[Linux-cluster] GFS slower than NFS ???

[Wendy Cheng]

R Wahyudi wrote:

> Thanks for your comment.
> If this is the case then .. GFS or clustered storage is not the 
> "ideal" solutions for storage server that use Maildir ?
> - Most of the time POP/IMAP jobs is to stat directory
> - And users can have large number of email in a directory


Yes, "stat()" and "readdir()" system calls are expensive. I personally 
don't know much about mail servers though - so really can't pass down 
good tuning tips here.

-- Wendy