I suspect that (deep-)scrubbing also has an impact on the epoch
increment. I see those in completely idle clusters as well, the
timestamps of deep-scrubs and epoch changes seem to align more or
less. It's not easy to tell without digging really deep into debug logs.
Zitat von Joel Davidow <jdavi...@nso.edu>:
I'm seeing a similar increase in osdmap epochs with the only diff
from `ceph osd dump` being epoch and modified date. Duration of
osdmap epochs varies a lot on scale of seconds but are generally
less than 10 minutes with a max of about half an hour. This is in a
cephadm cluster running 18.2.4 (upgraded from 16.2.15) with rgw
only. No changes to scrub configs. No snapshots, though
`purged_snaps scrubs` are logged at debug 10. I've set mon debug at
5, 10, 15, and 20 but haven't found anything in those logs that
suggests a cause. There is a chance I've missed something in the
debug 20 log though as it has 1244292 lines. A portion of the debug
15 log is below. Any suggestions on next steps and/or possible
causes are welcome. Thanks.
```
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.443+0000 7f02de959640 10
mon.firelord@0(leader).osd e405676 should_propose
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.647+0000 7f02de959640 10
mon.firelord@0(leader).log v61415522 preprocess_query log(2 entries
from seq 12229 at 2025-03-31T16:20:46.448717+0000) v1 from osd.132
v2:10.224.190.122:6833/3799949454
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.647+0000 7f02de959640 10
mon.firelord@0(leader).log v61415522 preprocess_log log(2 entries
from seq 12229 at 2025-03-31T16:20:46.448717+0000) v1 from osd.132
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.647+0000 7f02de959640 10
mon.firelord@0(leader).log v61415522 prepare_update log(2 entries
from seq 12229 at 2025-03-31T16:20:46.448717+0000) v1 from osd.132
v2:10.224.190.122:6833/3799949454
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.647+0000 7f02de959640 10
mon.firelord@0(leader).log v61415522 prepare_log log(2 entries from
seq 12229 at 2025-03-31T16:20:46.448717+0000) v1 from osd.132
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.647+0000 7f02de959640 10
mon.firelord@0(leader).log v61415522 logging
2025-03-31T16:20:46.448717+0000 osd.132 (osd.132) 12229 : cluster
[DBG] purged_snaps scrub starts
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.647+0000 7f02de959640 10
mon.firelord@0(leader).log v61415522 logging
2025-03-31T16:20:46.449046+0000 osd.132 (osd.132) 12230 : cluster
[DBG] purged_snaps scrub ok
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.723+0000 7f02de959640 10
mon.firelord@0(leader).osd e405676 preprocess_query osd_beacon(pgs
[6.1ef,6.3d,6.2d2,6.5ee,6.102,7.85,6.6da,8.e] lec 405676
last_purged_snaps_scrub 2025-03-30T19:54:39.335243+0000
osd_beacon_report_interval 300 v405676) v3 from osd.177
v2:10.224.190.121:6872/1659276092
Mar 31 16:20:46 firelord bash[2426394]: debug
2025-03-31T16:20:46.723+0000 7f02de959640 10 mon.firelord@0(leader)
e15 no_reply to osd.177 v2:10.224.190.121:6872/1659276092
osd_beacon(pgs [6.1ef,6.3d,6.2d2,6.5ee,6.102,7.85,6.6da,8.e] lec
405676 last_purged_snaps_scrub 2025-03-30T19:54:39.335243+0000
osd_beacon_report_interval 300 v405676) v3
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.723+0000 7f02de959640 7 mon.0@0(leader).osd
e405676 prepare_update osd_beacon(pgs
[6.1ef,6.3d,6.2d2,6.5ee,6.102,7.85,6.6da,8.e] lec 405676
last_purged_snaps_scrub 2025-03-30T19:54:39.335243+0000
osd_beacon_report_interval 300 v405676) v3 from osd.177
v2:X.X.X.121:6872/1659276092
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.723+0000 7f02de959640 10 mon.0@0(leader).osd
e405676 prepare_beacon osd_beacon(pgs
[6.1ef,6.3d,6.2d2,6.5ee,6.102,7.85,6.6da,8.e] lec 405676
last_purged_snaps_scrub 2025-03-30T19:54:39.335243+0000
osd_beacon_report_interval 300 v405676) v3 from osd.177
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.839+0000 7f02de959640 10 mon.0@0(leader) e15
no_reply to mgr.24259957 X.X.X.154:0/1735542615 monmgrreport(gid
24259957, 0 checks, 0 progress events) v3
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.839+0000 7f02de959640 10 mon.0@0(leader).mgrstat
prepare_report 2721 pgs: 2710 active+clean, 11
active+clean+scrubbing+deep; 259 TiB data, 434 TiB used, 4.0 PiB /
4.4 PiB avail; 206 KiB/s rd, 208 op/s, 0 health checks, 0 progress
events
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.899+0000 7f02e115e640 10
mon.0@0(leader).elector(306) send_peer_ping to peer 1
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.899+0000 7f02e115e640 10
mon.0@0(leader).elector(306) send_peer_ping to peer 2
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.899+0000 7f02e115e640 10
mon.0@0(leader).elector(306) send_peer_ping to peer 3
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.899+0000 7f02e115e640 10
mon.0@0(leader).elector(306) send_peer_ping to peer 4
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.899+0000 7f02de959640 10
mon.0@0(leader).elector(306) assimilate_connection_reports
Mar 31 16:20:46 mon.0 bash[2426394]: message repeated 3 times: [
debug 2025-03-31T16:20:46.899+0000 7f02de959640 10
mon.0@0(leader).elector(306) assimilate_connection_reports]
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.987+0000 7f02de959640 10
mon.0@0(leader).elector(306) assimilate_connection_reports
Mar 31 16:20:46 mon.0 bash[2426394]: debug
2025-03-31T16:20:46.987+0000 7f02de959640 10
mon.0@0(leader).elector(306) assimilate_connection_reports
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 10 mon.0@0(leader).log
v61415522 encode_pending v61415523
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 10 mon.0@0(leader).log
v61415522 encode_pending pruning channel cluster 19229268 -> 19229271
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 10 mon.0@0(leader).mgrstat
53693941
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 10 mon.0@0(leader) e15
log_health updated 0 previous 0
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 encode_pending e 405677
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 1 mon.0@0(leader).osd
e405676 do_prune osdmap full prune enabled
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.127+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 should_prune could only prune 5 epochs (405171..405176),
which is less than the required minimum (10000)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 update_pending_pgs
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 1
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 2
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 3
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 4
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 5
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 6
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 7
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 scan_for_creating_pgs already created 8
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 update_pending_pgs 0 pools queued
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 update_pending_pgs 0 pgs removed because they're created
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 update_pending_pgs queue remaining: 0 pools
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 update_pending_pgs 0/0 pgs added from queued pools
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader).osd
e405676 encode_pending encoding full map with reef features
1080873258835847684
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.143+0000 7f02e115e640 10 mon.0@0(leader) e15
log_health updated 0 previous 0
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader) e15
refresh_from_paxos
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 update_from_paxos
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 update_from_paxos version 61415523 summary v 61415522
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 update_from_paxos latest full 61415484
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 7 mon.0@0(leader).log
v61415523 update_from_paxos applying incremental log 61415523
2025-03-31T16:20:46.448717+0000 osd.132 (osd.132) 12229 : cluster
[DBG] purged_snaps scrub starts
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 7 mon.0@0(leader).log
v61415523 update_from_paxos applying incremental log 61415523
2025-03-31T16:20:46.449046+0000 osd.132 (osd.132) 12230 : cluster
[DBG] purged_snaps scrub ok
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 summary.channel_info
{=0,1,audit=6468256,6478256,cephadm=125508,135508,cluster=19229271,19239273}
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 check_subs
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 check_sub client wants log-info ver 61415523
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 _create_sub_incremental level 1 ver 61415523 cur summary
ver 61415523
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 _create_sub_incremental incremental message ready (0
entries)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 check_sub sending message to mgr.24259957 with 0 entries
(version 61415523)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.147+0000 7f02dc154640 10 mon.0@0(leader).auth
v35561 update_from_paxos
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.155+0000 7f02dc154640 10 mon.0@0(leader).config
load_config unrecognized option 'mgr/pg_autoscaler/noautoscale'
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.155+0000 7f02dc154640 10 mon.0@0(leader).config
load_config got 87 keys
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.159+0000 7f02dc154640 10 mon.0@0(leader).mgr
e164 prime_mgr_client
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.159+0000 7f02dc154640 10 mon.0@0(leader).mgrstat
53693940
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 10 mon.0@0(leader).mgrstat
update_from_paxos v53693940 service_map e14807793 0 progress events
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 10 mon.0@0(leader).mgrstat
check_subs
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 10 mon.0@0(leader).mgrstat
check_sub next 14807794 vs service_map.epoch 14807793
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 10 mon.0@0(leader).health
update_from_paxos
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 create_pending v 61415524
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 7 mon.0@0(leader).log
v61415523 _updated_log for osd.132 v2:X.X.X.122:6833/3799949454
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.163+0000 7f02dc154640 2 mon.0@0(leader) e15
send_reply 0x556dba76d680 0x556dba48ca80 log(last 12230) v1
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.171+0000 7f02dc154640 10 mon.0@0(leader) e15
refresh_from_paxos
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.171+0000 7f02dc154640 15 mon.0@0(leader).osd
e405676 update_from_paxos paxos e 405677, my e 405676
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.171+0000 7f02dc154640 7 mon.0@0(leader).osd
e405676 update_from_paxos loading creating_pgs last_scan_epoch
405676 with 0 pgs
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.171+0000 7f02dc154640 7 mon.0@0(leader).osd
e405676 update_from_paxos applying incremental 405677
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.171+0000 7f02dc154640 1 mon.0@0(leader).osd
e405677 e405677: 355 total, 355 up, 355 in
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_subs
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_sub 0x556dbf539860 next 405677 (onetime)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 5 mon.0@0(leader).osd
e405677 send_incremental [405677..405677] to mgr.24259957
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405677..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_sub 0x556dc40a27e0 next 405677 (onetime)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 5 mon.0@0(leader).osd
e405677 send_incremental [405677..405677] to client.?
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405677..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_sub 0x556dd03810e0 next 405677 (onetime)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 5 mon.0@0(leader).osd
e405677 send_incremental [405677..405677] to client.?
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405677..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_sub 0x556dc12e36e0 next 405677 (onetime)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 5 mon.0@0(leader).osd
e405677 send_incremental [405677..405677] to client.5361270
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405677..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_sub 0x556de3549920 next 405677 (onetime)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 5 mon.0@0(leader).osd
e405677 send_incremental [405677..405677] to client.5350016
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405677..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 check_osdmap_sub 0x556dbb13c660 next 405677 (onetime)
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 5 mon.0@0(leader).osd
e405677 send_incremental [405677..405677] to client.5370846
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405677..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 committed, telling random osd.138 all about it
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 build_incremental [405676..405677] with features
3f01cfbffffdffff
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).osd
e405677 update_logger
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 update_from_paxos
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).log
v61415523 update_from_paxos version 61415523 summary v 61415523
Mar 31 16:20:47 mon.0 bash[2426394]: debug
2025-03-31T16:20:47.175+0000 7f02dc154640 10 mon.0@0(leader).auth
v35561 update_from_paxos
```
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