From: Markus Schaber <schabi@logix-tt.com>
To: Francisco Reyes <lists@stringsutils.com>
Cc: Pgsql performance <pgsql-performance@postgresql.org>
Subject: Re: Vacuums on large busy databases
Date: Fri, 15 Sep 2006 11:48:07 +0200
Message-ID: <450A76D7.4080107@logix-tt.com> (raw)
In-Reply-To: <cone.1158247381.60704.30981.1000@zoraida.natserv.net>
References: <cone.1158247381.60704.30981.1000@zoraida.natserv.net>
Hi, Francisco,
Francisco Reyes wrote:
> I am looking to either improve the time of the vacuum or decrease it's
> impact on the loads.
> Are the variables:
> #vacuum_cost_delay = 0 # 0-1000 milliseconds
> #vacuum_cost_page_hit = 1 # 0-10000 credits
> #vacuum_cost_page_miss = 10 # 0-10000 credits
> #vacuum_cost_page_dirty = 20 # 0-10000 credits
> #vacuum_cost_limit = 200 # 0-10000 credits
Just to avoid a silly mistake:
You pasted those settings with # sign, that means that PostgreSQL does
treat them as comments, and uses the defaults instead. You should make
shure that you use "real" settings in your config.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
www.nosoftwarepatents.org
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To: pgsql-performance@postgresql.org
Cc: schabi@logix-tt.com, lists@stringsutils.com
Subject: Re: Vacuums on large busy databases
In-Reply-To: <450A76D7.4080107@logix-tt.com>
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