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

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ROCKETMQ-253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16108294#comment-16108294 ] 

ASF GitHub Bot commented on ROCKETMQ-253:
-----------------------------------------

Github user lizhanhui commented on the issue:

    https://github.com/apache/incubator-rocketmq/pull/140
  
    @lindzh Welcome to review this PR.


> 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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