> -----Original Message----- > From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of > M Ranga Swami Reddy > Sent: 18 February 2016 12:09 > To: ceph-users <ceph-users@xxxxxxxx> > Subject: 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@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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