[nfsv4] linux-2.6.19-rc3-CITI_NFS4_ALL-1

[Bryce Harrington]

On Thu, Oct 26, 2006 at 05:36:07PM -0700, Marc Eshel wrote:
> nfsv4-bounces at linux-nfs.org wrote on 10/26/2006 05:05:04 PM:
> > 
> > Good news - this is giving all-green results:
> > http://crucible.osdl.org/runs/branches.html 
> > 
> > Report is available here:
> >    http://crucible.osdl.org/runs/2766
> > 
> > The cthon and newpynfs failures that had been occuring since the last
> > release appear to be resolved.
> > 
> > Iozone read performance is also improved by about 50% from
> > 2.6.18-rc6-CITI.  (We've seen this improvement in all 2.6.19-rc* based
> > kernels).
> 
> Can someone explain this 50% improvements? is it something that was broken 
> and fixed or new improvement ?

I'm not sure of what the exact cause is, but it was something particular
to that kernel patch:

linux-2.6.18-rc5-CITI_NFS4_ALL-1:    (~ 70 mB/s)
    http://crucible.osdl.org/runs/1682/test_output/iozone.sys.log.png

linux-2.6.18-rc6-CITI_NFS4_ALL-1:    (~ 50 mB/s)
    http://crucible.osdl.org/runs/2004/test_output/iozone.sys.log.png

linux-2.6.19-rc3-CITI_NFS4_ALL-1:    (~ 70 mB/s)
    http://crucible.osdl.org/runs/2766/test_output/iozone.sys.log.png

Bryce