xiongqi wu created KAFKA-8249:
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Summary: partition reassignment may never finish if topic deletion
completes first
Key: KAFKA-8249
URL: https://issues.apache.org/jira/browse/KAFKA-8249
Project: Kafka
Issue Type: Bug
Reporter: xiongqi wu
Assignee: xiongqi wu
kafka allows topic deletion to complete successfully when there are pending
partition reassignments of the same topics. (if topic deletion request comes
after partition reassignment).
This leads several issues: 1) pending partition reassignments of deleted topic
never complete because the topic is deleted. 2) onPartitionReassignment ->
updateAssignedReplicasForPartition will throw out IllegalStateException for
non-existing node. This in turns causes controller not to resume topic deletion
for online broker and also fail to register broker notification handler (etc.)
during onBrokerStartup.
To fix, we need to clean up pending partition reassignment during topic
deletion.
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