Re: Why is my pg_xlog directory so huge?

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Niels Kristian Schjødt <nielskristian(at)autouncle(dot)com>
Cc: postgres performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Why is my pg_xlog directory so huge?
Date: 2013-03-18 09:26:17
Message-ID: CABUevEzBZFjMz_UwiPuxfd1C-9ShutnRWtj5H6yy_1sYWnKy4A@mail.gmail.com
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On Mon, Mar 18, 2013 at 10:14 AM, Niels Kristian Schjødt
<nielskristian(at)autouncle(dot)com> wrote:
> After installing my new server I just discovered something that doesn't seem right:
>
> sudo du -h /var/lib/postgresql/9.2/main

<snip>

> As you can see the pg_xlog folder is 202G, which is more than my entire database - this seems wrong to me, however I have no clue why this would happen.

My first guess would be that your archive_command is failing - so
check your logs for that. If that command fails, no xlog files will
ever be rotated (since it would invalidate your backups).

--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/

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