[Linux-cluster] Ls and globbing taking ridiculously long on GFS

[Wendy Cheng]

Dylan Vanderhoof wrote:
> I understand that a df, or ls -l that requires statting files should be
> slow.  However, I'm seeing ridiculous performance of just an ls, or
> anything doing file globbing in directory reads.
>   
My guess is that you have lots of small writes before the "ls" that 
generates the disk flushing. Could you pass your kernel and gfs versions 
? Mind running oprofile on your node (I can pass the instructions if you 
like) so I can take a look ?

-- Wendy