Date: Tue, 12 Apr 2011 15:23:48 +0200 From: Sergi Seira <s.seira@cdmon.com> To: freebsd-stable@freebsd.org Subject: background fsck high load on 8.1 Message-ID: <4DA45264.2090501@cdmon.com>
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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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Sergi Seira i Espunya
Departament de Sistemes
s.seira@cdmon.com
www.cdmon.com
93 567 7577
902 364 138
91 182 2767
ext:161
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