In general, RBD "fancy" striping can help under certain workloads where small IO would normally be hitting the same object (e.g. small sequential IO).
-- Jason Dillaman ----- Original Message ----- > From: "Alwin Antreich" <sysadmin-c...@cognitec.com> > To: ceph-users@lists.ceph.com > Sent: Thursday, April 7, 2016 2:48:45 PM > Subject: [ceph-users] ceph striping > > Hi All, > > first I wanted to say hello, as I am new to the list. > > Secondly, we want to use ceph for VM disks and cephfs for our source > code, image data, login directories, etc. > > I would like to know, if striping would improve performance if we would > set something like the following and move away from the defaults? > > size = 4 MB > stripe_unit = 512KB > stripe_count = 8 > > http://docs.ceph.com/docs/master/man/8/rbd/#striping > > Thanks in advance. > > Best regards, > Alwin > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com