Re: Performance tuning on RedHat Enterprise Linux 3

From: Tony Wasson <ajwasson(at)gmail(dot)com>
To: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Performance tuning on RedHat Enterprise Linux 3
Date: 2004-12-09 15:20:32
Message-ID: 6d8daee30412090720789eacb9@mail.gmail.com
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On Tue, 07 Dec 2004 07:50:44 -0500, P.J. Josh Rovero
<rovero(at)sonalysts(dot)com> wrote:
> There are many reports of kernel problems with memory allocation
> (too agressive) and swap issues with RHEL 3.0 on both RAID
> and non-RAID systems. I hope folks have worked through all
> those issues before blaming postgresql.

We have seen several boxes have kswapd go crazy (near 100% CPU) on
RHEL 3 boxes. Upgrading to kernel 2.4.21-4 fixed this.

Tony Wasson

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