Thanks Dan, I'll use these ones from Infernalis:
[global] osd map message max = 100 [osd] osd map cache size = 200 osd map max advance = 150 osd map share max epochs = 100 osd pg epoch persisted max stale = 150 George On Mon, Nov 30, 2015 at 4:20 PM, Dan van der Ster <d...@vanderster.com> wrote: > 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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