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From: Paul Taysom <Paul.Taysom@novell.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] OCFS2 features RFC - separate journal?
Date: Fri, 05 May 2006 11:12:37 -0600	[thread overview]
Message-ID: <445B32E4.C8CD.0002.0@novell.com> (raw)
In-Reply-To: <445AC

 The performance you might gain from a separate journaling device will
be very dependent on exactly how the journal is done.  On NSS, the
Netware journaled file system, we ran experiments with the journal
turned off (just didn't do the write) and found it had little impact on
benchmarks like NetBench.  Part of the reason for this is that the
journal writes were asynchronous to the main flow of the system.  Normal
operations would normally not ever wait for journal writes.

Paul
 
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  parent reply	other threads:[~2006-05-05 17:12 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-25 18:35 [Ocfs2-devel] OCFS2 features RFC Mark Fasheh
2006-04-25 21:55 ` Christoph Hellwig
2006-04-25 22:24   ` Mark Fasheh
2006-04-26 16:50   ` Daniel Phillips
2006-04-26  4:11 ` Andi Kleen
2006-04-26 18:06   ` Mark Fasheh
2006-04-26 18:08     ` Andi Kleen
2006-04-26 18:34       ` Daniel Phillips
2006-04-27 20:25 ` Paul Taysom
2006-05-03 23:04 ` [Ocfs2-devel] OCFS2 features RFC - separate journal? Daniel Phillips
2006-05-04  0:29   ` Zach Brown
2006-05-04  0:46     ` Daniel Phillips
2006-05-04 20:56       ` Zach Brown
2006-05-04 20:59         ` Wim Coekaerts
2006-05-04 22:23         ` Daniel Phillips
2006-05-04 22:30           ` Mark Fasheh
2006-05-05  3:05             ` Daniel Phillips
2006-05-05 18:25               ` Mark Fasheh
2006-05-06  3:09                 ` Daniel Phillips
2006-05-05 17:12             ` Paul Taysom [this message]
2006-05-05 18:06               ` Daniel Phillips
2006-05-05 18:57               ` Sunil Mushran
2006-05-08 14:28             ` Paul Taysom
2006-05-08 17:43               ` Daniel Phillips
2006-05-08 18:00             ` Paul Taysom
2006-05-08 18:22               ` Daniel Phillips
2006-05-11 20:04 ` [Ocfs2-devel] OCFS2 features RFC Jeff Mahoney
2006-05-11 20:40   ` Paul Taysom
2006-05-11 20:55     ` Joel Becker
2006-05-11 21:16   ` Daniel Phillips
2006-05-17  1:44   ` Mark Fasheh
     [not found]     ` <446BBCF5.7040903@google.com>
     [not found]       ` <20060518024638.GY21588@ca-server1.us.oracle.com>
2006-05-19  0:35         ` Daniel Phillips
2006-05-19 15:16           ` J. Bruce Fields
2006-05-20  6:11           ` Mark Fasheh
2006-05-22 19:18             ` Daniel Phillips
2006-05-22 17:01     ` Paul Taysom

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