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Posted to issues@rocketmq.apache.org by "Zhanhui Li (JIRA)" <ji...@apache.org> on 2017/07/30 16:49:02 UTC

[jira] [Created] (ROCKETMQ-253) Compress RegisterBrokerBody

Zhanhui Li created ROCKETMQ-253:
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             Summary: Compress RegisterBrokerBody
                 Key: ROCKETMQ-253
                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-253
             Project: Apache RocketMQ
          Issue Type: Improvement
          Components: rocketmq-broker, rocketmq-commons, rocketmq-namesrv
            Reporter: Zhanhui Li
            Assignee: yukon


RocketMQ Brokers periodically register itself against namesrv to maintain its liveness.
In case a broker has many topics, a 10 thousand or more, two major problematic issues show up:
1) Current serialization of RegisterBrokerBody would create a large String object, which stresses GC  a lot, especially when G1 is used.
2) Transmission this bulk of data takes up significant portion of bandwidth.



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