Re: v0.80.8 and librbd performance

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On 03/03/2015 03:28 PM, Ken Dreyer wrote:
On 03/03/2015 04:19 PM, Sage Weil wrote:
Hi,

This is just a heads up that we've identified a performance regression in
v0.80.8 from previous firefly releases.  A v0.80.9 is working it's way
through QA and should be out in a few days.  If you haven't upgraded yet
you may want to wait.

Thanks!
sage

Hi Sage,

I've seen a couple Redmine tickets on this (eg
http://tracker.ceph.com/issues/9854 ,
http://tracker.ceph.com/issues/10956). It's not totally clear to me
which of the 70+ unreleased commits on the firefly branch fix this
librbd issue.  Is it only the three commits in
https://github.com/ceph/ceph/pull/3410 , or are there more?

Those are the only ones needed to fix the librbd performance
regression, yes.

Josh
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