Release Notes - Apache RocketMQ - Version 4.3.0

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Below is a summary of the JIRA issues addressed in the 4.3.0 release of RocketMQ. For full documentation of the release, a guide to get started, please refer to Quick Start.

Download the 4.3.0 release

New Feature

  • [ISSUE-203] - Add support of IDC-aware allocator in the consumer
  • [ISSUE-292] - Add support of transactional message

Improvement

  • [ISSUE-184] - Optimize consuming performance when the master crashed out and only slave brokers are available
  • [ISSUE-308] - Increase socket buffer size of name-server to better fit network bandwidth
  • [ISSUE-311] - Add a fast failure mechanism for pulling message requests
  • [ISSUE-315] - Enhance tls mode config
  • [ISSUE-316] - Use dedicated thread pool for heartbeat handler
  • [ISSUE-324] - Make async callback executor of the producer clients pluggable
  • [ISSUE-325] - Enhance broker registration performance, and reduce memory footprint
  • [ISSUE-353] - Add send and consume message commands to mqadmin tool belt
  • [ISSUE-367] - Refactor the logging component to support log4j, log4j2, and logback libraries

Bug

  • [ISSUE-66] - Fix the issue that message body compressed multi times when resending a message.
  • [ISSUE-260] - Fix the concurrency issue in StoreStatsService, to yield more accurate statistics.
  • [ISSUE-276] - Fix the issue that the missing the state validation of pull message service before scheduling new pull request
  • [ISSUE-290] - Fix the memory leak issue in WaitNotifyObject#waitingThreadTable
  • [ISSUE-314] - Fix the issue that message queue size not synchonized when message processing timeout
  • [ISSUE-321] - Fix the concurrency issue in RMQAsyncSendProducer unit test
  • [ISSUE-323] - Fix the issue that semaphore not released after async invocation callback finished
  • [ISSUE-332] - Fix the concurrency issue in MappedFileQueue#findMappedFileByOffset
  • [ISSUE-336] - Fix the wrong format of System.out.printf used in mqadmin
  • [ISSUE-355] - Fix the timeout semantic of async send method

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