background fsck high load on 8.1
Sergi Seira
s.seira at cdmon.com
Fri Apr 1 08:33:00 UTC 2011
Hello,
we've experienced that background fsck on 8.1 degrades server performance on a higher degree than in previous fbsd versions (6.3, 7.3; amd64).
We've noticed it after upgrading - same hardware - to a 8.1-RELEASE.
Now, performance of other services (i.e. apache, mysql) during a background fsck falls miserably.
Is there any way to calm fsck down?, nice(1)?, some sysctl?
We have also gmirror, but we prevent to rebuild it if there is a fsck running in background.
Thanks for your help,
regards,
Sergi
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