> > Hi Sage, > > > Thanks for pointing this out. Is this clearer? > > Yes. Although it would probably be useful to say that using 'ceph osd > crush tunables bobtail' will be enough to get rid of the warning and > will not break compatibility too much (3.15 isn't that common, there > is not even any longterm release above it). > As per an email I sent a few days ago - setting tunables to optimal (or whatever the setting is that makes the warning go away) caused a cascade of OSD crashes. Maybe those settings are not production ready yet? James
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