Jeff Chao created KAFKA-5463:
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Summary: Controller incorrectly logs rack information when new
brokers are added
Key: KAFKA-5463
URL: https://issues.apache.org/jira/browse/KAFKA-5463
Project: Kafka
Issue Type: Bug
Components: config, controller
Affects Versions: 0.10.2.1, 0.10.2.0, 0.11.0.0
Environment: Ubuntu Trusty (14.04.5), Oracle JDK 8
Reporter: Jeff Chao
Priority: Minor
When a new broker is added, on an {{UpdateMetadata request}}, rack information
won't be present in the state-change log even if configured.
Example:
{{pri=TRACE t=Controller-1-to-broker-0-send-thread at=logger Controller 1 epoch
1 received response {error_code=0} for a request sent to broker <ip>:<port>
(id: 0 rack: null)}}
This happens because {{ControllerChannelManager}} always instantiates a
{{Node}} using the same constructor whether or not rack-aware is configured.
We're happy to contribute a patch since this causes some confusion when running
with rack-aware replica placement.
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