From: | Steve Singer <ssinger(at)ca(dot)afilias(dot)info> |
---|---|
To: | Greg Smith <greg(at)2ndquadrant(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: We really ought to do something about O_DIRECT and data=journalled on ext4 |
Date: | 2010-12-07 00:43:15 |
Message-ID: | 4CFD8323.6030204@ca.afilias.info |
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Thread: | |
Lists: | pgsql-hackers |
On 10-12-06 06:56 PM, Greg Smith wrote:
> Tom Lane wrote:
>> The various testing that's been reported so far is all for
>> Linux and thus doesn't directly address the question of whether other
>> kernels will have similar performance properties.
>
> Survey of some popular platforms:
>
<snip>
> So my guess is that some small percentage of Windows users might notice
> a change here, and some testing on FreeBSD would be useful too. That's
> about it for platforms that I think anybody needs to worry about.
If you tell me which options to pgbench and which .conf file settings
you'd like to see I can probably arrange to run some tests on AIX.
>
> --
> Greg Smith 2ndQuadrant USgreg(at)2ndQuadrant(dot)com Baltimore, MD
> PostgreSQL Training, Services and Supportwww.2ndQuadrant.us
> "PostgreSQL 9.0 High Performance":http://www.2ndQuadrant.com/books
>
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Previous Message | Josh Berkus | 2010-12-07 00:41:06 | Re: [PATCH] Revert default wal_sync_method to fdatasync on Linux 2.6.33+ |