Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: performance degradation on kernel upgrade (due to commit ab0a9735e06914ce4d2a94ffa41497dbc142fe7f ) | Date | Fri, 21 Sep 2012 10:17:37 -0400 |
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Jagdish Motwani <jagdish.motwani@elitecore.com> writes:
> Recently i upgraded my kernel from 2.6.29.6 to 2.6.35.14. > > After upgrading i got very poor performance on my postgre database. [...] > Using git bisect, i got commit ab0a9735e06914ce4d2a94ffa41497dbc142fe7f > > Is it a behavior change or am i missing something? Are there any > workarounds for this?
commit ab0a9735e06914ce4d2a94ffa41497dbc142fe7f Author: Christoph Hellwig <hch@lst.de> Date: Thu Oct 29 14:14:04 2009 +0100
blkdev: flush disk cache on ->fsync
This is a data integrity fix, and you really don't want to work around it.
Cheers, Jeff
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