From: Andrea Arcangeli <andrea@suse.de>
To: Brian Strand <bstrand@switchmanagement.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2x Oracle slowdown from 2.2.16 to 2.4.4
Date: Wed, 11 Jul 2001 03:15:56 +0200 [thread overview]
Message-ID: <20010711031556.A3496@athlon.random> (raw)
In-Reply-To: <3B4BA19C.3050706@switchmanagement.com>
In-Reply-To: <3B4BA19C.3050706@switchmanagement.com>; from bstrand@switchmanagement.com on Tue, Jul 10, 2001 at 05:45:16PM -0700
On Tue, Jul 10, 2001 at 05:45:16PM -0700, Brian Strand wrote:
> We are running 3 Oracle servers, each dual CPU, 1 1GB and 2 2GB memory,
> between 36-180GB of RAID. On June 26, I upgraded all boxes from Suse
> 7.0 to Suse 7.2 (going from kernel version 2.2.16-40 to 2.4.4-14).
> Reviewing Oracle job times (jobs range from a few minutes to 10 hours)
> before and after, performance is almost exactly twice as poor after the
> upgrade versus before the upgrade. Nothing in the hardware or Oracle
> configuration has changed on any server. Does anyone have any ideas as
> to what might cause this?
We need to restrict the problem. How are you using Oracle? Through any
filesystem? If yes which one? Or with rawio? Is your workload cached
most of the time or not?
thanks,
Andrea
next prev parent reply other threads:[~2001-07-11 1:15 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-11 0:45 2x Oracle slowdown from 2.2.16 to 2.4.4 Brian Strand
2001-07-11 1:15 ` Andrea Arcangeli [this message]
2001-07-11 16:44 ` Brian Strand
2001-07-11 17:08 ` Andrea Arcangeli
2001-07-11 17:23 ` Chris Mason
2001-07-11 23:03 ` Lance Larsh
2001-07-11 23:46 ` Brian Strand
2001-07-12 15:21 ` Lance Larsh
2001-07-12 21:31 ` Hans Reiser
2001-07-12 21:51 ` Chris Mason
2001-07-13 3:00 ` Andrew Morton
2001-07-13 4:17 ` Andrew Morton
2001-07-13 15:36 ` Jeffrey W. Baker
2001-07-13 15:49 ` Andrew Morton
2001-07-16 22:03 ` Stephen C. Tweedie
2001-07-12 0:23 ` Chris Mason
2001-07-12 14:48 ` Lance Larsh
2001-07-12 2:30 ` Andrea Arcangeli
2001-07-12 9:26 ` [lvm-devel] " Andi Kleen
2001-07-12 9:45 ` Andrea Arcangeli
2001-07-12 17:04 ` Andreas Dilger
2001-07-12 18:18 ` Andrea Arcangeli
2001-07-12 22:55 ` Andrea Arcangeli
2001-07-13 7:35 ` Andreas Dilger
2001-07-13 16:07 ` Andrea Arcangeli
2001-07-12 6:12 ` parviz dey
2001-07-11 2:58 ` Jeff V. Merkey
2001-07-11 15:55 ` Brian Strand
2001-07-11 2:59 ` Jeff V. Merkey
[not found] <Pine.LNX.4.21.0107111530170.2342-100000@llarsh-pc3.us.oracle.com.suse.lists.linux.kernel>
2001-07-12 10:14 ` Andi Kleen
2001-07-12 14:22 ` Chris Mason
2001-07-12 16:09 ` Lance Larsh
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