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Bug #18458
closedpoen wrongly delete routed pg stats op before receive pg stats ack
% Done:
0%
Source:
Tags:
Backport:
jewel, kraken
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
a peon may forward the pgstats to leader, and record it locally, but leader will check if
osd has the latest map before process, if not, will use a route op to indicate poen to send it,
then poen will delete routed op when fininaly send out which make poen cannot send pgstatack
when leader has processed the pgstat update. so osd will always track this op until reach a
threshold block pgstats sending, at worst, reopen mon session.
Updated by Kefu Chai over 7 years ago
- Status changed from New to Fix Under Review
- Assignee changed from Kefu Chai to mingxin liu
- Backport set to jewel, kraken
https://github.com/ceph/ceph/pull/12784
this issue might burden monitor a little bit by
- reconnecting it when the connected OSD is not sync'ed with monitor for a while and fails to receive the ack after sending the pg stats with the old osdmap epoch.
- sending a duplicated osdmap message from both peon and leader to the out-sync'ed osd. actually only one osdmap message would suffice.
Updated by Kefu Chai over 7 years ago
- Status changed from Fix Under Review to Pending Backport
Updated by Nathan Cutler over 7 years ago
- Copied to Backport #18553: jewel: peon wrongly delete routed pg stats op before receive pg stats ack added
Updated by Nathan Cutler over 7 years ago
- Copied to Backport #18554: kraken: poen wrongly delete routed pg stats op before receive pg stats ack added
Updated by Nathan Cutler about 7 years ago
- Status changed from Pending Backport to Resolved
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