Re: Synchronous Commit Doc Patch

From: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
To: "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>
Cc: <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Synchronous Commit Doc Patch
Date: 2007-07-13 18:11:54
Message-ID: 1184350314.4512.286.camel@ebony.site
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On Fri, 2007-07-13 at 12:38 -0500, Jim C. Nasby wrote:
> One question... can operations that shortcut the WAL by fsyncing direct
> to disk also use async commit? I suspect the answer is an implicit "no"
> because the only examples I can think of all involve DDL, but it's
> probably worth spelling that out...

They can, but the WAL-avoiding ops are all designed for bulk ops, so
you'll get something like 0.0001% benefit by using async commit for
them.

They are just as safe/unsafe as other async commits.

Thanks for reading.

--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com

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