perc 4 write performance after upgrading to debian lenny

Desai, Jason jase at sensis.com
Fri Jul 17 09:24:02 CDT 2009


> Thanks so much for pointing that out.  Any ideas on how to proceed
> diagnosing the poor performance?  Is there a benchmark I can post to
> the
> list for the boxes to help accurately determine what exactly my read /
> write performance is?

Are you maybe hitting this bug?
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=516815

I've hit this on at least one server.  Reverting to the 2.6.18 kernel
seems to resolve the load issue, but may introduce others.

Jase

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