Re: Memory usage of auto-vacuum - Mailing list pgsql-performance

From Craig Ringer
Subject Re: Memory usage of auto-vacuum
Date
Msg-id 4E1811F3.80705@postnewspapers.com.au
Whole thread Raw
In response to Memory usage of auto-vacuum  (Gael Le Mignot <gael@pilotsystems.net>)
Responses Re: Memory usage of auto-vacuum
List pgsql-performance
On 9/07/2011 3:25 PM, Gael Le Mignot wrote:
>
> Hello,
>
> We are running  a PostgreSQL 8.4 database, with  two tables containing a
> lot (>  1 million) moderatly  small rows. It contains some btree indexes,
> and one of the two tables contains a gin full-text index.
>
> We noticed  that the  autovacuum process  tend to use  a lot  of memory,
> bumping the postgres process near 1Gb while it's running.

What is maintenance_work_mem set to in postgresql.conf?

--
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/

pgsql-performance by date:

Previous
From: Heikki Linnakangas
Date:
Subject: Re: issue with query optimizer when joining two partitioned tables
Next
From: Guillaume Lelarge
Date:
Subject: Re: Memory usage of auto-vacuum