From: john stultz <johnstul@us.ibm.com>
To: Ted Ts'o <tytso@mit.edu>
Cc: Ext4 Developers List <linux-ext4@vger.kernel.org>,
ocfs2-devel@oss.oracle.com, Keith Maanthey <kmannth@us.ibm.com>,
Eric Whitney <eric.whitney@hp.com>
Subject: [Ocfs2-devel] [PATCH -v2 0/3] jbd2 scalability patches
Date: Thu, 05 Aug 2010 10:42:08 -0700 [thread overview]
Message-ID: <1281030128.3405.2.camel@localhost.localdomain> (raw)
In-Reply-To: <20100805054211.GF2901@thunk.org>
On Thu, 2010-08-05 at 01:42 -0400, Ted Ts'o wrote:
> Thanks, John, for doing these numbers!!!
>
> > vfs + j_state lock + jdb2 scalability queue
> > Throughput 1214.21 MB/sec 8 procs
> > Throughput 1175.49 MB/sec 4 procs
> > Throughput 716.294 MB/sec 2 procs
> > Throughput 402.988 MB/sec 1 procs
>
> 2.6.35-rc6-vfs + atomic
> Throughput 2648.42 MB/sec 8 procs
> Throughput 1586.68 MB/sec 4 procs
> Throughput 851.545 MB/sec 2 procs
> Throughput 453.106 MB/sec 1 procs
>
> Your earlier numbers were quite a bit higher than this latest set. I
> assume that's due to hardware differences?
So yes, it was run on a different but similar system.
But the numbers I just provided here were with CONFIG_PREEMPT_RT (vfs:
2.6.33-rt23 or novfs: 2.6.33-rt29). Sorry for not making that explicit.
Do you want me to generate non-rt 2.6.35 numbers as well?
thanks
-john
next prev parent reply other threads:[~2010-08-05 17:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-04 16:39 [Ocfs2-devel] [PATCH -v2 0/3] jbd2 scalability patches Theodore Ts'o
2010-08-04 16:39 ` [Ocfs2-devel] [PATCH -v2 1/3] jbd2: Use atomic variables to avoid taking t_handle_lock in jbd2_journal_stop Theodore Ts'o
2010-08-09 17:02 ` Jan Kara
2010-08-09 19:05 ` Ted Ts'o
2010-08-09 19:45 ` Jan Kara
2010-08-10 16:30 ` Ted Ts'o
2010-08-11 22:16 ` Jan Kara
2010-08-04 16:39 ` [Ocfs2-devel] [PATCH -v2 2/3] jbd2: Change j_state_lock to be a rwlock_t Theodore Ts'o
2010-08-04 16:39 ` [Ocfs2-devel] [PATCH -v2 3/3] jbd2: Remove t_handle_lock from start_this_handle() Theodore Ts'o
2010-08-05 1:58 ` [Ocfs2-devel] [PATCH -v2 0/3] jbd2 scalability patches john stultz
2010-08-05 5:42 ` Ted Ts'o
2010-08-05 17:42 ` john stultz [this message]
2010-08-09 16:06 ` Joel Becker
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