Skip site navigation (1) Skip section navigation (2)

Re: Vacuums on large busy databases

From: Markus Schaber <schabi(at)logix-tt(dot)com>
To: Francisco Reyes <lists(at)stringsutils(dot)com>
Cc: Pgsql performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Vacuums on large busy databases
Date: 2006-09-15 09:48:07
Message-ID: 450A76D7.4080107@logix-tt.com (view raw or flat)
Thread:
Lists: pgsql-performance
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

In response to

pgsql-performance by date

Next:From: Guillaume SmetDate: 2006-09-15 10:10:06
Subject: Re: High CPU Load
Previous:From: Markus SchaberDate: 2006-09-15 09:43:58
Subject: Re: High CPU Load

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group