From: Bernd Eckenfels <be-mail2006@lina.inka.de>
To: Mark Fasheh <mark.fasheh@oracle.com>
Cc: linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com
Subject: Re: [Ocfs2-devel] Ocfs2 performance
Date: Sat, 11 Mar 2006 02:57:31 +0100 [thread overview]
Message-ID: <20060311015731.GA16912@lina.inka.de> (raw)
In-Reply-To: <20060311010913.GN27280@ca-server1.us.oracle.com>
On Fri, Mar 10, 2006 at 05:09:13PM -0800, Mark Fasheh wrote:
> until the locks needs to be upgraded or downgraded. This provides a very
> large performance increase over always asking the DLM for a new lock.
Yes, it is basically the same problem as the buffer cache. Excessive
single-use patterns dirty the small cache or require a too big cache to be
usefull.
Maybe a user specific limit of percentage of hash (and locks) used? I mean
the untar test case is a bit synthetic, but think of concurrent read access
in a cluster of nntp servers (news article pool).
Gruss
Bernd
next prev parent reply other threads:[~2006-03-11 1:57 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-03 22:27 Ocfs2 performance bugs of doom Daniel Phillips
2006-03-04 0:53 ` Mark Fasheh
2006-03-04 3:42 ` Daniel Phillips
2006-03-04 7:36 ` Andrew Morton
2006-03-05 19:22 ` Mark Fasheh
2006-03-06 1:28 ` Daniel Phillips
2006-03-06 2:58 ` [Ocfs2-devel] " Mark Fasheh
2006-03-06 4:59 ` Daniel Phillips
2006-03-06 19:51 ` Mark Fasheh
2006-03-07 3:34 ` Andi Kleen
2006-03-07 4:58 ` Mark Fasheh
2006-03-07 6:56 ` [Ocfs2-devel] " Daniel Phillips
2006-03-09 6:26 ` Daniel Phillips
2006-03-09 7:26 ` Nick Piggin
2006-03-09 7:43 ` Nick Piggin
2006-03-09 4:19 ` Andi Kleen
2006-03-09 12:30 ` Nick Piggin
2006-03-10 5:14 ` Nick Piggin
2006-03-10 0:21 ` [Ocfs2-devel] Ocfs2 performance Mark Fasheh
2006-03-10 1:14 ` Bernd Eckenfels
2006-03-10 7:10 ` Joel Becker
2006-03-11 1:09 ` Mark Fasheh
2006-03-11 1:57 ` Bernd Eckenfels [this message]
2006-03-10 11:17 ` Daniel Phillips
2006-03-10 18:23 ` Zach Brown
2006-03-10 21:13 ` Daniel Phillips
2006-03-10 21:13 ` Daniel Phillips
2006-03-10 2:33 ` [Ocfs2-devel] Ocfs2 performance bugs of doom J. Bruce Fields
2006-03-10 10:27 ` Daniel Phillips
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