On 06/18/2012 01:12 PM, Tommi Virtanen wrote:
On Mon, Jun 18, 2012 at 10:56 AM, Mark Nelson<mark.nelson@xxxxxxxxxxx> wrote:
I've been tracking down some performance issues over the past month with our
internal test nodes and believe I have narrowed it down to something related
to Ubuntu Oneiric. Tests done on nodes running Ubuntu Precise are
significantly faster.
Did you use Ubuntu kernels or our own builds? Different/same across runs?
Each set of nodes is using our kernel from gitbuilder:
http://gitbuilder.ceph.com/kernel-deb-oneiric-x86_64-basic/ref/v3.4/
and
http://gitbuilder.ceph.com/kernel-deb-precise-x86_64-basic/ref/v3.4/
respectively.
I should note that this problem was also seen on kernel 3.3 from
gitbuilder with oneiric, though I do not have comparative numbers available.
Mark
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