|
I know single bucket has performance question from http://tracker.ceph.com/issues/8473
I attempt to modify crush map that put bucket.index pool to ssd.
but performance is not good, and ssd performance never utilize.
this is op description,can you give me some suggests to
improve performance:
{ "description": "osd_op(client.193591.0:1185637 .dir.zone.192482.4 []
8.8cd2dea4 ack+ondisk+write e2007)",
"received_at":
"2015-01-14 15:05:15.888245",
"age":
"357.891900",
"duration":
"25.215902",
"type_data": [
"commit sent; apply or cleanup",
{ "client": "client.193591",
"tid": 1185637},
[
{ "time": "2015-01-14 15:05:15.888387",
"event": "waiting_for_osdmap"},
{ "time": "2015-01-14 15:05:18.265420",
"event": "reached_pg"},
{ "time": "2015-01-14 15:05:18.265457",
"event": "started"},
{ "time": "2015-01-14 15:05:18.265462",
"event": "started"},
{ "time": "2015-01-14 15:05:18.267986",
"event": "waiting for subops from 43,109"},
{ "time": "2015-01-14 15:05:18.268131",
"event": "commit_queued_for_journal_write"},
{ "time": "2015-01-14 15:05:18.268314",
"event": "write_thread_in_journal_buffer"},
{ "time": "2015-01-14 15:05:18.268558",
"event": "journaled_completion_queued"},
{ "time": "2015-01-14 15:05:18.281863",
"event": "sub_op_commit_rec"},
{ "time": "2015-01-14 15:05:18.281903",
"event": "sub_op_commit_rec"},
{ "time": "2015-01-14 15:05:18.299665",
"event": "op_commit"},
{ "time": "2015-01-14 15:05:18.299731",
"event": "commit_sent"},
{ "time": "2015-01-14 15:05:41.104126",
"event": "op_applied"},
{ "time": "2015-01-14 15:05:41.104147",
"event": "done"}]]}, baijiaruo@xxxxxxx |
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