[GitHub] [incubator-brpc] cool-colo opened a new issue #986: 0.96 release WRR负载均衡分配的QPS不均匀

[GitBox <gi...@apache.org>]

cool-colo opened a new issue #986: 0.96 release WRR负载均衡分配的QPS不均匀
URL: https://github.com/apache/incubator-brpc/issues/986
 
 
   **Describe the bug (描述bug)**
   0.96 release WRR负载均衡分配的QPS不均匀
   老版本正常的，新版就经常出现下游QPS不均匀的问题。
   新版平时波动也比老版本大， 偶尔出非常大的波动（上线，或qps高峰期经常出现） 
   
   
   **To Reproduce (复现方法)**
   1. brpc做client 发http请求
   2. 负载均衡为WRR
   3. IP列表为list形式， 100+下游机器
   
   
   **Expected behavior (期望行为)**
   下游QPS分布均匀
   
   **Versions (各种版本)**
   OS:
   Compiler:
   brpc:
   protobuf:
   
   **Additional context/screenshots (更多上下文/截图)**
   096版本出问题时候的qps截图
   <img width="866" alt="屏幕快照 2019-12-05 下午9 05 41" src="https://user-images.githubusercontent.com/20718701/70237946-3258a600-17a3-11ea-947d-bf227f43f167.png">
   
   回滚到1年以前的版本恢复正常
   <img width="688" alt="屏幕快照 2019-12-05 下午9 09 06" src="https://user-images.githubusercontent.com/20718701/70238083-89f71180-17a3-11ea-9f49-aeeb21685ca4.png">
   
   

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