Re: [ceph-users] Recommended cache size on MDS

2013-04-25 Thread Kevin Decherf
On Wed, Apr 24, 2013 at 10:20:57AM -0700, Gregory Farnum wrote: It's not about total cluster size but about the number of active files, and the size of your directories. :) That said, the default 100,000 inodes is a very conservative number; you can probably go at least an order of magnitude

Re: [ceph-users] Recommended cache size on MDS

2013-04-25 Thread Gregory Farnum
On Thu, Apr 25, 2013 at 5:34 AM, Kevin Decherf ke...@kdecherf.com wrote: On Wed, Apr 24, 2013 at 10:20:57AM -0700, Gregory Farnum wrote: It's not about total cluster size but about the number of active files, and the size of your directories. :) That said, the default 100,000 inodes is a very

Re: [ceph-users] Recommended cache size on MDS

2013-04-24 Thread Gregory Farnum
On Wed, Apr 24, 2013 at 8:39 AM, Kevin Decherf ke...@kdecherf.com wrote: Hey world, I know that this question is tricky since it depends on the cluster size and objects profiles. For those who are using CephFS, what is your working cache size on your cluster? What problems have you