[Linux-cluster] GFS2 poor performance

[Bob Peterson]

----- 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?

Regards,

Bob Peterson
Red Hat Clustering & GFS