On Thu, Nov 3, 2016 at 5:52 PM, Hidekazu Nakamura <hid-nakamura@xxxxxxxxxxxxx> wrote: > Yahuda, > >> > I heard at OpenStack Summit Barcelona[*] that community will develop >> plugin >> > which put metadata into elasticsearch for querying metadata. >> > Could anyone teach me spec of it? >> >> I sent an email to ceph-devel a while back describing it, here it is: >> >> http://www.spinics.net/lists/ceph-devel/msg32219.html > > Thank you for pointing. > As far as I understand, My concern is not satisfied by this feature. > >> > >> > My concern is whether operator could know object sync status between zones. >> >> 'radosgw-admin sync status' can be used to query each zone about the >> sync status, but it's not a per-object granularity. > > Yes, 'radosgw-admin sync status' represents overall status between zones. > Per-object is needed for disaster recovery purposes. Because multisite sync is > asynchronous as you know, it's possible that object is uploaded only single zone > when other zones are down. > Does community have plan to develop sync status per-object granularity? > No immediate plan, but I created the following ticket: http://tracker.ceph.com/issues/17795 This can be accomplished by iterating through the data shards, gathering modified buckets list and then going through the bucket indexes and get a list of all the objects that need to be synced. Yehuda -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html