Re: Memory usage of auto-vacuum

From: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
To: Gael Le Mignot <gael(at)pilotsystems(dot)net>
Cc: Guillaume Lelarge <guillaume(at)lelarge(dot)info>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Memory usage of auto-vacuum
Date: 2011-07-09 12:15:11
Message-ID: 4E18464F.1040209@postnewspapers.com.au
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On 9/07/2011 4:43 PM, Gael Le Mignot wrote:

> maintenance_work_mem is at 16Mb, shared_buffers at 24Mb.

Woah, what? And you're hitting a gigabyte for autovacuum? Yikes. That
just doesn't sound right.

Are you using any contrib modules? If so, which ones?

Are you able to post your DDL?

How big is the database? (Not that it should matter).

--
Craig Ringer

POST Newspapers
276 Onslow Rd, Shenton Park
Ph: 08 9381 3088 Fax: 08 9388 2258
ABN: 50 008 917 717
http://www.postnewspapers.com.au/

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