Re: How to keep a table in memory?

From: Devrim GÜNDÜZ <devrim(at)CommandPrompt(dot)com>
To: Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org, Andrew Dunstan <andrew(at)dunslane(dot)net>, Alex Drobychev <adrobj(at)yahoo(dot)com>, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Subject: Re: How to keep a table in memory?
Date: 2007-11-13 02:47:19
Message-ID: 1194922039.6310.51.camel@localhost.localdomain
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Hi,

On Mon, 2007-11-12 at 21:15 -0500, Robert Treat wrote:
> > 2. you should investigate one or more of: pg_memcache, solid state
> > disk.
>
> you might also consider creating a tablespace on tmpfs or ramfs or
> something like pramfs

IIRC, ramfs are not that good for database use: If you want to extend
its size, you have to stop the database instance -- which is not
considered good.

Regards,
--
Devrim GÜNDÜZ , RHCE
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
Managed Services, Shared and Dedicated Hosting
Co-Authors: plPHP, ODBCng - http://www.commandprompt.com/

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