From: Larry McVoy <lm@bitmover.com>
To: Casey Allen Shobe <casey@shobe.info>
Cc: Larry McVoy <lm@bitmover.com>,
tytso@mit.edu, jfs-discussion@lists.sourceforge.net,
linux-nilfs@vger.kernel.org,
Christian Kujau <lists@nerdbynature.de>,
linux-ext4@vger.kernel.org,
Peter Grandi <pg_jf2@jf2.for.sabi.co.UK>,
reiserfs-devel@vger.kernel.org, ext-users <ext3-users@redhat.com>,
xfs@oss.sgi.com, linux-btrfs@vger.kernel.org
Subject: Re: [Jfs-discussion] benchmark results
Date: Sun, 10 Jan 2010 17:32:51 -0800 [thread overview]
Message-ID: <20100111013251.GA8233@bitmover.com> (raw)
In-Reply-To: <AAA45328-6BEA-465C-B999-C99D45FC56FF@shobe.info>
On Sun, Jan 10, 2010 at 08:03:04PM -0500, Casey Allen Shobe wrote:
> On Dec 25, 2009, at 11:22 AM, Larry McVoy wrote:
>> Dudes, sync() doesn't flush the fs cache, you have to unmount for
>> that.
>> Once upon a time Linux had an ioctl() to flush the fs buffers, I used
>> it in lmbench.
>
>
> You do not need to unmount - 2.6.16+ have a mechanism in /proc to flush
> caches. See http://linux-mm.org/Drop_Caches
Cool, but I tend to come at problems from a cross platform point of view.
Aix no hable /proc :)
--
---
Larry McVoy lm at bitmover.com http://www.bitkeeper.com
WARNING: multiple messages have this Message-ID (diff)
From: Larry McVoy <lm@bitmover.com>
To: Casey Allen Shobe <casey@shobe.info>
Cc: jfs-discussion@lists.sourceforge.net,
linux-nilfs@vger.kernel.org, tytso@mit.edu,
reiserfs-devel@vger.kernel.org, xfs@oss.sgi.com,
Larry McVoy <lm@bitmover.com>,
Peter Grandi <pg_jf2@jf2.for.sabi.co.UK>,
ext-users <ext3-users@redhat.com>,
linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org
Subject: Re: [Jfs-discussion] benchmark results
Date: Sun, 10 Jan 2010 17:32:51 -0800 [thread overview]
Message-ID: <20100111013251.GA8233@bitmover.com> (raw)
In-Reply-To: <AAA45328-6BEA-465C-B999-C99D45FC56FF@shobe.info>
On Sun, Jan 10, 2010 at 08:03:04PM -0500, Casey Allen Shobe wrote:
> On Dec 25, 2009, at 11:22 AM, Larry McVoy wrote:
>> Dudes, sync() doesn't flush the fs cache, you have to unmount for
>> that.
>> Once upon a time Linux had an ioctl() to flush the fs buffers, I used
>> it in lmbench.
>
>
> You do not need to unmount - 2.6.16+ have a mechanism in /proc to flush
> caches. See http://linux-mm.org/Drop_Caches
Cool, but I tend to come at problems from a cross platform point of view.
Aix no hable /proc :)
--
---
Larry McVoy lm at bitmover.com http://www.bitkeeper.com
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http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2010-01-11 1:32 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-24 10:31 benchmark results Christian Kujau
2009-12-24 10:31 ` Christian Kujau
2009-12-24 12:06 ` Ryusuke Konishi
2009-12-24 12:06 ` Ryusuke Konishi
[not found] ` <alpine.DEB.2.01.0912240415450.3483@bogon.housecafe.de>
[not found] ` <4B336289.3010608@nerdbynature.de>
[not found] ` <4B336289.3010608-AanptEQQ3TL9uQeqpI+JUg@public.gmane.org>
2009-12-24 15:35 ` Ryusuke Konishi
2009-12-24 12:59 ` Teran McKinney
2009-12-24 12:59 ` Teran McKinney
2009-12-24 12:59 ` Teran McKinney
2009-12-24 20:01 ` Christian Kujau
2009-12-24 13:05 ` Peter Grandi
2009-12-24 13:05 ` [Jfs-discussion] " Peter Grandi
2009-12-24 21:27 ` tytso
2009-12-24 21:27 ` tytso
2009-12-24 23:46 ` Evgeniy Polyakov
2009-12-24 23:46 ` Evgeniy Polyakov
2009-12-25 16:11 ` tytso
2009-12-25 16:11 ` tytso
2010-01-04 16:27 ` Chris Mason
2010-01-04 16:27 ` Chris Mason
2010-01-04 18:57 ` Michael Rubin
2010-01-04 18:57 ` Michael Rubin
2010-01-04 18:57 ` Michael Rubin
2010-01-04 18:57 ` Michael Rubin
2010-01-05 0:41 ` Dave Chinner
2010-01-05 0:41 ` Dave Chinner
2010-01-05 0:41 ` Dave Chinner
2010-01-05 15:31 ` Steven Pratt
2010-01-05 15:31 ` Steven Pratt
2009-12-25 1:52 ` Christian Kujau
2009-12-25 1:52 ` Christian Kujau
2009-12-25 13:19 ` lakshmi pathi
2009-12-25 13:19 ` lakshmi pathi
2009-12-25 16:14 ` tytso
2009-12-25 16:14 ` tytso
2009-12-25 16:22 ` Larry McVoy
2009-12-25 16:33 ` tytso
2009-12-25 16:33 ` tytso
2009-12-25 16:33 ` tytso
2009-12-25 18:56 ` Christian Kujau
2009-12-25 18:56 ` Christian Kujau
2009-12-25 19:32 ` Christian Kujau
2009-12-25 19:32 ` Christian Kujau
2009-12-25 16:33 ` tytso
2009-12-25 18:51 ` Christian Kujau
2009-12-25 18:51 ` Christian Kujau
2009-12-26 16:00 ` jim owens
2009-12-26 16:00 ` jim owens
2009-12-26 19:06 ` Christian Kujau
2009-12-26 19:06 ` Christian Kujau
2009-12-27 19:50 ` jim owens
2009-12-27 19:50 ` jim owens
2009-12-27 21:55 ` Christian Kujau
2009-12-27 21:55 ` Christian Kujau
2009-12-27 22:33 ` tytso
2009-12-27 22:33 ` tytso
2009-12-28 1:24 ` Christian Kujau
2009-12-28 1:24 ` Christian Kujau
2009-12-28 14:08 ` Larry McVoy
2009-12-28 14:08 ` Larry McVoy
2010-01-15 21:42 ` Edward Shishkin
2010-01-15 21:42 ` Edward Shishkin
2010-01-15 21:42 ` Edward Shishkin
2010-01-15 21:42 ` Edward Shishkin
2009-12-26 19:19 ` tytso
2009-12-26 19:19 ` tytso
2010-01-11 1:03 ` Casey Allen Shobe
2010-01-11 1:32 ` Larry McVoy [this message]
2010-01-11 1:32 ` Larry McVoy
2009-12-25 18:42 ` Christian Kujau
2009-12-25 18:42 ` Christian Kujau
2009-12-29 11:27 ` Emmanuel Florac
2009-12-29 11:27 ` Emmanuel Florac
2009-12-29 11:27 ` Emmanuel Florac
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