Re: Tuning for PostGreSQL Database
From: Tom Samplonius (tom_at_sdf.com)
Date: 07/22/03
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Date: Tue, 22 Jul 2003 07:31:23 -0700 (PDT) To: Sean Chittenden <sean@chittenden.org>
On Mon, 21 Jul 2003, Sean Chittenden wrote:
> > > Softupdates on, async off. Softupdates is just a better async.
> >
> > postgresql fsync's all its files before returning from a commit in
> > order to ensure durability, right? Does softupdates interfere with
> > the functioning of sync(2)/fsync(2)?
>
> It can, yes, but that's the risk of soft updates. From tuning(7):
No it can't. Regardless of how softupdates re-orders filesystem
activity, fsync flushes all dirty buffers.
Tom
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