> -----Original Message----- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > M Ranga Swami Reddy > Sent: 18 February 2016 12:09 > To: ceph-users <ceph-us...@ceph.com> > Subject: [ceph-users] OSD Journal size config > > Hello All, > I have increased my cluster's OSD journal size from 2GB to 10GB. > But could NOT see much write/read performance improvements.
You probably won't unless your journal was getting to the point where it was filling up. I think the filestore throttle stops the journal getting too far ahead of the disks to avoid massively long sync periods. > > (Cluster is with 4 servers + 96 osds). > > Do I miss anything here? Or do I need to update some more config variables > related to journalling? > > like(using the default for the below): > == > journal max write bytes > journal max write entries > journal queue max ops > journal queue max bytes > journal max corrupt search > == > _______________________________________________ > 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
