Am 14.12.2017 um 13:22 schrieb Sage Weil:
> On Thu, 14 Dec 2017, Stefan Priebe - Profihost AG wrote:
>> Hello,
>>
>> Am 21.11.2017 um 11:06 schrieb Stefan Priebe - Profihost AG:
>>> Hello,
>>>
>>> to measure performance / latency for filestore we used:
>>> filestore:apply_latency
>>> filestore:commitcycle_latency
>>> filestore:journal_latency
>>> filestore:queue_transaction_latency_avg
>>>
>>> What are the correct ones for bluestore?
>>
>> really nobody? Does nobody track the latency under bluestore?
>
> I forget the long names off the top of my head, but the interesting
> latency measures are marked with a low priority and come up (with a wide
> terminal) when you do 'ceph daemonperf osd.N'. You can see the metrics,
> pririties, and descriptions with 'ceph daemon osd.N perf schema'.
uhuh very long list. Any idea which ones are relevant?
ceph daemon osd.8 perf dump
shows me a lot of stuff and even a lot of wait or latancy values.
ceph daemon osd.8 perf dump | egrep "wait|lat"
"kv_flush_lat": {
"kv_commit_lat": {
"kv_lat": {
"state_prepare_lat": {
"state_aio_wait_lat": {
"state_io_done_lat": {
"state_kv_queued_lat": {
"state_kv_commiting_lat": {
"state_kv_done_lat": {
"state_deferred_queued_lat": {
"state_deferred_aio_wait_lat": {
"state_deferred_cleanup_lat": {
"state_finishing_lat": {
"state_done_lat": {
"throttle_lat": {
"submit_lat": {
"commit_lat": {
"read_lat": {
"read_onode_meta_lat": {
"read_wait_aio_lat": {
"compress_lat": {
"decompress_lat": {
"csum_lat": {
"complete_latency": {
"complete_latency": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"op_latency": {
"op_process_latency": {
"op_prepare_latency": {
"op_r_latency": {
"op_r_process_latency": {
"op_r_prepare_latency": {
"op_w_latency": {
"op_w_process_latency": {
"op_w_prepare_latency": {
"op_rw_latency": {
"op_rw_process_latency": {
"op_rw_prepare_latency": {
"op_before_queue_op_lat": {
"op_before_dequeue_op_lat": {
"subop_latency": {
"subop_w_latency": {
"subop_pull_latency": {
"subop_push_latency": {
"osd_tier_flush_lat": {
"osd_tier_promote_lat": {
"osd_tier_r_lat": {
"initial_latency": {
"started_latency": {
"reset_latency": {
"start_latency": {
"primary_latency": {
"peering_latency": {
"backfilling_latency": {
"waitremotebackfillreserved_latency": {
"waitlocalbackfillreserved_latency": {
"notbackfilling_latency": {
"repnotrecovering_latency": {
"repwaitrecoveryreserved_latency": {
"repwaitbackfillreserved_latency": {
"reprecovering_latency": {
"activating_latency": {
"waitlocalrecoveryreserved_latency": {
"waitremoterecoveryreserved_latency": {
"recovering_latency": {
"recovered_latency": {
"clean_latency": {
"active_latency": {
"replicaactive_latency": {
"stray_latency": {
"getinfo_latency": {
"getlog_latency": {
"waitactingchange_latency": {
"incomplete_latency": {
"down_latency": {
"getmissing_latency": {
"waitupthru_latency": {
"notrecovering_latency": {
"get_latency": {
"submit_latency": {
"submit_sync_latency": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
"wait": {
Stefan
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