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What's your practice on Disk Defragmentation methods - specific to data file and indexes drives?

Published 26 March 8 3:1 AM | SSQA.net

Fragmentation is dearest friend of database when you need to deal with Performance, so by using the DBCC statements and other methods here you can deal the database level fragmentation, what about the physical level fragmentation? So what is the best...

Filed under: sql server, performance, blogs, dbcc, disk space, object, file, best practice, monitoring, showcontig, defrag, diskkeeper

If MAX WORKER THREADS increased from 255 to 500 what will be the usage or availability of system resources on the server?

Published 15 November 7 9:41 AM | SSQA.net

Continuing on the MAX WORKER THREADS topic from ThisBlog I have been asked about method of calculating the amount of system resources that will be used when the setting is increased to 500 from 255 (default). Well, as one of the best practices you must...

Filed under: sql server, performance, microsoft, server, tuning, dbcc, system, best practice, testing, resources, sqlperf, max worker threads

Rebuild some fragmented indexes - problem with Extent Scan Fragmentation value

Published 24 August 7 6:24 AM | SSQA.net

This was the question from SSP forums, I’m trying to rebuild few fragmented indexes on a table that is updated on regular basis. The “dbcc showcontig” gave this result: Table: 'Confidential' (999999999); index ID: 5, database ID: 5 LEAF level...

Filed under: sql server, performance, security, dbcc, index, table, fragmentation, showcontig, defrag

Error: Could not find row in sysindexes for database. 8966, 823 and 602

Published 14 August 7 4:35 AM | SSQA.net

Long ago, not long ago.... No doubt that many of you might have gone through the error above within your SQL environment, also I see many forum posts out there to resolve the issue. The bottom line of this issue is Hardware and no other issue can contribute...

Filed under: sql server, performance, database, dbcc, checkdb, table, hardware, corrupted, sysindexes, 8966, 823, page

How to get updated page or row count information for the current database?

Published 13 August 7 9:0 AM | SSQA.net

DBCC UPDATEUSAGE (0); GO Best practice to use DBCC UPDATEUSAGE i ntermittently and must if you have upgraded the database from SQL 2000 to 2005. The usual working fashion of this DBCC statement is to correct the rows, used pages, reserved pages, leaf...

Filed under: sql server, performance, database, dbcc, updateusage

Database consistency checks and transaction log is filing up, help?

Published 9 May 7 6:40 AM | SqlServer-QA.net (SSQA)

Yet anothe forums related question I would like to blog, as I have seen in my experience on newsgroups. There will be always a question asking about why Transaction log is filling up and blocking is ocurred when a DBREINDEX & CHECKDB processes are...

Filed under: sql server, performance, transaction log, dbcc, trace, search, concurrency, dba