rmahindra123 opened a new pull request #3694:
URL: https://github.com/apache/hudi/pull/3694
## What is the purpose of the pull request
Instead of using Json based payloads for the control protocol across
Coordinator and Participants, this PR switches to using Protobuf instead for
proper evolution of the protocol. In addition, we get rid of a couple of
interface methods enforcing throwing IOExceptions. And add log4j to ensure
debug logs while running the kafka connect.
## Brief change log
1. Protobuf for control protocol.
2. Remove throwing exceptions in interface.
## Verify this pull request
Tested with kafka, ZK and confluent schema registry locally.
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