From: Josef Bacik <jbacik@fb.com>
To: <rob@robspanton.com>, <linux-btrfs@vger.kernel.org>
Subject: Re: Performance Issues
Date: Fri, 19 Sep 2014 11:05:51 -0400 [thread overview]
Message-ID: <541C464F.3030600@fb.com> (raw)
In-Reply-To: <1411129114.1811.7.camel@zarniwoop.blob>
On 09/19/2014 08:18 AM, Rob Spanton wrote:
> Hi,
>
> I have a particularly uncomplicated setup (a desktop PC with a hard
> disk) and I'm seeing particularly slow performance from btrfs. A `git
> status` in the linux source tree takes about 46 seconds after dropping
> caches, whereas on other machines using ext4 this takes about 13s. My
> mail client (evolution) also seems to perform particularly poorly on
> this setup, and my hunch is that it's spending a lot of time waiting on
> the filesystem.
>
Weird, I get the exact opposite performance. Anyway it's probably
because of your file layouts, try defragging your git dir and see if
that helps. Thanks,
Josef
next prev parent reply other threads:[~2014-09-19 15:06 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 12:18 Performance Issues Rob Spanton
2014-09-19 12:25 ` Swâmi Petaramesh
2014-09-19 12:58 ` Austin S Hemmelgarn
2014-09-19 12:49 ` Austin S Hemmelgarn
2014-09-19 12:59 ` Austin S Hemmelgarn
2014-09-19 13:34 ` Holger Hoffstätte
2014-09-22 11:59 ` David Sterba
2014-09-22 12:37 ` Holger Hoffstätte
2014-09-22 13:25 ` David Sterba
2014-09-19 13:51 ` Holger Hoffstätte
2014-09-19 14:53 ` Austin S Hemmelgarn
2014-09-19 16:23 ` Holger Hoffstätte
2014-09-19 17:51 ` Zach Brown
2014-09-20 8:23 ` Marc Dietrich
2014-09-20 13:41 ` Martin
2014-09-20 18:29 ` Chris Murphy
2014-09-20 14:04 ` Wang Shilong
2014-09-20 20:44 ` Marc Dietrich
2014-09-19 15:05 ` Josef Bacik [this message]
2014-09-19 16:51 ` Rob Spanton
2014-09-19 17:45 ` Josef Bacik
2014-10-30 14:23 ` Rob Spanton
2014-09-20 5:58 ` Duncan
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