From: Eric Sandeen <sandeen@redhat.com>
To: "Jose R. Santos" <jrs@us.ibm.com>
Cc: Andreas Dilger <adilger@clusterfs.com>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>
Subject: Re: Initial results of FLEX_BG feature.
Date: Wed, 11 Jul 2007 00:39:46 -0500 [thread overview]
Message-ID: <46946D22.3060409@redhat.com> (raw)
In-Reply-To: <20070711003004.531c9307@naruto>
Jose R. Santos wrote:
> On Tue, 10 Jul 2007 22:12:14 -0600
> Andreas Dilger <adilger@clusterfs.com> wrote:
...
>
>> You might also want to test out placement of the journal in the middle
>> of the filesystem, the U. Wisconsin folks tested this in one of their
>> papers and showed some noticable improvements. That isn't exactly
>> related, but it is a relatively simple tweak to mke2fs/tune2fs to give
>> it an allocation goal of group_desc[s_groups_count / 2].bg_inode_table
>> (to put it past inode table in middle group).
>
> Make sense. Do you have a link to the paper?
filesystem shrinking would need to be fixed to handle this too, right...
-Eric
next prev parent reply other threads:[~2007-07-11 5:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-10 16:23 Initial results of FLEX_BG feature Jose R. Santos
2007-07-11 4:12 ` Andreas Dilger
2007-07-11 5:30 ` Jose R. Santos
2007-07-11 5:39 ` Eric Sandeen [this message]
2007-07-11 12:41 ` Andreas Dilger
2007-07-11 22:09 ` Theodore Tso
2007-07-11 22:14 ` Theodore Tso
2007-07-12 15:02 ` Jose R. Santos
2007-07-12 15:09 ` Jose R. Santos
2007-07-16 6:34 ` Andreas Dilger
2007-07-16 12:27 ` Jose R. Santos
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