xfs on nfs, directory listing.

[Ian Chapman]

On 05/01/2012 11:44 PM, gary artim wrote:
> wondering if anyone has tried xfs filesystem under nfs and found that
> ls, dir, ll, etc commands get starved (sometime 20..30 seconds) when
> the nic is saturated with data. Maybe I'm answering my question within
> the question, but worried that a loaded nfs could make ls very slow to
> respond, any suggestions or experience tuning with this? thanks!

I haven't seen this with XFS specifically exported over NFS, just NFS on 
Linux in general. Try copying something like a 50GB file over NFS to a 
directory, then do an ls on that same directory. It can be very slow, 
even though doing an ls in another directory on the same NFS export is 
quick.


-- 
Ian Chapman.