Hi ceph users:
I was doing write benchmark, and found some io will be blocked for a
very long time. The following log is one op , it seems to wait for
replica to finish. My ceph version is 12.2.4, and the pool is 3+2 EC .
Does anyone give me some adives about how I sould debug next ?
{
"ops": [
{
"description": "osd_op(client.17985.0:670679 39.18
39:1a63fc5c:::benchmark_data_SH-IDC1-10-5-37-174_2917453_object670678:head
[set-alloc-hint object_size 1048576 write_size 1048576,write
0~1048576] snapc 0=[] ondisk+write+known_if_redirected e1135)",
"initiated_at": "2019-07-20 23:13:18.725466",
"age": 329.248875,
"duration": 329.248901,
"type_data": {
"flag_point": "waiting for sub ops",
"client_info": {
"client": "client.17985",
"client_addr": "10.5.137.174:0/1544466091",
"tid": 670679
},
"events": [
{
"time": "2019-07-20 23:13:18.725466",
"event": "initiated"
},
{
"time": "2019-07-20 23:13:18.726585",
"event": "queued_for_pg"
},
{
"time": "2019-07-20 23:13:18.726606",
"event": "reached_pg"
},
{
"time": "2019-07-20 23:13:18.726752",
"event": "started"
},
{
"time": "2019-07-20 23:13:18.726842",
"event": "waiting for subops from 4"
},
{
"time": "2019-07-20 23:13:18.743134",
"event": "op_commit"
},
{
"time": "2019-07-20 23:13:18.743137",
"event": "op_applied"
}
]
}
},
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