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28 July 2010 13:28

An interesting annecdote

A while ago I blogged about using the dmvs to identify lookups and scans on tables http://sqlblogcasts.com/blogs/grumpyolddba/archive/2010/05/19/analysing-indexes-reducing-scans.aspx Well continuing on from this I had discovered that two of the top scanning...
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16 June 2010 20:15

So which null equals this null, that null? maybe this null, or is it this null?

Tuning takes many routes and I get into some interesting situations and often make some exciting finds, see http://sqlblogcasts.com/blogs/grumpyolddba/archive/2010/05/17/just-when-you-thought-it-was-safe.aspx for an example. Today I encountered a multitude...
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23 March 2010 19:33

Cursors 1 Sets 0

I had an interesting experience with a database I essentially know nothing about. On the server is a database which stores session state, Microsoft provide the code/database with their dot net, so I'm told. Anyway this database has sat happily on...
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19 March 2009 20:39

How to determine that hardware DEP is available and configured on your computer

Well here we are again with another post I’d been saving up until I resolved the images issue. DEP and how it affects memory on your SQL Server!!! Microsoft KB: 912923    MICROSOFT KB: 875352 ===========================================...
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23 November 2008 22:31

Testing Times 3

( I was on holiday for three weeks so sorry for the delays ) In my previous posts I briefly mentioned the task in establishing a method to benchmark a SQL Server new build or migration. This hasn't been an easy task by any means and I am under pressure...
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07 October 2008 15:41

Testing Times 1

It's an interesting time with being asked to performance test/benchmark a new server setup for a migration of sql server and data centre. Both current and new servers are SAN attached and it has been what is effectively the testing of the storage...
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10 June 2008 20:30

Tracking problem indexes in SQL 2000

It’s all so easy(ish) to work within SQL 2005 but the reality is that there are still more SQL 2000 databases than SQL 2005, so I’m told, and I’m supporting one of them right now. I’ve been contemplating on how to get a handle on which of my indexes are...
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03 April 2008 12:53

Disk Partition Alignment ( SANs and Diskpart )

As a further post to my series on what else can affect SQL Server Performance here’s the thorny issue of disk partition alignment. Disclaimer : I don’t get to configure SANs, places I work have dedicated teams and it’s unlikely a DBA would be considered...
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26 March 2008 08:02

Configuring x64 SQL Server

I often read a number of forum posts concerning performance / configuration issues with x64 SQL Server. I've also found some interesting views on how much memory you can allocate to SQL Server on a x64 install ( I don't have any experience of...
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12 March 2008 19:57

Things that may not be right on your SQL server.

Ø When performance is under the spotlight most often the finger is pointed at SQL Server, here’s a short list of things that may impact your server performance. Disclaimer : This is my personal hit list and in no particular order. Out of date drivers...
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