Viktor Somogyi-Vass created KAFKA-9154:
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Summary: ProducerId generation should be managed by the Controller
Key: KAFKA-9154
URL: https://issues.apache.org/jira/browse/KAFKA-9154
Project: Kafka
Issue Type: Sub-task
Components: core
Reporter: Viktor Somogyi-Vass
Currently producerIds are maintained in Zookeeper but in the future we'd like
them to be managed by the controller quorum in an internal topic.
The reason for storing this in Zookeeper was that this must be unique across
the cluster. In this task it should be refactored such that the
TransactionManager turns to the Controller for a ProducerId which connects to
Zookeeper to acquire this ID. Since ZK is the single source of truth and the
PID won't be cached anywhere it should be safe (just one extra hop added).
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