From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Simon Riggs <simon(at)2ndQuadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Aidan Van Dyk <aidan(at)highrise(dot)ca>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL |
Date: | 2010-03-19 12:50:34 |
Message-ID: | 4BA3731A.8080809@enterprisedb.com |
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Lists: | pgsql-committers pgsql-docs pgsql-hackers |
Tom Lane wrote:
> Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
>> Simon Riggs wrote:
>>> We might also have written half a file many times. The files in pg_xlog
>>> are suspect whereas the files in the archive are not. If we have both we
>>> should prefer the archive.
>
>> Yep.
>
> Really? That will result in a change in the longstanding behavior of
> ordinary recovery.
Really? Not as far as I can see. Recovery has always tried to restore
WAL files from archive first, falling back to the copy in pg_xlog only
if restore_command returns failure.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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