[GitHub] Miracles520 opened a new issue #562: Does Consumer Affect Producer's Tps？

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Miracles520 opened a new issue #562: Does Consumer Affect Producer's Tps？
URL: https://github.com/apache/rocketmq/issues/562
 
 
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   **BUG REPORT**
   
   1. Please describe the issue you observed:
   
   - What did you do (The steps to reproduce)?
   	只启动生产者（并尽可能增加生产者TPS）打入1个topic，TPS：10w
   
   	在上面的基础上增加消费者，1个消费者组，每组1个消费者，订阅1个topic不过滤tag。生产者TPS：7.5w,消费者TPS:7.5w
   
   	生产者不变的情况下，将消费者变为1个消费者组，每组50个消费者，订阅1个topic不过滤tag。生产者TPS:6w，消费者TPS:6w
   
   	生产者不变的情况下，将消费者变为50个消费者组，每组1个消费者，订阅1个topic不过滤tag。生产者TPS:1.2w，消费者TPS:54w
   
   - What did you expect to see?
   	消费者不影响生产者tps
   - What did you see instead?
   	消费者组内消费者的增加或者消费者组的增加，会影响生产者的tps
   2. Please tell us about your environment:
   	单master,24core,64g,rocketmq4.2.0,jdk1.8
   
   3. Other information (e.g. detailed explanation, logs, related issues, suggestions how to fix, etc):
   	消息大小为1k，异步落盘
   
   **FEATURE REQUEST**
   
   1. Please describe the feature you are requesting.
   
   2. Provide any additional detail on your proposed use case for this feature.
   
   2. Indicate the importance of this issue to you (blocker, must-have, should-have, nice-to-have). Are you currently using any workarounds to address this issue?
   
   4. If there are some sub-tasks using -[] for each subtask and create a corresponding issue to map to the sub task:
   
   - [sub-task1-issue-number](example_sub_issue1_link_here): sub-task1 description here, 
   - [sub-task2-issue-number](example_sub_issue2_link_here): sub-task2 description here,
   - ...
   

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