[Samba] Troubleshooting poor (small) random read performance -- serverid.tdb?

[Volker Lendecke]

On Fri, Jun 20, 2014 at 09:25:57AM -0700, Ray Van Dolson wrote:
> On Fri, Jun 20, 2014 at 08:37:18AM +0200, Volker Lendecke wrote:
> > On Thu, Jun 19, 2014 at 02:48:52PM -0700, Ray Van Dolson wrote:
> > > We're using strict locking = no at the global level and locking = no at
> > > the share level.  The latter option is where we get good performance
> > > improvements for this workload.
> > 
> > So it's really byte range locks that bite you. Can you take a network
> > trace of one client? It will reveal your data, it will be huge, but it
> > might provide valuable input for us to reproduce and eventually fix the
> > issue with brlocks for you in a proper way. "locking=no" is not a good
> > idea except for special use cases :-)
> > 
> > Volker
> 
> I believe I can share a trace -- will confirm.  Should I open a bug for
> this against 4.1.8 for better tracking?

For me that isn't really necessary. My inbox is patient
enouch. But for later reference, it might be helpful.

With best regards,

Volker Lendecke

-- 
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: +49-551-370000-0, fax: +49-551-370000-9
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de, mailto:kontakt at sernet.de