Stack trace javax.faces.FacesException: java.lang.NullPointerException at org.apache.myfaces.shared_impl.context.ExceptionHandlerImpl.wrap(ExceptionHandlerImpl.java:241) at org.apache.myfaces.shared_impl.context.ExceptionHandlerImpl.handle(ExceptionHandlerImpl.java:156) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:258) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:191) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1147) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:722) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:449) at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1020) at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:886) at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1655) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:195) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:452) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:511) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:305) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:276) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113) at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165) at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217) at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161) at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138) at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204) at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775) at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1650) Caused by: java.lang.NullPointerException at rts.entities.converter.DepartmentConverter.getAsString(DepartmentConverter.java:29) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getConvertedStringValue(RendererUtils.java:656) at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.getSubmittedOrSelectedValuesAsSet(HtmlRendererUtils.java:444) at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.internalRenderSelect(HtmlRendererUtils.java:421) at org.apache.myfaces.shared_impl.renderkit.html.HtmlRendererUtils.renderMenu(HtmlRendererUtils.java:359) at org.apache.myfaces.shared_impl.renderkit.html.HtmlMenuRendererBase.encodeEnd(HtmlMenuRendererBase.java:76) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:519) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:626) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:622) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:622) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:622) at org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.renderView(FaceletViewDeclarationLanguage.java:1320) at org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:263) at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:85) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:239) ... 24 more

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• Rsync: General file/folder synchronization

  - by Rey Leonard Amorato

  I have a file server, which is in-charge of pulling a folder tree from multiple workstations on a daily basis. My current method for this is by using rsync, (which works pretty well provided directory names and/or files remain the same) however, when files are renamed or moved about within subdir1, rsync will copy them over to the server, creating duplicates. I have to manually find and delete extraneous files/folders that had been left on the server during previous syncs. Note that I cannot use rsync's --delete flag because any sync from a workstation will then mirror that particular folder tree, instead of merging them to the server. Visual diagram: Server: Workstation1 Workstation2 Workstation(n) Folder* Folder* Folder* Folder* -subdir1 -subdir1 -subdir1 -subdir(n) -file1 -file1 -file2 -file(n) -file2 -file(n) Is there a simple script (preferably in bash, nothing fancy) that can accomplish the deletion of the extraneous files/folders in the event a file is renamed or moved to a different subdir? Is there a different program, much like rsync that can accomplish this task autonomously and in a much simpler manner? I have looked at unison, but I did not like the fact that it keeps a local database for the syncing info. Any tips at all as to how I am supposed to tackle this? Thank you in advanced for your help. EDIT: I have tried unison just recently and I can safely say it is out of the question now. unison is a bi-directional synchronization tool and from my testing, it mirrors the files existing on the server to all workstations. - This is unwanted. preferably, i would want files/folders to stay within their respective workstations and just merge to the server. AKA uni-directional sync; but with renames/moves propagated to the server. I might have to look into Git/Mercurial/Bazaar as mentioned by kyle, but still unsure if they are fit for the job.

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• Reporting Services 2008: Virtual directories not visible in IIS7..

  - by Ryan Barrett

  I'm having some problems with Reporting Services on Windows Server 2008 Standard. I've installed server 2008 as a standalone webserver (with roles/features of an web application server). On top of that, I've installed Sql Server 2008 Standard with Reporting Services (and the rest of the BI tools). Problem is, I want to modify the rights on the virtual directories. However, the virtual directories aren't appearing in IIS 7 management tool. I can connect to reporting services, albeit only with the local windows admin account. I can download Report Builder fine from an session on the server (but not from any clients). I've tried removing the default website from IIS, and that stops the reporting services website from working. The machine (a VM) isn't for production use - it's used on a closed network internally for testing and development purposes. I need to be able to let my fellow developers login without a password, and they must be able to install ReportBuilder 2.0. Must not be linked to a domain or active directory in any form. Google isn't much help, the results suggest I modify the virtual directory Does anyone have any suggestions?

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• Find out which task is generating a lot of context switches on linux

  - by Gaks

  According to vmstat, my Linux server (2xCore2 Duo 2.5 GHz) is constantly doing around 20k context switches per second. # vmstat 3 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 2 0 7292 249472 82340 2291972 0 0 0 0 0 0 7 13 79 0 0 0 7292 251808 82344 2291968 0 0 0 184 24 20090 1 1 99 0 0 0 7292 251876 82344 2291968 0 0 0 83 17 20157 1 0 99 0 0 0 7292 251876 82344 2291968 0 0 0 73 12 20116 1 0 99 0 ... but uptime shows small load: load average: 0.01, 0.02, 0.01 and top doesn't show any process with high %CPU usage. How do I find out what exactly is generating those context switches? Which process/thread? I tried to analyze pidstat output: # pidstat -w 10 1 12:39:13 PID cswch/s nvcswch/s Command 12:39:23 1 0.20 0.00 init 12:39:23 4 0.20 0.00 ksoftirqd/0 12:39:23 7 1.60 0.00 events/0 12:39:23 8 1.50 0.00 events/1 12:39:23 89 0.50 0.00 kblockd/0 12:39:23 90 0.30 0.00 kblockd/1 12:39:23 995 0.40 0.00 kirqd 12:39:23 997 0.60 0.00 kjournald 12:39:23 1146 0.20 0.00 svscan 12:39:23 2162 5.00 0.00 kjournald 12:39:23 2526 0.20 2.00 postgres 12:39:23 2530 1.00 0.30 postgres 12:39:23 2534 5.00 3.20 postgres 12:39:23 2536 1.40 1.70 postgres 12:39:23 12061 10.59 0.90 postgres 12:39:23 14442 1.50 2.20 postgres 12:39:23 15416 0.20 0.00 monitor 12:39:23 17289 0.10 0.00 syslogd 12:39:23 21776 0.40 0.30 postgres 12:39:23 23638 0.10 0.00 screen 12:39:23 25153 1.00 0.00 sshd 12:39:23 25185 86.61 0.00 daemon1 12:39:23 25190 12.19 35.86 postgres 12:39:23 25295 2.00 0.00 screen 12:39:23 25743 9.99 0.00 daemon2 12:39:23 25747 1.10 3.00 postgres 12:39:23 26968 5.09 0.80 postgres 12:39:23 26969 5.00 0.00 postgres 12:39:23 26970 1.10 0.20 postgres 12:39:23 26971 17.98 1.80 postgres 12:39:23 27607 0.90 0.40 postgres 12:39:23 29338 4.30 0.00 screen 12:39:23 31247 4.10 23.58 postgres 12:39:23 31249 82.92 34.77 postgres 12:39:23 31484 0.20 0.00 pdflush 12:39:23 32097 0.10 0.00 pidstat Looks like some postgresql tasks are doing 10 context swiches per second, but it doesn't all sum up to 20k anyway. Any idea how to dig a little deeper for an answer?

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• Server load high, CPU idle. NFS the cause?

  - by Mech Software

  I am running into a scenario where I'm seeing a high server load (sometimes upwards of 20 or 30) and a very low CPU usage (98% idle). I'm wondering if these wait states are coming as part of an NFS filesystem connection. Here is what I see in VMStat procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 2 1 0 1298784 0 0 0 0 16 5 0 9 1 1 97 2 0 0 1 0 1308016 0 0 0 0 0 0 0 3882 4 3 80 13 0 0 1 0 1307960 0 0 0 0 120 0 0 2960 0 0 88 12 0 0 1 0 1295868 0 0 0 0 4 0 0 4235 1 2 84 13 0 6 0 0 1292740 0 0 0 0 0 0 0 5003 1 1 98 0 0 4 0 0 1300860 0 0 0 0 0 120 0 11194 4 3 93 0 0 4 1 0 1304576 0 0 0 0 240 0 0 11259 4 3 88 6 0 3 1 0 1298952 0 0 0 0 0 0 0 9268 7 5 70 19 0 3 1 0 1303740 0 0 0 0 88 8 0 8088 4 3 81 13 0 5 0 0 1304052 0 0 0 0 0 0 0 6348 4 4 93 0 0 0 0 0 1307952 0 0 0 0 0 0 0 7366 5 4 91 0 0 0 0 0 1307744 0 0 0 0 0 0 0 3201 0 0 100 0 0 4 0 0 1294644 0 0 0 0 0 0 0 5514 1 2 97 0 0 3 0 0 1301272 0 0 0 0 0 0 0 11508 4 3 93 0 0 3 0 0 1307788 0 0 0 0 0 0 0 11822 5 3 92 0 0 From what I can tell when the IO goes up the waits go up. Could NFS be the cause here or should I be worried about something else? This is a VPS box on a fiber channel SAN. I'd think the bottleneck wouldn't be the SAN. Comments?

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• What could cause the file command in Linux to report a text file as data?

  - by Jonah Bishop

  I have a couple of C++ source files (one .cpp and one .h) that are being reported as type data by the file command in Linux. When I run the file -bi command against these files, I'm given this output (same output for each file): application/octet-stream; charset=binary Each file is clearly plain-text (I can view them in vi). What's causing file to misreport the type of these files? Could it be some sort of Unicode thing? Both of these files were created in Windows-land (using Visual Studio 2005), but they're being compiled in Linux (it's a cross-platform application). Any ideas would be appreciated. Update: I don't see any null characters in either file. I found some extended characters in the .cpp file (in a comment block), removed them, but file still reports the same encoding. I've tried forcing the encoding in SlickEdit, but that didn't seem to have an effect. When I open the file in vim, I see a [converted] line as soon as I open the file. Perhaps I can get vim to force the encoding?

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• load average in top and procs in vmstat

  - by Mingfei.hua

  As far as I know, the load average in top is the numbers of precess(threads) in running or uninterrupted sleep status, So it should be equal to (procs-r +1 )+ procs-b in vmstat, but in practice, this two number always have big gap. Any wrongs in my understanding, appreciate so much if some guys give me some guide. top - 05:34:50 up 1 day, 20:56, 5 users, load average: 2.83, 2.67, 1.62 Tasks: 79 total, 1 running, 78 sleeping, 0 stopped, 0 zombie Cpu(s): 6.8%us, 1.8%sy, 0.0%ni, 91.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.4%st Mem: 1758000k total, 582636k used, 1175364k free, 103932k buffers Swap: 917500k total, 0k used, 917500k free, 180868k cached procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 0 1182524 103784 180860 0 0 1 9 6 53 7 2 91 0 0 0 0 0 1182524 103784 180860 0 0 0 36 70 117 0 0 100 0 0 0 0 0 1182516 103784 180860 0 0 0 0 73 132 0 1 100 0 0 0 0 0 1182516 103784 180860 0 0 0 0 60 127 0 0 100 0 0 1 0 0 1182516 103784 180860 0 0 0 0 62 102 0 0 100 0 0 0 0 0 1182628 103784 180860 0 0 0 0 289 238 1 2 97 0 0 2 0 0 1152160 103784 180892 0 0 0 8 1481 2371 54 12 34 0 0 1 0 0 1182192 103784 180860 0 0 0 0 681 834 19 4 78 0 0 0 0 0 1182200 103784 180860 0 0 0 0 80 147 0 1 100 0 0 0 0 0 1182200 103784 180860 0 0 0 0 53 107 0 0 100 0 0 0 0 0 1182208 103788 180856 0 0 0 72 64 123 0 0 100 1 0

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• Website has become slower on a VPS, was much fast on a shared host. What's wrong?

  - by Arpit Tambi

  My shared host suspended my website stating system overload, so I moved my website to a VPS which has 4GB RAM. But for some reason the website has become very slow. This is the vmstat output - procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 1 0 0 3050500 0 0 0 0 0 1 0 0 0 0 100 0 0 Here's the Apache Benchmark output for a STATIC html page I ran on the server itself - Benchmarking www.ask-oracle.com (be patient)...apr_poll: The timeout specified has expired (70007) Total of 20 requests completed Update: Server Config: List item Centos 5.6 4 cores cpu 4 GB RAM LAMP stack with APC Wordpress Only one website It takes almost double time to load now, same website was much fast on shared hosting. I know I need to tweak some settings but have no clue where to start from? I have already tried to optimize apache, mysql etc. Update 2: CPU usage is low, see uptime output: 11:09:02 up 7 days, 21:26, 1 user, load average: 0.09, 0.11, 0.09 Update 3: When I load any webpage, browser shows "Waiting" for a long time and then page loads quickly. So I suspect server can accept only limited connections and holds extra connections in a waiting state. How to check this? Update 4: Following is the output on executing netperf TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to localhost.localdomain (127.0.0.1) port 0 AF_INET Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 87380 16384 16384 10.00 9615.40 [root@ip-118-139-177-244 j3ngn5ri6r01t3]# Here are the Apache MPM settings from httpd.conf, do they look okay? <IfModule worker.c> StartServers 5 MaxClients 100 MinSpareThreads 50 MaxSpareThreads 250 ThreadsPerChild 125 MaxRequestsPerChild 10000 ServerLimit 100 </IfModule>

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• VMWare Setup with 2 Servers and a DAS (DELL MD3220)

  - by Kumala

  I am planning to use a VMWare based setup consisting of two VMWare servers (2 CPU, 256GB Memory) and a DAS (DELL MD3220 with 24x900GB disks). The virtual machines will be half running MS SQL databases (Application, Sharepoint, BI) and the other half of the VM will be file services, IIS. To enhance the capacity of the storage, we'll be adding a MD1220 enclosure with another 24x900GB to the MD3220. Both DAS will have 2 controllers. Our current measured IOPS is 1000 IOPS average, 7000 IOPS peak (those happen maybe twice per hour). We are in the planning phase now and are looking at the proper setup of the disks. The intention is to setup up both DAS one of the DAS with RAID 10 only and the other DAS with RAID 5. That will allow us to put the applications on the DAS that supports the application performance needs best. Question is how best to partition the two DASs to get best possible IOPS/MBps, each DAS will have to have 2 hot spares? For the RAID 5 Setup: Generally speaking, would it be better to have one single disk group across all 22 disks (24 - 2 hot spares) with both controllers assigned to the one disk group or is it better to have 2 disk groups each 11 disks, assigned to one of the two controllers? Same question for the RAID 10 setup: The plan is: 2 disks for logs (Raid 1), 2 Hotspare and 20 disks for RAID 10. Option 1: 5 * 4 disks (RAID 10), with two groups assigned to 1 controller and 3 groups to the other controller Option 2: One large RAID 10 across all the disks and have both controllers assigned to the same group? I would assume that there is no right or wrong, but it all depends very much on the specific application behaviour, so I am looking for some general ideas what the pros and cons are of the different options. IF there are other meaningful options, feel free to propose them.

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• MySQL is killing the server IO.

  - by OneOfOne

  I manage a fairly large/busy vBulletin forums (running on gigenet cloud), the database is ~ 10 GB (~9 milion posts, ~60 queries per second), lately MySQL have been grinding the disk like there's no tomorrow according to iotop and slowing the site. The last idea I can think of is using replication, but I'm not sure how much that would help and worried about database sync. I'm out of ideas, any tips on how to improve the situation would be highly appreciated. Specs : Debian Lenny 64bit ~12Ghz (6 cores) CPU, 7520gb RAM, 160gb disk. Kernel : 2.6.32-4-amd64 mysqld Ver 5.1.54-0.dotdeb.0 for debian-linux-gnu on x86_64 ((Debian)) Other software: vBulletin 3.8.4 memcached 1.2.2 PHP 5.3.5-0.dotdeb.0 (fpm-fcgi) (built: Jan 7 2011 00:07:27) lighttpd/1.4.28 (ssl) - a light and fast webserver PHP and vBulletin are configured to use memcached. MySQL Settings : [mysqld] key_buffer = 128M max_allowed_packet = 16M thread_cache_size = 8 myisam-recover = BACKUP max_connections = 1024 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M key_buffer_size = 128M join_buffer_size = 8M tmp_table_size = 16M max_heap_table_size = 16M table_cache = 96 Other : > vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 9 0 73140 36336 8968 1859160 0 0 42 15 3 2 6 1 89 5 > /etc/init.d/mysql status Threads: 49 Questions: 252139 Slow queries: 164 Opens: 53573 Flush tables: 1 Open tables: 337 Queries per second avg: 61.302. Edit Additional info.

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• Replacing DropBox with: Amazon S3 + SSL + GPG/TrueCrypt + Mounting on OSX ??

  - by Matt Rogish

  So, right now we're using DropBox to share various data files around between approximately 10 Mac OS X systems. However, we already have an S3 account and everyone on the lowest DropBox plan of $10/mo seems too expensive. So, I am contemplating something that would allow us to replace DropBox with our own home-grown solution. We are all fairly technical people and/or smart enough to follow some steps, so if it's not as "user friendly" as DropBox we're all comfortable with that. There are plenty of docs out there that have bits and pieces of what I want but some of the tools don't seem to fit the requirements: Transport security via SSL to the bucket Encryption of bucket contents Bi-directional syncing Most of the scripts I can find on the internet use "duplicity" which appears to fail #1 (it doesn't look like duplicity supports SSL to S3 - the docs don't state but the protocol looks plain old http http://www.nongnu.org/duplicity/duplicity.1.html#sect6 ) Many scripts use gpg to encrypt files. This seems like it could work, however I have to make sure that each OSX client is able to use the same key to encrypt and decrypt files (key management is left to me to manage). Finally, most of the scripts use one-way replication, e.g. using Amazon S3 as a simple backup store. As we'd be using Amazon S3 as the "repository" they fail this one. Whew. So, I'd love a single tool that does this but after an exhaustive search I don't think one exists. I'd be happy just knowing which tools out there can fulfill my 3 requirements, after that I can stitch together the rest. Any thoughts? THANKS!

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