From: Gary Doades <gpd@gpdnet.co.uk>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: Strange Create Index behaviour
Date: Wed, 15 Feb 2006 21:11:15 +0000
Message-ID: <43F398F3.30105@gpdnet.co.uk> (raw)
In-Reply-To: <19510.1140036968@sss.pgh.pa.us>
References: <43F38867.6010701@gpdnet.co.uk>
<19510.1140036968@sss.pgh.pa.us>
Tom Lane wrote:
> shared_buffers is unlikely to impact index build time noticeably in
> recent PG releases. maintenance_work_mem would affect it a lot, though.
> What setting were you using for that?
>
Also, i tried upping maintenance_work_mem to 65536 and it didn't make
much difference (maybe 10% faster for the "normal" cases). Upping the
shared_buffers *definitely* makes the bad cases worse though, but I
agree I don't see why...
Regards,
Gary.
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-performance@postgresql.org
Cc: gpd@gpdnet.co.uk, tgl@sss.pgh.pa.us
Subject: Re: Strange Create Index behaviour
In-Reply-To: <43F398F3.30105@gpdnet.co.uk>
* 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