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SQL Server 2005 and Disk drive allocation unit size to 64K - any benefit or performance?

Published 28 April 8 3:1 AM | SSQA.net

You may be aware that or seen within your Database platform about slower disk performance than expect having multiple disks in Windows Server 2003 environment when you use a hardware-based redundant array of independent disks (RAID) or a software-based...

Filed under: sql server, performance, microsoft, technet, i/o, article, disk, best practices, monitoring, deployment, layout

BI Virtual labs on MSDN - specific to data mining and top 10 classed in Tech-ed.

Published 26 February 8 4:45 AM | SSQA.net

As blogged here before Virtual Labs are very handy for the new users and existing professionals to test out new features without disturbing their own platform. In this scenario Microsoft events are helping the users by providing access to their virtual...

Filed under: sql server, performance, microsoft, technet, data mining, version, virtual, labs, 2005, loading

SQL Server: How do I identify the queries that are worth tuning?

Published 16 November 7 7:2 AM | SSQA.net

Have you ever asked this question about how do I identify the queries that worth tuning? The simple answer it is neither easy or hard to obtain such information if you have managed your SQL Server by deploying industry best practices (wherever possible...

Filed under: sql server, performance, management, microsoft, blogs, technet, dmv, dba, best practice, slow query

Identifying top 20 most expensive queries in terms of read I/O (referred from Technet Magazine)

Published 15 November 7 7:16 AM | SSQA.net

It is worth mentioning the valueable query I have been through when referring to Technet Magazine, the following query has given me useful information in finding out what are my top 20 most expensive queries that are consuming most of disk I/O (read &...

Filed under: sql server, performance, microsoft, technet, dmv, top, tsql, reads, system resources, expensive query, identity, writes

NTFS Cluster size - if changing the default cluster size on the disk is a good idea or not?

Published 16 October 7 7:18 AM | SSQA.net

You might have come across on the web resources that setting the disk to a 64k cluster size (8 * 8KB pages) might achieve the performance. But have you wondered will this really boost the disk performance, see in what scenario such as lots of reads and...

Filed under: sql server, performance, microsoft, technet, disk, partition, testing, hardware, lun, clustersize