Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/2964
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GitHub user guozhangwang opened a pull request:
https://github.com/apache/kafka/pull/2964
KAFKA-5130: Refactor TC In-memory Cache
1. Collapsed the `ownedPartitions`, `pendingTxnMap` and the
`transactionMetadataCache` into a single in-memory structure, which is a
two-layered map: fi
