Lianet Magrans created KAFKA-18729:
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Summary: Improve consumer check for assigned topics from regex
Key: KAFKA-18729
URL: https://issues.apache.org/jira/browse/KAFKA-18729
Project: Kafka
Issue Type: Improvement
Components: consumer
Reporter: Lianet Magrans
Fix For: 4.1.0
When using subscriptions to broker-side regex RE2J, the consumer checks if a
topic received in metadata is assigned in order to keep its info. At the
moment, the consumer has no other way but to check the topic against the list
of assigned topicPartitions (which is all that's available).
We should consider improving the check to do it at the topic level, not
topicPartition level . We would need to keep the set of assigned topics from
RE2J regex in the subscription state, updated as assignments as reconciled and
partitions are add/removed. Then we could rely on this topic set for the check
(not all the assigned topicPartitions set)
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