> 35K IOPS with ioengine=rbd sounds like the "sync=1" option doesn't actually > work. Or it's not touching the same object (but I wonder whether write > ordering is preserved at that rate?). The fio rbd engine does not support "sync=1"; however, it should support "fsync=1" to accomplish roughly the same effect. Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com