Baslining Modern Versions Of SQL Server

Erin Stellato goes back over an older baselining article and gives us some updates in what we should consider for more recent versions:

Last week I got an email from a community member who had read this older article of mine on baselining, and asked if there were any updates related to SQL Server 2016, SQL Server 2017, or vNext (SQL Server 2019). It was a really good question. I haven’t visited that article in a while and so I took the time to re-read it. I’m rather proud to say that what I said then still holds up today.

The fundamentals of baselining are the same as they were back in 2012 when that article was first published. What is different about today? First, there are a lot more metrics in the current release of SQL Server that you can baseline (e.g. more events in Extended Events, new DMVs, new PerfMon counters,  sp_server_diagnostics_component_results). Second, options for capturing baselines have changed. In the article I mostly talked about rolling your own scripts for baselining. If you’re looking to establish baselines for your servers you still have the option to develop your own scripts, but you also can use a third-party tool, and if you’re running SQL Server 2016+ or Azure SQL Database, you can use Query Store.

Read on for more details.

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