Re: COMMIT NOWAIT Performance Option

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Subject: Re: COMMIT NOWAIT Performance Option
Date: 2007-02-28 01:46:48
Message-ID: 1172627208.10824.428.camel@dogma.v10.wvs
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On Tue, 2007-02-27 at 17:40 -0800, Josh Berkus wrote:
> All,
>
> > > But we do don't we? fsync = off, full_page_writes = off?
>
> BTW, our testing seems to indicate that full_page_writes = off is safe on
> Solaris 10 on good hardware. At least, we haven't been able to break it yet.
>

Is that an OS-dependent parameter? I always assumed it depended entirely
on hardware. I have no way to test it for myself though, so I just leave
full_page_writes=on to be safe.

Regards,
Jeff Davis

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