Re: Memory question - Mailing list pgsql-performance

From Jonathan Gardner
Subject Re: Memory question
Date
Msg-id 200306300902.13161.jgardner@jonathangardner.net
Whole thread Raw
In response to Re: Memory question  ("scott.marlowe" <scott.marlowe@ihs.com>)
List pgsql-performance
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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!
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.1 (GNU/Linux)

iD8DBQE/AF8EWgwF3QvpWNwRArmVAJwK5C2ExmS8Rayrne33UJ0KZZM4UgCgq7b5
3J1LGtofgtnKq/bPtF75lNI=
=4Not
-----END PGP SIGNATURE-----

pgsql-performance by date:

Previous
From: Thomas Swan
Date:
Subject: Re: Memory question
Next
From: "Robert Wille"
Date:
Subject: Query planner plans very inefficient plans