Xavier Léauté created KAFKA-6164:
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Summary: ClientQuotaManager threads prevent shutdown when
encountering an error loading logs
Key: KAFKA-6164
URL: https://issues.apache.org/jira/browse/KAFKA-6164
Project: Kafka
Issue Type: Bug
Affects Versions: 0.11.0.0, 1.0.0
Reporter: Xavier Léauté
Priority: Major
While diagnosing KAFKA-6163, we noticed that when the broker initiates a
shutdown sequence in response to an error loading the logs, the process never
exits. The JVM appears to be waiting indefinitely for several non-deamon
threads to terminate.
The threads in question are {{ThrottledRequestReaper-Request}},
{{ThrottledRequestReaper-Produce}}, and {{ThrottledRequestReaper-Fetch}}, so it
appears we don't properly shutdown {{ClientQuotaManager}} in this situation.
QuotaManager shutdown is currently handled by KafkaApis, however KafkaApis will
never be instantiated in the first place if we encounter an error loading the
logs, so quotamangers are left dangling in that case.
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