Re: High memory usage kills OSD while peering

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On Fri, 25 Aug 2017, Sage Weil wrote:
> On Sat, 26 Aug 2017, Linux Chips wrote:
> > I read about the prune thing in the release notes, so when our attempts failed
> > to start the cluster, we tried upgrading, but it did not help. it turned out
> > that we missed the 'ceph osd require-osd-release luminous' thing. I mean we
> > was looking on the command in the release notes upgrade section, and said to
> > each other "it dose not matter, it would only restrict the old osds from
> > joining" and moved on. damn, we would be up a week ago.
> > having said that, I think the release notes should highlight this in the
> > future.
> 
> Good point--I'll update the wording to make it clear that a lot of new 
> behavior does not kick in until the switch is flipped.

Is this better?

	https://github.com/ceph/ceph/pull/17270

Thanks!
sage
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