From: David Chinner <dgc@sgi.com>
To: Laurent CARON <lcaron@lncsa.com>
Cc: David Chinner <dgc@sgi.com>, xfs@oss.sgi.com
Subject: Re: Issue with 2.6.23 and drbd 8.0.7
Date: Tue, 18 Dec 2007 23:29:00 +1100 [thread overview]
Message-ID: <20071218122900.GK4396912@sgi.com> (raw)
In-Reply-To: <47678124.80906@lncsa.com>
On Tue, Dec 18, 2007 at 09:13:24AM +0100, Laurent CARON wrote:
> David Chinner wrote:
> > Hmmm - no real surprises there, but the numbers are well lower than the
> > ~960MB low memory limit. I suspect that there's something at around
> > 2.55am that does a filesystem traversal and that blows out the memory
> > usage of these slab caches and you run out of lowmem...
>
> Thanks David for this information,
>
> On the previous setup (same pieces of software), we didn't had that kind
> of problem.
>
> Do you think that more memory is used while using XFS on a filesystem
> traversal than with ReiserFS (the previous setup used ReiserFS)?
Yes, XFS will use more memory - XFS's inodes are substantially larger
in memory than for reiserfs and so will consume more memory for the
same number of cached inodes.
Cheers,
Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group
next prev parent reply other threads:[~2007-12-18 12:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-17 13:39 Issue with 2.6.23 and drbd 8.0.7 Laurent Caron
2007-12-17 22:03 ` David Chinner
2007-12-17 22:17 ` Laurent CARON
2007-12-17 23:37 ` David Chinner
2007-12-18 8:13 ` Laurent CARON
2007-12-18 12:29 ` David Chinner [this message]
2007-12-18 22:04 ` Laurent CARON
-- strict thread matches above, loose matches on Subject: below --
2007-12-16 11:58 Laurent CARON
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