It doesn't matter, I think filestore_xattr_use_omap is a 'noop' and not used in the Hammer. Thanks & Regards Somnath -----Original Message----- From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Adam Tygart Sent: Wednesday, July 01, 2015 8:20 AM To: Ceph Users Subject: xattrs vs omap Hello all, I've got a coworker who put "filestore_xattr_use_omap = true" in the ceph.conf when we first started building the cluster. Now he can't remember why. He thinks it may be a holdover from our first Ceph cluster (running dumpling on ext4, iirc). In the newly built cluster, we are using XFS with 2048 byte inodes, running Ceph 0.94.2. It currently has production data in it. >From my reading of other threads, it looks like this is probably not something you want set to true (at least on XFS), due to performance implications. Is this something you can change on a running cluster? Is it worth the hassle? Thanks, Adam _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com ________________________________ PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies). _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com