Re: performance tuning in large function / transaction

Stephan Szabo <sszabo@megazone23.bigpanda.com>

From: Stephan Szabo <sszabo@megazone23.bigpanda.com>
To: MindTerm <mindterm@yahoo.com>
Cc: <pgsql-sql@postgresql.org>
Date: 2001-12-14T03:02:05Z
Lists: pgsql-sql
On Thu, 13 Dec 2001, MindTerm wrote:

>   I am writing a function (plpgsql) which equals to a
> single transaction transaction in postgresql ( as I
> known ). So I think that it is not a autocommmit mode.
>
>   I have add following lines in postgresql.conf.
>
> postgresql.conf:
> ====================
> shared_buffers = 640
> wal_buffers = 80

It depends on how much memory you have, but even 640 is pretty
low (I think that works out to 5M).  Probably a few thousand
is better if you've got the ram.