What should I do if SQL Server TempDB is full?

Question

When investigating a TempDB issue like this, most simply restart the SQL Server instance. It's easy to see why they do – the issue quite often locks up completely, and if a customer wants their server to work again ASAP, then a restart is almost inevitable. A restart will tackle the symptom, but not the cause. 30 мая 2020 г.

How do I free up space on tempdb?

All tempdb files are re-created during startup. However, they are empty and can be removed. To remove additional files in tempdb, use the ALTER DATABASE command by using the REMOVE FILE option. Use the DBCC SHRINKDATABASE command to shrink the tempdb database.

What causes tempdb to fill up?

Most of the time tempdb fills is related to when a user kicks off a long running query and decides to get a cup of coffee, or go out to lunch.

How do I reduce tempdb without resetting?

Shrink Tempdb without restarting SQL Server1Method 1 :2DBCC FREEPROCCACHE.3DBCC DROPCLEANBUFFERS.4DBCC FREESYSTEMCACHE ('ALL')5DBCC FREESESSIONCACHE.6DBCC SHRINKDATABASE(tempdb, 10)7Method 2 :Shrink Tempdb without restarting SQL Server - Sri's SQLDBA Blog

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