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

max_fsm_pages and check_points

From: ALVARO ARCILA <arcila_alvaro(at)hotmail(dot)com>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: max_fsm_pages and check_points
Date: 2006-12-20 05:31:21
Message-ID: BAY121-W16DAEF170C0B7B617356B083CF0@phx.gbl (view raw or flat)
Thread:
Lists: pgsql-performance
HI,
 
I've looking around the log files of my server and lately they indicate that I should consider increase the check_point segments because they're beeing reading too often and also recommend increasing the max_fsm_pages over 169728...
 
those are the config values present in the postgresql.conf
 
shared_buffers = 1000                             # min 16 or max_connections*2, 8KB eachwork_mem = 8192                                  # min 64, size in KBmaintenance_work_mem = 262152           # min 1024, size in KBmax_fsm_pages = 40000                          # min max_fsm_relations*16, 6 bytes eachmax_fsm_relations = 2000                        # min 100, ~70 bytes each
 
 
And the new values, acording to the HNIT in log files ...
 
shared_buffers = 1000                             # min 16 or max_connections*2, 8KB eachwork_mem = 8192                                  # min 64, size in KBmaintenance_work_mem = 262152           # min 1024, size in KBmax_fsm_pages = 170000                        # min max_fsm_relations*16, 6 bytes eachmax_fsm_relations = 10625                      # min 100, ~70 bytes each
 
 
 
_________________________________________________________________
Consigue el nuevo Windows Live Messenger
http://get.live.com/messenger/overview

Responses

pgsql-performance by date

Next:From: Brian HerlihyDate: 2006-12-20 07:19:39
Subject: GROUP BY vs DISTINCT
Previous:From: Jeremy HaileDate: 2006-12-19 20:47:56
Subject: Re: Inner join vs where-clause subquery

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