Do we need to solve this problem? WeiGuo Ren <rwg1335252904@xxxxxxxxx> 于2021年3月10日周三 下午4:34写道： > > In my test environment, the ceph version is v14.2.5, and there are two > rgws, which are instances of two zones, respectively rgwA > (master-zone) and rgwB (slave-zone). Cosbench reads, writes, and > deletes to rgwA. , The final result rgwA has data residue, but rgwB > has no residue. > > Looking at the log later, I found that this happened: > 1. When rgwA deletes the object, the rgwA instance has not yet started > datasync (or the process is slow) to synchronize the object in the > slave-zone. > 2. When rgwA starts data synchronization, rgwB has not deleted the object. > In process 2, rgwA will retrieve the object from the slave-zone, and > then rgwA will enter the incremental synchronization state to > synchronize the bilog, but the bilog about the del object will be > filtered out, because syncs_trace has master zone. > > Below I did a similar reproducing operation (both in the master > version and ceph 14.2.5) > rgwA and rgwB are two zones of the same zonegroup .rgwA and rgwB is > running ( set rgw_run_sync_thread=true) > rgwA and rgwB are two zones of the same zonegroup .rgwA and rgwB is > running ( set rgw_run_sync_thread=true) > t1: rgwA set rgw_run_sync_thread=false and restart it for it to take > effect. We use s3cmd to create a bucket in rgwA. And upload an object1 > in rgwA. We use s3cmd to observe whether object1 has been synchronized > in rgwB. or look radosgw-admin bucket sync status is cauht up it. If > the synchronization has passed, proceed to the next step. > t2:rgwB set rgw_run_sync_thread=false and restart it for it to take > effect. rgwA delete object1 . > t3:rgwA set rgw_run_sync_thread=true and restart it for it to take > effect. LOOK radosgw-admin bucket sync status is cauht up it. > t4: rgwB set rgw_run_sync_thread=true and restart it for it to take > effect. LOOK radosgw-admin bucket sync status is cauht up it . > The reslut: rgwA has object1,rgwB dosen't have object1. > This URL mentioned this problem https://tracker.ceph.com/issues/47555 > > Could someone can help me? or If the bucket about the rgwA instance is > not in the incremental synchronization state, can we prohibit rgwA > from deleting object1?
