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

[R Wahyudi]

>
>
> The "ls -la" command is known to be a performance killer for cluster
> filesystems like GFS. It is not an GFS specific issues (a google search
> for POSIX "statlite" and "readdirplus" should give you plenty of
> examples). In general, we would like to
>
> 1. Caution users whether "ls -la" is really a good performance indicator
> for their applications.
> 2. Avoid having one gigantic directory holding many many small files.
> Re-structuring them into different sub-directories should see sizable
> performance improvement.
>
> -- Wendy
>
> --
> Linux-cluster mailing list
> Linux-cluster at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-cluster



Hi Wendy,

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
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