Alyssa Huang created KAFKA-16616:
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Summary: refactor mergeWith in MetadataSnapshot
Key: KAFKA-16616
URL: https://issues.apache.org/jira/browse/KAFKA-16616
Project: Kafka
Issue Type: Improvement
Affects Versions: 3.7.0
Reporter: Alyssa Huang
Right now we keep track of topic ids and partition metadata to add/update
separately in mergeWith (e.g. two maps passed as arguments). This means we
iterate over topic metadata twice which could be costly when we're dealing with
a large number of updates.
`updatePartitionLeadership` which calls `mergeWith` does something similarly
(generates map of topic ids to update in a loop separate from the list of
partition metadata to update) and should be refactored as well.
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