[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <46946D22.3060409@redhat.com>
Date: Wed, 11 Jul 2007 00:39:46 -0500
From: Eric Sandeen <sandeen@...hat.com>
To: "Jose R. Santos" <jrs@...ibm.com>
CC: Andreas Dilger <adilger@...sterfs.com>,
"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: Initial results of FLEX_BG feature.
Jose R. Santos wrote:
> On Tue, 10 Jul 2007 22:12:14 -0600
> Andreas Dilger <adilger@...sterfs.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
-
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists