Keeping Up To Date

Daniel Janik shows that query-level wait stats depend on the version of Management Studio:

The waitstats don’t appear at all in my older Surface which has a newer version of SQL. So what is 4202.2?  It’s a refresh for Master Data Services and R. Could that really have broken my query plan waitstats?

I doubt it but maybe. I updated to make the two equal. Did the waitstats go away?

No.

When reading the solution, it seems obvious, but this is a good reminder that there are a lot of moving parts here, and one of the early troubleshooting steps for “It works here, so why not over here?” types of issues is to make sure software is at the same version number.

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Upgrading A Cluster To Windows Server 2016

Ryan Adams shows how to upgrade a failover cluster running Windows Server 2012 R2 to Windows Server 2016 without having to start from scratch: Starting in Windows Server 2012 R2 you now have a way to upgrade a cluster to Windows 2016.  The best part is it’s not an OS upgrade, but a rebuild.  The […]

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Actual Execution Plan Enhancements

Pedro Lopes points out some additional data available in the properties section when you generate an actual execution plan: Looking at the actual execution plan is one of the most used performance troubleshooting techniques. Having information on elapsed CPU time and overall execution time, together with session wait information in an actual execution plan allows […]

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