Automated Cleanup With Query Store

Grant Fritchey discusses Query Store’s automated cleanup and also looks at an interesting question:

Query Store has mechanisms for automatically cleaning your data. It is possible to cause them to break down. While presenting a session about the Query Store recently, I was asked what happened if you set the size of the Query Store below the amount of data currently in the store. I didn’t know the answer, so we tried it. Things got a little weird.

Click through to see how weird.

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