Re: how test postgresql.conf settings?

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Chandra Sekhar Surapaneni <chandu(at)positivenetworks(dot)net>
Cc: Arnau Rebassa Villalonga <arebassa(at)androme(dot)es>, pgsql-admin(at)postgresql(dot)org
Subject: Re: how test postgresql.conf settings?
Date: 2006-02-19 04:10:56
Message-ID: 43F7EFD0.9040404@commandprompt.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

Chandra Sekhar Surapaneni wrote:
> If you HUP the database or reload the database the changes will take
> effect. Only in a very few cases you will have to restart the
> database. Can you give us more information regarding what changes you
> made to the postgresql.conf?
The annotated postgresql conf give you that info... www.powerpostgresql.com

>
> -Chandra Sekhar Surapaneni
>
> ------------------------------------------------------------------------
> *From:* pgsql-admin-owner(at)postgresql(dot)org on behalf of Arnau Rebassa
> Villalonga
> *Sent:* Wed 2/15/2006 4:39 AM
> *To:* pgsql-admin(at)postgresql(dot)org
> *Subject:* [ADMIN] how test postgresql.conf settings?
>
> Hi all,
>
> I'm testing different configurations of postgresql 8.1 running on
> debian. The method I was following was:
> - change the postgresql.conf
> - restart postgres (/etc/init.d/postgresql restart )
> - execute my test queries
>
> I have noticed that this is not enough to flush the cache, I don't
> know where it is, if at the raid controller, at OS or at postgresql
> itself. Reboot the machine I don't think it's a good solution because it
> takes quite long. Do you have any suggestion? BTW is there any tool to
> stress the DB, I mean, create a set of queries to execute and throw a
> configurable set of concurrent connections to check the performance?
>
>
> Thanks to all
> --
> Arnau
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>

--
The PostgreSQL Company - Command Prompt, Inc. 1.503.667.4564
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
Managed Services, Shared and Dedicated Hosting
Co-Authors: PLphp, PLperl - http://www.commandprompt.com/

In response to

Browse pgsql-admin by date

  From Date Subject
Next Message fathur rohman 2006-02-20 04:27:50 Re: Function Parameter Problem
Previous Message Chandra Sekhar Surapaneni 2006-02-19 03:42:50 Re: how test postgresql.conf settings?