Junyang Liu created KAFKA-14285:
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Summary: Delete quota node in zookeeper when configs are empty
Key: KAFKA-14285
URL: https://issues.apache.org/jira/browse/KAFKA-14285
Project: Kafka
Issue Type: Improvement
Components: core
Affects Versions: 3.3.1, 2.7.2
Reporter: Junyang Liu
When configuring flow control quota for users and clients, Kafka will add a
child node to /config/users or /config/clients in zookeeper. When deleting a
flow control quota config, the existing node in zookeeper will not be deleted
even if the configs in the node are empty. So if a client repeatedly configure
and delete flow control quota for different users and clients, the node in
zookeeper will increase continuously, which may leads to severe problems such
as memory leak.
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