From: Jonathan Gardner <jgardner@jonathangardner.net>
To: scott.marlowe <scott.marlowe@ihs.com>
To: Patrick Hatcher <PHatcher@macys.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Memory question
Date: Mon, 30 Jun 2003 09:02:12 -0700
Message-ID: <200306300902.13161.jgardner@jonathangardner.net> (raw)
In-Reply-To: <Pine.LNX.4.33.0306271341590.964-100000@css120.ihs.com>
References: <Pine.LNX.4.33.0306271341590.964-100000@css120.ihs.com>
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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@jonathangardner.net>
(was jgardn@alumni.washington.edu)
Live Free, Use Linux!
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To: pgsql-performance@postgresql.org
Cc: jgardner@jonathangardner.net, scott.marlowe@ihs.com, PHatcher@macys.com
Subject: Re: Memory question
In-Reply-To: <200306300902.13161.jgardner@jonathangardner.net>
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