I wouldn't run with those settings in production. That was a test to squeeze too many OSDs into too little RAM.
Check the values from infernalis/master. Those should be safe. -- Dan On 30 Nov 2015 21:45, "George Mihaiescu" <lmihaie...@gmail.com> wrote: > Hi, > > I've read the recommendation from CERN about the number of OSD maps ( > https://cds.cern.ch/record/2015206/files/CephScaleTestMarch2015.pdf, page > 3) and I would like to know if there is any negative impact from these > changes: > > [global] > osd map message max = 10 > > [osd] > osd map cache size = 20 > osd map max advance = 10 > osd map share max epochs = 10 > osd pg epoch persisted max stale = 10 > > > We are running Hammer with nowhere closer to 7000 OSDs, but I don't want > to waste memory on OSD maps which are not needed. > > Are there are large production deployments running with these or similar > settings? > > Thank you, > George > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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