Irrelevant, but I need to say this: Cephers aren't only men, you know... :-) Cheers, Patrycja 2014-08-26 12:58 GMT+02:00 <pawel.orzechowski at budikom.net>: > Hello Gentelmen:-) > > Let me point one important aspect of this "low performance" problem: from > all 4 nodes of our ceph cluster only one node shows bad metrics, that is > very high latency on its osd's (from 200-600ms), while other three nodes > behave normaly, thats is latency of their osds is between 1-10ms. > > So, the idea of putting journals on SSD is something that we are looking at, > but we think that we have in general some problem with that particular node, > what affects whole cluster. > > So can the number (4) of hosts a reason for that? Any other hints? > > Thanks > > Pawel > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >