From: Dominique LARCHEY-WENDLING <Dominique.Larchey-Wendling@loria.fr>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] LVM & high system load
Date: Tue, 01 May 2001 17:32:56 +0200 [thread overview]
Message-ID: <3AEED728.75329DD2@loria.fr> (raw)
In-Reply-To: 3AEEAEAA.93304CBB@loria.fr
Dominique LARCHEY-WENDLING wrote:
> relatively poor IO perf. (my cpu is only PII 333) on LVM volumes. I have
> tested reiserfs and ext2fs and I only get about 2.5Mb/s with 100% CPU
> load,
> mostly system time.
More over, doing a CPU intensive task (like kernel comp.) (not involving
LVM, the
sources are not on a LV) cut the IO perf. of LVM fs by half.
So it seems that the LVM is eating a lot of CPU on my system and this is
what is limiting fs perf.
DL
--
Dominique Larchey
LORIA, Nancy, France
Tel. (Work) +33 (0) 3 83 59 20 13
next prev parent reply other threads:[~2001-05-01 15:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-01 12:40 [linux-lvm] LVM & high system load Dominique LARCHEY-WENDLING
2001-05-01 15:32 ` Dominique LARCHEY-WENDLING [this message]
2001-05-01 16:18 ` Andreas Dilger
2001-05-01 21:50 ` Dominique LARCHEY-WENDLING
2001-05-01 23:25 ` Andreas Dilger
2001-05-02 11:08 ` Heinz J. Mauelshagen
-- strict thread matches above, loose matches on Subject: below --
2001-05-01 16:05 S. Michael Denton
2001-05-01 21:28 ` Dominique LARCHEY-WENDLING
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