Re: 2.6.31-rc8: CIFS with 5 seconds hiccups
Jeff Layton <[email protected]>
| Newsgroups | gmane.network.samba.general,gmane.linux.file-systems.cifs,gmane.linux.kernel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 9 Sep 2009 13:28:24 -0400 (EDT) Christoph Lameter <[email protected]> wrote: > On Wed, 9 Sep 2009, Jeff Layton wrote: > > > That'll stop your client from requesting oplocks, but that won't > > prevent others from doing so. If my suspicion is correct, then another > > client is holding an oplock and the server needs to break it before it > > can reply to yours. > > > > Unfortunately I doubt there's much you can do from your client to > > prevent that (if that is the case). There may be a way to turn off > > oplocks on the server side, but that may very well be even worse for > > performance. > > Hmmm... We can look at that. > > Another interesting tidbit is that I have never seen this from a 64 bit > Linux kernel. Only occurs with 32 bit kernels it seems. > That sounds rather strange. Maybe we do have a bug of some sort? The thing to do might be to get a binary capture of the 32-bit traffic around the time of the stalls. We could then inspect the packets and see whether we have something wrong in there. -- Jeff Layton <[email protected]> -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba