lkml.org 
[lkml]   [2006]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: ext3 metadata performace
Dieter Stüken wrote:
> after I switched from from ext2 to ext3 i observed some severe
> performance degradation. Most discussion about this topic deals
> with tuning of data-io performance. My problem however is related to
> metadata updates. When cloning (cp -al) or deleting directory trees I
> find, that about 7200 files are created/deleted per minute. Seems
> this is related to some ex3 strategy, to wait for each metadata to be
> written to disk. Interestingly this occurs with my new hw-raid
> controller (3ware 9500S), which even has an battery buffered disk cache.
> Thus there is no need for synchronous IO anyway. If I disable the
> disk cache on my plain SATA disk using ext3, I also get this behavior.
>
Try increasing the journal size (mkfs -t ext3 -J size=20000) and see if
that improves things.

--
error compiling committee.c: too many arguments to function

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-05-11 17:46    [W:0.043 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site