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https://issues.apache.org/jira/browse/ROCKETMQ-192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dongeforever updated ROCKETMQ-192:
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Fix Version/s: 4.2.0-incubating
> Move consumer group rebalance from client to server ??
> -----------------------------------------------------------
>
> Key: ROCKETMQ-192
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-192
> Project: Apache RocketMQ
> Issue Type: Improvement
> Components: rocketmq-client
> Affects Versions: 4.2.0-incubating
> Reporter: zhaoziyan
> Assignee: Xiaorui Wang
> Fix For: 4.2.0-incubating
>
> Attachments: TestConsumerQueue.java
>
>
> Consumer Started.
> Consumer Started.
> Consumer Started.
> Consumer Started.
> RunHello [i=0, num=281]{/192.168.185.172:10911@2=31,
> /192.168.185.172:10911@0=125, /192.168.185.172:10911@1=125}
> RunHello [i=1, num=250]{/192.168.185.172:10911@2=125,
> /192.168.185.172:10911@3=125}
> RunHello [i=2, num=250]{/192.168.186.131:10911@1=125,
> /192.168.186.131:10911@0=125}
> RunHello [i=3, num=250]{/192.168.186.131:10911@3=125,
> /192.168.186.131:10911@2=125}
> SIZE=1000
> 重复31
> Here is my test，I send 1000 msg to the topic.
> The Test show the client may consume the same queue in some case. because of
> the current Group rebalance is doing by the consumer side,in some case , the
> consumer may have diffent view of All Consumer ids.
> for Example: the consumer id 1 see have 3 consumers,but the consumer id 2
> only see 2 consumers, so the same queue may hold by two consumer.
> Kakfa 0.8.2 to 0.9 have redesign the client, move the Group rebalance to
> server side, have we need also move the Rebalance to server side ??
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