Adar Dembo created KUDU-3037:
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Summary: HMS notification log listener runs in follower masters
Key: KUDU-3037
URL: https://issues.apache.org/jira/browse/KUDU-3037
Project: Kudu
Issue Type: Improvement
Components: hms, master
Affects Versions: 1.11.1
Reporter: Adar Dembo
Besides wasting resources, this also emits the same log message every second:
{noformat}
I0108 21:05:07.748235 1443 hms_notification_log_listener.cc:227] Skipping Hive
Metastore notification log poll: Illegal state: Not the leader. Local UUID:
c77bd888023149729481b7fd041b5c83, Raft Consensus state: current_term: 6
committed_config { opid_index: -1 OBSOLETE_local: false peers { permanent_uuid:
"12e9881f0c094a38b83c3b00f71a0ef1" member_type: VOTER last_known_addr { host:
"127.0.60.126" port: 43289 } } peers { permanent_uuid:
"c77bd888023149729481b7fd041b5c83" member_type: VOTER last_known_addr { host:
"127.0.60.125" port: 38761 } } peers { permanent_uuid:
"c362d38459074310a6fbd3da10153538" member_type: VOTER last_known_addr { host:
"127.0.60.124" port: 34903 } } }
{noformat}
We could throttle the log message, though perhaps the more complete solution is
to only activate the log listener in the leader master.
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