Ceph

[root@localhost ~]# ceph daemon osd.106 dump_historic_slow_ops {
"num to keep": 20,
"threshold to keep": 10,
"Ops": [ {
"description": "osd_op(client.25433.0:1582472 15.e6s0 15:6707d682:::rbd_data.19.5eab74b0dc51.0000000000006afe:head [set-alloc-hint object_size 4194304 write_size 4194304,write 0~3997696] snapc 0=[] ondisk+write+known_if_redirected e1360)",
"initiated_at": "2017-12-17 08:52:01.049025",
"age": 91045.294053,
"duration": 106.969826,
"type_data": {
"flag_point": "commit sent; apply or cleanup",
"client_info": {
"client": "client.25433",
"client_addr": "10.193.56.234:0/2975911039",
"tid": 1582472
},
"events": [
_*{
"time": "2017-12-17 08:52:01.049025",
"event": "initiated"
}, {
"time": "2017-12-17 08:53:47.750308",
"event": "queued_for_pg"
},*_ {
"time": "2017-12-17 08:53:47.750330",
"event": "reached_pg"
}, {
"time": "2017-12-17 08:53:47.764229",
"event": "started"
}, {
"time": "2017-12-17 08:53:47.768730",
"event": "started"
}, {
"time": "2017-12-17 08:53:47.806282",
"event": "sub_op_committed"
}, {
"time": "2017-12-17 08:53:47.806286",
"event": "sub_op_applied"
}, {
"time": "2017-12-17 08:53:48.018778",
"event": "commit_sent"
}, {
"time": "2017-12-17 08:53:48.018852",
"event": "done"
}
]
}
}
]
}

But ceph.log has no any abnomal such as slow request.

2017-12-17 08:46:03.882734 mon.node1 mon.0 10.193.56.230:6789/0 16138 : cluster [INF] mon.1 10.193.56.231:6789/0
2017-12-17 08:46:03.883054 mon.node1 mon.0 10.193.56.230:6789/0 16139 : cluster [INF] mon.2 10.193.56.232:6789/0
2017-12-17 08:46:03.884719 mon.node1 mon.0 10.193.56.230:6789/0 16140 : cluster [INF] mon.3 10.193.56.233:6789/0
2017-12-17 08:51:03.882178 mon.node1 mon.0 10.193.56.230:6789/0 16208 : cluster [INF] mon.2 10.193.56.232:6789/0
2017-12-17 08:51:03.882245 mon.node1 mon.0 10.193.56.230:6789/0 16209 : cluster [INF] mon.3 10.193.56.233:6789/0
2017-12-17 08:51:03.882273 mon.node1 mon.0 10.193.56.230:6789/0 16210 : cluster [INF] mon.4 10.193.56.234:6789/0
2017-12-17 08:51:03.882320 mon.node1 mon.0 10.193.56.230:6789/0 16211 : cluster [INF] mon.1 10.193.56.231:6789/0
2017-12-17 08:56:03.884224 mon.node1 mon.0 10.193.56.230:6789/0 16275 : cluster [INF] mon.1 10.193.56.231:6789/0
2017-12-17 08:56:03.885126 mon.node1 mon.0 10.193.56.230:6789/0 16276 : cluster [INF] mon.2 10.193.56.232:6789/0
2017-12-17 08:56:03.887934 mon.node1 mon.0 10.193.56.230:6789/0 16277 : cluster [INF] mon.4 10.193.56.234:6789/0
2017-12-17 08:56:03.888850 mon.node1 mon.0 10.193.56.230:6789/0 16278 : cluster [INF] mon.3 10.193.56.233:6789/0
2017-12-17 09:00:00.000090 mon.node1 mon.0 10.193.56.230:6789/0 16314 : cluster [WRN] overall HEALTH_WARN noscrub,nodeep-scrub flag(s) set; application not enabled on 10 pool(s)
2017-12-17 09:01:03.882950 mon.node1 mon.0 10.193.56.230:6789/0 16330 : cluster [INF] mon.2 10.193.56.232:6789/0
2017-12-17 09:01:03.883001 mon.node1 mon.0 10.193.56.230:6789/0 16331 : cluster [INF] mon.4 10.193.56.234:6789/0