[Linux-cluster] GFS2 poor performance

[Fabiano F. Vitale]

Hi all,

I use CentOS 5.2 and the kernel and gfs2 versions are:

[root at smtp01 ~]# uname -r
2.6.18-92.1.13.el5

[root at smtp01 ~]# gfs2_tool version
gfs2_tool 0.1.44 (built Jul  6 2008 10:58:08)
Copyright (C) Red Hat, Inc.  2004-2006  All rights reserved.

thanks for any help

> ----- ffv at tjpr.jus.br wrote:
> | Hi all,
> |
> | I´m getting a very poor performance using GFS2.
> | I have two qmail (mail) servers and one gfs2 filesystem shared by
> | them.
> | In this case, each directory in GFS2 filesystem may have upon to 10000
> | files (mails)
> |
> | The problem is in performance of some operations like ls, du, rm, etc
> | for example,
> |
> | # time du -sh /dados/teste
> | 40M     /dados/teste
> |
> | real    7m14.919s
> | user    0m0.008s
> | sys     0m0.129s
> |
> | this is unacceptable

> What version of GFS2 and what kernel are you using?