You need to set the option in the ceph.conf and restart the OSD I think. But it will only take effect when splitting or merging in the future, it won't adjust the current folder layout. > -----Original Message----- > From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Paul Renner > Sent: 09 July 2016 22:18 > To: ceph-users@xxxxxxxxxxxxxx > Subject: Filestore merge and split > > Hello cephers > we have many (millions, small objects in our RadosGW system and are getting not very good write performance, 100-200 PUTs /sec. > > I have read on the mailinglist that one possible tuning option would be to increase the max. number of files per directory on OSDs with > eg. > > filestore merge threshold = 40 > filestore split multiple = 8 > Now my question is, do we need to rebuild the OSDs to make this effective? Or is it a runtime setting? > I'm asking because when setting this with injectargs I get the message "unchangeable" back. > Thanks for any insight. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |