I think this is worth sharing for those of you who are handling performance issues. Some things to check for that I collated with SQL/ TFS Product team while troubleshooting performance issues.
- Where any updates installed on the machine (check the Control Panel -> Updates)
- Any changes in the storage where the SQL files are (DATA, LOG, TEMPDBs)?
- How many tempdb files do customers have? Make sure they have exactly same number of TEMPDB data files and that the files are of the same...(read more)
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