Re: system cache and buffer cache

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: Praveen Kumar N <praveen_n(at)students(dot)iiit(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: system cache and buffer cache
Date: 2006-09-20 13:56:23
Message-ID: 1158760583.2586.261.camel@holly
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On Tue, 2006-09-19 at 14:59 +0100, Heikki Linnakangas wrote:
> Praveen Kumar N wrote:

> > how about system cache? Can we control the size of system cache?
>
> It's in backend-private memory. I don't remember how it's sized.

It's fixed size: syscache caches a predefined set of catalog info.

--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com

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