On Thursday, July 25, 2013, Dzianis Kahanovich wrote: > I think to make pool-per-user (primary for cephfs; for security, quota, > etc), > hundreds (or even more) of them. But I remember 2 facts: > 1) info in manual about slowdown on many pools;
Yep, this is still a problem; pool-per-user isn't going to work well unless your users are covering truly prodigious amounts of space. There is a new feature in raw RADOS that let you specify a separate "namespace" and set access capabilities based on those; it is being worked up through the rest of the stack now. > 2) something in later changelog about hashed pool IDs (?). This doesn't impact things one way or the other. -Greg > > How about now and numbers of pools? > And how to avoid serious overheads? > > -- > WBR, Dzianis Kahanovich AKA Denis Kaganovich, > http://mahatma.bspu.unibel.by/ > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com <javascript:;> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Software Engineer #42 @ http://inktank.com | http://ceph.com
_______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
