From: vda <vda@port.imtp.ilyichevsk.odessa.ua>
To: Ken Brownfield <brownfld@irridia.com>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.>=13 VM/kswapd/shmem/Oracle issue (was Re: Google's mm problems)
Date: Fri, 9 Nov 2001 22:39:11 +0000 [thread overview]
Message-ID: <01110922391101.00807@nemo> (raw)
In-Reply-To: <E15yhyY-0000Yb-00@starship.berlin> <20011109033851.A15099@asooo.flowerfire.com>
In-Reply-To: <20011109033851.A15099@asooo.flowerfire.com>
On Friday 09 November 2001 09:38, Ken Brownfield wrote:
> We're seeing an easily reproducible problem that I believe to be along
> the same lines as what Google is seeing. I'm not sure if Oracle's SGA
> (shmem) can be mlock()ed, but I'm guessing there's a state analogous to
> Solaris' ISM. We're seeing this on a 4GB machine with HIGHMEM/HIGHMEM4G
> set, using 2.4.1{3,4,5-pre1}.
[SNIP]
Oracle is a horrendous memory hog.
Looks like it's getting more bloated with each next release.
If I will start some seriuos database programming,
I will try PostgreSQL first... it is at least Open Source,
we can see what's inside.
> Basically, this problem makes it impossible to run Oracle on Linux,
> which is really a massive problem from our point of view. If someone
> could show me how to provide more useful information or further debug
> this problem, I would greatly appreciate it. This includes specific
> alternate kernels, or perhaps without HIGHMEM4G or HIGHMEM.
Whee, looks like you guys really willing to resolve this...
Pity I can't do anything for you. Let's hope some VM folks will be
interested.
--
vda
next prev parent reply other threads:[~2001-11-09 20:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-30 23:07 Google's mm problems Daniel Phillips
2001-11-01 20:00 ` Google's mm problems with 2.4.13 and 4G of memory Sven Heinicke
2001-11-02 22:24 ` Daniel Phillips
2001-11-03 20:56 ` Google's mm problems Christian Ehrhardt
2001-11-04 3:29 ` Daniel Phillips
2001-11-05 16:10 ` Sven Heinicke
2001-11-09 9:38 ` 2.4.>=13 VM/kswapd/shmem/Oracle issue (was Re: Google's mm problems) Ken Brownfield
2001-11-09 22:39 ` vda [this message]
2001-11-15 17:40 ` Andrea Arcangeli
2001-11-15 17:48 ` Arjan van de Ven
2001-11-17 15:54 ` Andrea Arcangeli
2001-11-18 6:17 ` Mike Galbraith
2001-11-18 6:27 ` Andrea Arcangeli
2001-11-18 7:14 ` Mike Galbraith
2001-11-15 20:07 ` Ken Brownfield
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