SQLDIAG is a great tool that was introduced in SQL Server 2005 to help co-ordinate the collection of perfmon logs and SQLTraces as well as gathering other system data. In this session you’ll learn how to configure, customize and run SQLDIAG as well as the perfstats script from Microsoft which adds locking, blocking and wait stats to the list of collectors that SQLDIAG co-ordinates. This tool is one of the secrets of the trade for efficient data collection and this session is a must for anyone not using it extensively already. Using the output from sqldiag we'll then look at SQLNexus to analyze the results. I'll show you how to configure, run and draw conclusions from the reports created by this tool which is by far the most useful piece of software in the troubleshooting kit bag of people that have taken the time to learn it. This session is based on 2 chapters from Professional SQL Server 2008 Internals and Troubleshooting.
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