Mayuresh Gharat created KAFKA-2253:
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Summary: Deadlock in delayed operation purgatory
Key: KAFKA-2253
URL: https://issues.apache.org/jira/browse/KAFKA-2253
Project: Kafka
Issue Type: Bug
Reporter: Mayuresh Gharat
Assignee: Guozhang Wang
With purgatory usage in consumer coordinator, it will be common that watcher
lists are very short and live only for a short time. So we'd better clean them
from the watchersForKey Pool once the list become empty in checkAndComplete()
calls.
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