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  • What does SQL Server's BACKUPIO wait type mean?

    - by solublefish
    I'm using Sql Server 2008 ("R1"), with some maintenance plans that back up my databases to a network share. Some of my backup jobs show long waits of type "BACKUPIO". Of course it seems like this is an I/O subsystem limitation, but I'm skeptical. Perfmon stats for I/O on the production (source) server are well within normal trends for that server. The destination server shows a sustained 7MB/s write rate, which seems incredibly low, even for a slow disk. The network link is gigabit ethernet and nowhere near saturated. The few docs I've turned up about BACKUPIO indicate that it's not specifically a wait on I/O, surprisingly enough. This MSFT doc says it's abnormal unless you're using a tape drive, which I'm not. But it doesn't say (or I don't understand) exactly what resource is missing. http://www.docstoc.com/docs/24580659/Performance-Tuning-in-SQL-Server-2005 And this piece says it's not related to I/O performance at all. http://www.informit.com/articles/article.aspx?p=686168&seqNum=5 "Note that BACKUPIO and IO_AUDIT_MUTEX are not related to IO performance." Anyway, does anyone know what BACKUPIO actually means and/or what I can do to diagnose or eliminate it?

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  • ANSI C as core of a C# project? Is this possible?

    - by Nektarios
    I'm writing a NON-GUI app which I want to be cross platform between OS X and Windows. I'm looking at the following architecture, but I don't know if it will work on the windows side: (Platform specific entry point) - ANSI C main loop = ANSI C model code doing data processing / logic = (Platform specific helpers) So the core stuff I'm planning to write in regular ANSI C, because A) it should be platform independent, B) I'm extremely comfortable with C, C) It can do the job and do it well (Platform specific entry point) can be written in whatever necessary to get the job done, this is a small amount of code, doesn't matter to me. (Platform specific helpers) is the sticky thing. This is stuff like parsing XML, accessing databases, graphics toolkit stuff, whatever. Things that aren't easy in C. Things that modern languages/frameworks will give for free. On OS X this code will be written in Objective-C interfacing with Cocoa. On Windows I'm thinking my best bet is to use C# So on Windows my architecture (simplified) looks like (C# or C?) - ANSI C - C# Is this possible? Some thoughts/suggestions so far.. 1) Compile my C core as a .dll -- this is fine, but seems there's no way to call my C# helpers unless I can somehow get function pointers and pass them to my core, but that seems unlikely 2) Compile a C .exe and a C# .exe and have them talk via shared memory or some kind of IPC. I'm not entirely opposed to this but it obviously introduces a lot of complexity so it doesn't seem ideal 3) Instead of C# use C++, it gets me some nice data management stuff and nice helper code. And I can mix it pretty easily. And the work I do could probably easily port to Linux. But I really don't like C++, and I don't want this to turn in to a 3rd-party-library-fest. Not that it's a huge deal, but it's 2010.. anything for basic data management should be built in. And targetting Linux is really not a priority. Note that no "total" alternatives are OK as suggested in other similar questions on SO I've seen; java, RealBasic, mono.. this is an extremely performance intensive application doing soft realtime for game/simulation purposes, I need C & friends here to do it right (maybe you don't, but I do)

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  • OOP design for DMS that allows searching and grouping

    - by James P.
    I'd like to make a searchable Document Management System and allow a user to group documents together. On one hand, there would be a functionality that registers/fingerprints in a linear fashion and, on the other, one that associates documents into groups. How could I compromise between the two in terms of object design?

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  • How can I dynamically load and execute all of the Javascript files in a directory?

    - by Andrew
    I'm making a very simple content-management system in Javascript. It uses plugins which are individual .js files which live in a "modules" folder. Currently I'm loading them with JQuery's getScript() function, but I have to manually define the list of available modules. Is there any way to dynamically load the list of Javascript files so that the user can install additional modules by simply dropping them into the "modules" folder?

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  • Does SQL Server have any kind of magic undo feature?

    - by Andrew G. Johnson
    Long story short is I tried to quickly update a single row in SQL Server using the Management studio and just typed UPDATE table SET column='value' and forgot the WHERE other_column='other_value' portion. Went for lunch, came back and theres 15 unread emails waiting for me. Happened about an hour ago, waiting for the database guy to come back to see when the last backup was. There's no magic UNDO feature though is there?

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  • Is it possible to have a connection to LotusNotes and use it as a data source for a C# project?

    - by AlexFreitas
    Is it possible to have a connection to LotusNotes and use it as a data source for a C# project? We use LN for email/calendar. Management wants a web page that would interact with the calendar. I think this can all be done within Notes, but I would much rather do it in .NET. Some very specific functionality is wanted, some of which I'm not really sure can even be done in Notes.

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  • What causes MSSQL to return the message 'The statement has been terminated'?

    - by Wally Lawless
    I have a very simple INSERT statement being executed from a PHP script running on a Linux Apache web server. I can run the query fine from within SQL Management Studio and it normally runs fine from PHP as well. However, every once in awhile I get an error message from my PHP script that the query failed and the mssql_get_last_message() function returns 'The statement has been terminated'. What sources can cause this message to be returned from MSSQL?

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  • Powershell Get-Process cannot connect to remote computer

    - by amandion
    I've been struggling with this for a few hours and can't figure this out. I have two Windows 7 computers. One is my workstation that is using Powershell to do administrative maintenance. The other is the machine I'd like to use Powershell remoting on to execute remote Powershell cmdlets on. On both computers, I've enabled Powershell remoting and added all computers to TrustedHosts with the * value. On the remote computer, I've started the Remote registry service and ensured that the DCOM, Winmgmt and the Winrm services are running. Firewall is disabled on remote machine too. The cmdlet I try to run is: Get-Process -ComputerName $name Where $name is the name of the remote machine. I keep getting an error saying that it could not connect to the remote PC. I've also tried using the IP and I get the same error. These PCs are not in a domain. I am able to do the following successfully: Invoke-Command {get-Process} -ComputerName $name -Credential $creds Where $name is the machine name and $creds is the user name and password for the remote computer's local Admin account. This gives me the same output I would expect. While this is an acceptable workaround, I am curious, why doesn't using get-process with remoting work as it should? I've seen a few articles on the web suggesting people have had success with it on its own. Each time I am using Powershell on my workstation with elevated privileges. Any ideas?

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  • Android - viewing SQLite databases on device?

    - by kape123
    Is there any tool that will allow me to browse databases on my Android device? Something like Sql Management Studio - you know GUI tool that displays databases, tables, row in tables, etc. I'm using Eclipse for development (if it is important for plug-in suggestions). Thanks!

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  • Connecting to a fresh SQL Server installation

    - by ripper234
    I know mysql, and I'd like to learn sqlserver. I'm currently stuck on the basics of basics: How to install and configure sql server How to connect to it I installed Sql Server through Web Platform Installer, and have Visual Studio 2008 installed. Still, I can't understand how to connect to my server: I see that the SQL service itself (SQLEXPRESS) is running in both in services.msc and Sql Server Configuration Manager I try to connect to it via the Management Studio, but I don't understand what to do. Where do I begin?

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  • Is there a good IDE for SQLite ?

    - by Chris Conway
    Is there a tool out there that can interact with a SQLite database in a similar way that TOAD works with Oracle or Management Studio works with SQL Server? I'm looking for something that visually shows table structures, views, etc. Looking to target the Windows platform (preferably Vista). Thanks!

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  • Scability of .NET webservices

    - by Mmarquee
    Can anyone help me with a question about webservices and scalability? I have written a webservice as a facade into our document management system and need to think about scalability issues. What areas should I be looking at to ensure performance and availability? Thanks in advance

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  • Useful PowerShell Modules

    - by Andy White
    What are the best or most useful dev-related PowerShell modules that exist today? Not looking for sys admin management tools for Active Directory/Microsoft Exchange/etc., but more for development utilities. Please list one module per answer, so they can be voted up accordingly. I'll provide a few to start off.

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  • How to get the name of a placemark using google earth api?

    - by user1444402
    I'm trying to create a web page where an user could manage diferent placemark. The management is based on create, drag and drop and delete placemarks. At the moment, I've achieved to create multiple placemarks and drag&drop them but I'm not able to delete it because I cannot identify them individually. I'm using the google earth api examples1 but I cannot find this functionality. I want to get the name of the different placemarks, any idea?

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  • Auto-complete editor for SQL statement

    - by Stan
    Is there any plugings or text editor to auto-complete SQL statement? I am using SQL Server Management Studio (ssms) 90% of time, but most of time I have to type SELECT FROM WITH(NOLOCK) WHERE blahblah. Trying to find a more efficient way. Thanks.

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  • Sql2005 Setup Problem

    - by KareemSaad
    When I setup sql2005 this problem appear Minimum Hardware Requirement (Warning) Messages Minimum Hardware Requirement The current system does not meet the minimum hardware requirements for this SQL Server release. For detailed hardware and software requirements, see the readme file or SQL Server Books Online. and I continued setup but I couldnot found sql management studio tools in start menue

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  • Authentication mechanism comparison

    - by Heavy Bytes
    I have to start a new project where user authentication/management will be required. A lot of websites use existing authentication mechanisms like facebook/twitter/openID/google/etc (even SO). While I might understand that they are used to simplify some parts of this workflow can someone enumerate the pluses and minuses of using one of these authentication mechanisms vs. an usual user creation and what should I look for when I do this? Thanks in advance!

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  • External user domain in grails

    - by archer
    We're currently using Acegi 0.5.2 plugin for Grails 1.2.1. However, we're going to move our user management to external CRM. What would be the best way to link existing Person domain with external CRM entity?

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  • Tools for website/web application load testing?

    - by zarko.susnjar
    Before going into production, our client demands actual numbers of how many users our web application can handle. We have all kinds of features implemented including asset management (file uploads/downloads), documents import/export, various statistics, web-services etc. Which tool (or set of tools) could do this? Application details: XHTML/jQuery Coldfusion 8 SQL Server 2008 Windows Server 2008

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