![]() ![]() ![]() However, I have seen some procs kill tempdb quickly like this one… just to return analysis info… I myself like to dig into the procedure cache individually for the production env Usually it’s some rogue developer causing havoc. Test in your lab on your apps before you need it if you can.ĭBCC FREESYSTEMCACHE (‘ALL’) - clean system cacheĭBCC FREESESSIONCACHE - clean session cacheĭBCC SHRINKDATABASE(tempdb, 10) - shrink tempdbĭbcc shrinkfile (‘tempdev’) - shrink default db fileĭbcc shrinkfile (‘tempdev2’) - shrink db file tempdev2ĭbcc shrinkfile (‘tempdev3’) - shrink db file tempdev3ĭbcc shrinkfile (‘tempdev4’) - shrink db file tempdev4ĭbcc shrinkfile (‘templog’) - shrink log file How long the whole script takes to run depends on a lot of factors.ĭisclaimer: we are not talking financial transactions or other end of the world type stuff where the transactions cannot be re submitted. Performance would be demonstrably quicker in a minute or so. a Hail Mary script) I have run the script below (modified to suit the number and naming convention of the tempdb files. When I just couldn’t wait, services are starting to timeout and running ‘ĭBCC FREEPROCCACHE’ has not helped and alerts are going off everywhere (i.e. We have a couple of instances where we can’t restart the instance without involving the 3rd party vendor, less than Ideal, we are working on that.įor now we have added a separate drive for tempdb and pregrown the tempdb much like several months ago. I almost threw in the towel and emailed out that the space issue would be fixed during our next patching window, but then I found David Levy’s reply. I tried shrinking each of the 8 data files plus CHECKPOINTs, repeatedly. I came across this solution recently when I had to shrink tempdb. ![]() So you try to shrink tempdb, but it just won’t shrink. the user promised to never do that again.the storage team is not going to give you more space.If a user ran an atrocious adhoc query that caused your tempdb to grow so much that it caused your disk space alert to fire and: Or perhaps you needed the alerts to stop. Paul Randal let us know that this is no longer a problem. It used to be that we were warned against shrinking tempdb because it could cause corruption, so your only recourse was to restart the SQL Server service. I am not a proponent of shrinking databases, but sometimes you have to because your momma said to. ![]()
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