Brent Ozar shares some findings from his SQL ConstantCare service:
Let’s look at a sample day from last week when 562 servers sent in data (out of the users who agreed to share their data to improve recommendations):
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No one was using the -x startup flag
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No one had known-dangerous third party modules installed
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No one was running a 32-bit SQL Server
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No one had high memory usage for in-memory OLTP (Hekaton)
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No one’s plan cache had been erased recently (aside from server restarts)
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No one needed to restart to fix a TempDB file configuration mismatch in the DMVs
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Everyone on 2016 Standard Edition had patched to SP1 to get the free features
Read on to see the rules that customers are struggling with the most, as well as some thoughts on a scenario where a broken rule might not be that important.