Re: Pg 8.3 tuning recommendations for embedded low-memory device (for OLPC :-) )

From: "Martin Langhoff" <martin(dot)langhoff(at)gmail(dot)com>
To: "Robert Treat" <xzilla(at)users(dot)sourceforge(dot)net>
Cc: pgsql-general(at)postgresql(dot)org, "Greg Smith" <gsmith(at)gregsmith(dot)com>, "XS Devel" <server-devel(at)lists(dot)laptop(dot)org>
Subject: Re: Pg 8.3 tuning recommendations for embedded low-memory device (for OLPC :-) )
Date: 2008-09-15 21:46:58
Message-ID: 46a038f90809151446q6834c55foa3be3206c5bc9847@mail.gmail.com
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On Tue, Sep 16, 2008 at 8:36 AM, Robert Treat
<xzilla(at)users(dot)sourceforge(dot)net> wrote:
> Call me crazy, but I think you need to drop postgres and maybe even template0
> databases from the system, just to reduce overall footprint, plus gives you
> less databases to have to keep track of wrt autovacuum and such.

What would be the impact of running w/o postgres and template0? They
seem to take 13MB on a freshly init'd Pg -- I can afford to have them
there if needed. In general, I am not expecting to be super-tight on
disk... (not yet at least)

> Also, if your disk is limited, you might want to play with the
> autovacuum_max_freeze_age and the corresponding vacuum settings to try and
> reduce pg_clog size.

Intriguing. I'll look into those.

thanks!

m
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martin(at)laptop(dot)org -- School Server Architect
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