From: tytso@mit.edu
To: Ben Gamari <bgamari.foss@gmail.com>
Cc: linux-kernel@vger.kernel.org, Olly Betts <olly@survex.com>,
martin f krafft <madduck@madduck.net>
Subject: Re: Poor interactive performance with I/O loads with fsync()ing
Date: Tue, 16 Mar 2010 23:30:10 -0400 [thread overview]
Message-ID: <20100317033010.GE8256@thunk.org> (raw)
In-Reply-To: <4ba049f1.017ee70a.5ce6.1456@mx.google.com>
On Tue, Mar 16, 2010 at 08:18:09PM -0700, Ben Gamari wrote:
> Sorry about the lack of any useful information in my initial email.
> I clearly didn't read it before sending.
>
> On Tue, 16 Mar 2010 21:24:39 -0400, tytso@mit.edu wrote:
> > What kernel version are you using; what distribution and what version
> > of that distro are you running; what file system are you using and
> > what if any mount options are you using? And what kind of hard drives
> > do you have?
>
> While this problem has been around for some time, my current configuration
> is the following:
>
> Kernel 2.6.32 (although also reproducible with kernels at least as early as 2.6.28)
> Filesystem: Now Btrfs (was ext4 less than a week ago), default mount options
> Hard drive: Seagate Momentus 7200.4 (ST9500420AS)
> Distribution: Ubuntu 9.10 (Karmic)
.... so did switching to Btrfs solve your latency issues, or are you
still having problems?
- Ted
next prev parent reply other threads:[~2010-03-17 3:30 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-16 15:31 Poor interactive performance with I/O loads with fsync()ing Ben Gamari
2010-03-17 1:24 ` tytso
2010-03-17 3:18 ` Ben Gamari
2010-03-17 3:30 ` tytso [this message]
2010-03-17 4:31 ` Ben Gamari
2010-03-26 3:16 ` Ben Gamari
2010-03-17 4:53 ` Nick Piggin
2010-03-17 9:37 ` Ingo Molnar
2010-03-26 3:31 ` Ben Gamari
2010-04-09 15:21 ` Ben Gamari
2010-03-26 3:28 ` Ben Gamari
2010-03-23 19:51 ` Jesper Krogh
2010-03-26 3:13 ` Ben Gamari
2010-03-28 1:20 ` Ben Gamari
2010-03-28 1:29 ` Ben Gamari
2010-03-28 3:42 ` Arjan van de Ven
2010-03-28 14:06 ` Ben Gamari
2010-03-28 22:08 ` Andi Kleen
2010-04-09 14:56 ` Ben Gamari
2010-04-11 15:03 ` Avi Kivity
2010-04-11 16:35 ` Ben Gamari
2010-04-11 17:20 ` Andi Kleen
2010-04-11 18:16 ` Thomas Gleixner
2010-04-11 18:42 ` Andi Kleen
2010-04-11 21:54 ` Thomas Gleixner
2010-04-11 23:43 ` Hans-Peter Jansen
2010-04-12 0:22 ` Dave Chinner
2010-04-14 18:40 ` Ric Wheeler
-- strict thread matches above, loose matches on Subject: below --
2010-03-23 11:28 Pawel S
2010-03-23 13:27 ` Jens Axboe
2010-03-26 3:35 ` Ben Gamari
2010-03-30 10:46 ` Pawel S
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