Re: relaxing sync commit if no WAL written (was Re: unlogged tables)

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: relaxing sync commit if no WAL written (was Re: unlogged tables)
Date: 2010-12-19 12:33:04
Message-ID: AANLkTimDeHKSnaWwmenSOsz3riy=QEPC3SOMrc+tDJ3-@mail.gmail.com
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On Sun, Dec 19, 2010 at 7:01 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On Fri, 2010-12-17 at 13:35 -0500, Robert Haas wrote:
>
>> I'm
>> thinking it makes sense to commit this part first.
>
> This will break Hot Standby, as previously explained. Don't.

Uh, why? Skipping the commit record altogether would do that, but
this patch doesn't do that.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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