Re: simple case using index on windows but not on linux

From: "simon godden" <sgodden(at)gmail(dot)com>
To: "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: simple case using index on windows but not on linux
Date: 2006-10-04 09:19:01
Message-ID: 168519350610040219n648a282hf159ff272e0f672a@mail.gmail.com
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(Sending again because I forgot to reply to all)

On 10/4/06, Heikki Linnakangas <heikki(at)enterprisedb(dot)com> wrote:
> You can increase the max shared memory size if you have root access. See
>
> http://www.postgresql.org/docs/8.1/interactive/kernel-resources.html#SYSVIPC-PARAMETERS
>
> Scroll down for Linux-specific instructions.

Thanks for the link.

Are you saying that the shared memory size is the issue here? Please
can you explain how it would cause a seq scan rather than an index
scan.

I would like to understand the issue before making changes.

--
Simon Godden

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