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Posted to commits@rocketmq.apache.org by "jiao-duan (via GitHub)" <gi...@apache.org> on 2024/11/29 01:53:44 UTC

[I] 实际效果和官方文档不对应 [rocketmq]

jiao-duan opened a new issue, #9004:
URL: https://github.com/apache/rocketmq/issues/9004

   ### Before Creating the Bug Report
   
   - [X] I found a bug, not just asking a question, which should be created in [GitHub Discussions](https://github.com/apache/rocketmq/discussions).
   
   - [X] I have searched the [GitHub Issues](https://github.com/apache/rocketmq/issues) and [GitHub Discussions](https://github.com/apache/rocketmq/discussions)  of this repository and believe that this is not a duplicate.
   
   - [X] I have confirmed that this bug belongs to the current repository, not other repositories of RocketMQ.
   
   
   ### Runtime platform environment
   
   MacOS
   
   ### RocketMQ version
   
   5.2.0
   
   ### JDK Version
   
   1.8
   
   ### Describe the Bug
   
   官方文档的描述是5.X版本以后是消息级别的负载：![image](https://github.com/user-attachments/assets/e9212464-afe1-4f77-81d6-52234ca38d20)
   源码版本为：
   ![image](https://github.com/user-attachments/assets/b3d5a59b-b22d-4639-a61a-6d9e07cc3965)
   源码中PushConsumer使用的还是AllocateMessageQueueAveragely负载均衡类 
   ![image](https://github.com/user-attachments/assets/e2550be0-1841-4970-b8f8-7b460bce2bc9)
   实际使用和测试都发现，超过队列数以后得消费者都不会被分配对应的队列，那此时不是还是队列粒度的负载均衡么？为何官方文档提到的是消息粒度的？
   
   ### Steps to Reproduce
   
   `List<String> cidAll = Arrays.asList("cid-1", "cid-2", "cid-3", "cid-4", "cid-5", "cid-6", "cid-7");
           List<MessageQueue> mqAll = Arrays.asList(
               new MessageQueue("topic", "broker-a", 0),
               new MessageQueue("topic", "broker-a", 1),
               new MessageQueue("topic", "broker-a", 2),
               new MessageQueue("topic", "broker-a", 3)
           );
   
           List<MessageQueue> testallocate = testallocate("group-1", "cid-7", mqAll, cidAll);
           System.out.println(testallocate);`
   以上是简单的测试用例，发现后面的消费者都是没有分配队列的
   
   ### What Did You Expect to See?
   
   我希望看到的是符合官方文档中提到的消息级别的负载均衡
   
   ### What Did You See Instead?
   
   无
   
   ### Additional Context
   
   _No response_


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Re: [I] 负载均衡的实际效果和官方文档不对应 [rocketmq]

Posted by "jiao-duan (via GitHub)" <gi...@apache.org>.
jiao-duan commented on issue #9004:
URL: https://github.com/apache/rocketmq/issues/9004#issuecomment-2507000404

   官方文档说的默认的push和pull都支持啊


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Re: [I] 负载均衡的实际效果和官方文档不对应 [rocketmq]

Posted by "drpmma (via GitHub)" <gi...@apache.org>.
drpmma commented on issue #9004:
URL: https://github.com/apache/rocketmq/issues/9004#issuecomment-2507014826

   5.0 SDK指的是这个版本的客户端，https://github.com/apache/rocketmq-clients。
   
   可能理解上会有歧义。


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Re: [I] 实际效果和官方文档不对应 [rocketmq]

Posted by "jiao-duan (via GitHub)" <gi...@apache.org>.
jiao-duan commented on issue #9004:
URL: https://github.com/apache/rocketmq/issues/9004#issuecomment-2506943396

   应该相信官方文档描述还是相信实际实验效果和源码？


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Re: [I] 负载均衡的实际效果和官方文档不对应 [rocketmq]

Posted by "RongtongJin (via GitHub)" <gi...@apache.org>.
RongtongJin closed issue #9004: 负载均衡的实际效果和官方文档不对应
URL: https://github.com/apache/rocketmq/issues/9004


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Re: [I] 负载均衡的实际效果和官方文档不对应 [rocketmq]

Posted by "yiduwangkai (via GitHub)" <gi...@apache.org>.
yiduwangkai commented on issue #9004:
URL: https://github.com/apache/rocketmq/issues/9004#issuecomment-2506974939

   需要设置消费模式为pop消费


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