Re: Simplifying wal_sync_method

From: "Jeffrey W(dot) Baker" <jwbaker(at)acm(dot)org>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Simplifying wal_sync_method
Date: 2005-08-09 05:03:19
Message-ID: 1123563799.6552.1.camel@noodles
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On Mon, 2005-08-08 at 17:03 -0400, Tom Lane wrote:
>
> That's a decision that hasn't got a shred of evidence to justify
> imposing it on every platform.

This option has its uses on Linux, however. In my testing it's good for
a large speedup (20%) on a 10-client pgbench, and a minor improvement
with 100 clients. See my mail of July 14th "O_DIRECT for WAL writes".

-jwb

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