From: Thomas Pundt <mlists@rp-online.de>
To: pgsql-performance@postgresql.org, "Denis Lishtovny" <d.lishtovny@chronopay.com>
Subject: Re: How to determine which indexes are not using or using seldom in database
Date: Mon, 2 Apr 2007 10:45:13 +0200
Message-ID: <200704021045.13239.mlists@rp-online.de> (raw)
In-Reply-To: <20070402081739.696D19FB609@postgresql.org>
References: <20070402081739.696D19FB609@postgresql.org>
Hi,
On Monday 02 April 2007 10:12, Denis Lishtovny wrote:
| I have a lot of tables and indexes in database. I must to determine which
| indexes are not using or using seldon in databese . I enabled all posible
| statistics in config but a can`t uderstand how to do this.
| Thanks.
Try "select * from pg_stat_user_indexes;" - that should give you a good start
to look at.
| p.s for example i need this to reduce database size for increase backup and
| restore speed.
Deleting indexes won't reduce backup size noticeably (but has impact on
restore speed), if you use pg_dump for backup.
Ciao,
Thomas
--
Thomas Pundt <thomas.pundt@rp-online.de> ---- http://rp-online.de/ ----
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To: pgsql-performance@postgresql.org
Cc: mlists@rp-online.de, d.lishtovny@chronopay.com
Subject: Re: How to determine which indexes are not using or using seldom in database
In-Reply-To: <200704021045.13239.mlists@rp-online.de>
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