pg.ddx.io  pgsql-admin@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Evan Rempel <erempel@uvic.ca>
To: pgsql-admin@postgresql.org
Subject: Re: WAL rotation question version 8.3.0
Date: Thu, 15 May 2008 14:16:49 -0700
Message-ID: <482CA841.8000605@uvic.ca> (raw)
In-Reply-To: <20080515211353.GO8221@alvh.no-ip.org>
References: <482CA173.7020204@uvic.ca>
	<20080515211353.GO8221@alvh.no-ip.org>

Alvaro Herrera wrote:
> Evan Rempel wrote:
> 
>> Now to the question.
>>
>> Once the archive_command starts lying about its success, postgresql  deletes
>> a number of the xlog files that it has been told have been successfuly archived.
>> Why does it do this? Can I control it? Can I turn it off?
> 
> Because they're no longer needed.
> 
> If you want to keep those files, make the archive_command not lie.


Normally posgres will rename the old WAL files that have been archived and are no longer needed,
keeping the number of WAL files constant. In this case, it actually deletes them.
Why is the behaviour different?

-- 
Evan Rempel



view thread (5+ messages)  latest in thread

Message-ID: <482CA841.8000605@uvic.ca>
Permalink:  ../482CA841.8000605@uvic.ca/
Also on:    postgresql.org/message-id/482CA841.8000605@uvic.ca

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-admin@postgresql.org
  Cc: erempel@uvic.ca
  Subject: Re: WAL rotation question version 8.3.0
  In-Reply-To: <482CA841.8000605@uvic.ca>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox