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Re: Memory question

From: Jonathan Gardner <jgardner(at)jonathangardner(dot)net>
To: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>,Patrick Hatcher <PHatcher(at)macys(dot)com>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Memory question
Date: 2003-06-30 16:02:12
Message-ID: 200306300902.13161.jgardner@jonathangardner.net (view raw or flat)
Thread:
Lists: pgsql-performance
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On Friday 27 June 2003 12:44, scott.marlowe wrote:
> This is actually normal.  Look at the amount cached: 6257620K.  That's
> 6.2Gig of cache.  Linux is using only 6517776k - 6257620k of memory, the
> rest is just acting as kernel cache.  If anything tries to allocate a bit
> of memory, linux will flush enough cache to give the memory to the
> application that needs it.
>

I think it is appropriate to add that the Linux kernel does this in an 
extremely innovative and intelligent way. The more room you give your kernel 
to cache, the more responsive it is going to be.

- -- 
Jonathan Gardner <jgardner(at)jonathangardner(dot)net>
(was jgardn(at)alumni(dot)washington(dot)edu)
Live Free, Use Linux!
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