Rajini Sivaram created KAFKA-5735:
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Summary: Client-ids are not handled consistently by clients and
broker
Key: KAFKA-5735
URL: https://issues.apache.org/jira/browse/KAFKA-5735
Project: Kafka
Issue Type: Bug
Components: clients, core
Affects Versions: 0.11.0.0
Reporter: Rajini Sivaram
Assignee: Rajini Sivaram
Fix For: 1.0.0
At the moment, Java clients expect client-ids to use a limited set of
characters so that they can be used without quoting in metrics.
kafka-configs.sh allows quotas to be defined only for that limited set. But the
broker does not validate client-ids. And the documentation does not mention any
limitations. We need to either limit characters used in client-ids, document
and validate them or we should allow any characters and treat them consistently
in the same way as we handle user principals.
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