Re: Simple join doesn't use index

From: Filip Rembiałkowski <plk(dot)zuber(at)gmail(dot)com>
To: Alex Vinnik <alvinnik(dot)g(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Simple join doesn't use index
Date: 2013-01-29 00:55:10
Message-ID: CAP_rwwk2JVR6gFZs_j7ASPMctB3xbUeEfVCyiVbrJiKOjZ+eLg@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Mon, Jan 28, 2013 at 5:43 PM, Alex Vinnik <alvinnik(dot)g(at)gmail(dot)com> wrote:

> It sure turned out that default settings are not a good fit.
>

do you know pgtune?
it's a good tool for starters, if you want a fast postgres and don't really
want to learn what's behind the scenes.

random_page_cost=1 might be not what you really want.
it would mean that random reads are as fast as as sequential reads, which
probably is true only for SSD

Filip

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Merlin Moncure 2013-01-29 02:31:32 Re: Simple join doesn't use index
Previous Message Alex Vinnik 2013-01-28 23:43:51 Re: Simple join doesn't use index