When I look in MDS slow requests I have a few like this : { "description": "client_request(client.460346000:5211 setfilelockrule 1, type 2, owner 9688352835732396778, pid 660, start 0, length 0, wait 1 #0x100017da2aa 2017-12-08 15:00:21.823976 caller_uid=5000, caller_gid=5000{5000,})", "initiated_at": "2017-12-08 15:00:21.834698", "age": 72.168096, "duration": 72.168212, "type_data": { "flag_point": "acquired locks", "reqid": "client.460346000:5211", "op_type": "client_request", "client_info": { "client": "client.460346000", "tid": 5211 }, "events": [ { "time": "2017-12-08 15:00:21.834698", "event": "initiated" }, { "time": "2017-12-08 15:00:21.834826", "event": "acquired locks" }, { "time": "2017-12-08 15:00:28.299564", "event": "acquired locks" }, { "time": "2017-12-08 15:00:50.720873", "event": "acquired locks" }, { "time": "2017-12-08 15:01:05.884944", "event": "acquired locks" }, { "time": "2017-12-08 15:01:17.043605", "event": "acquired locks" } ] } Always for the same client (my mail server). _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com