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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/06/02 01:33:24 UTC

[GitHub] [dubbo] xiaotongwang1 opened a new issue, #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

xiaotongwang1 opened a new issue, #10111:
URL: https://github.com/apache/dubbo/issues/10111

   ### Environment
   
   * Dubbo version: 2.7.15
   
   
   ### Steps to reproduce this issue
   
   Dubbo一致性Hash loadbalance存在缺陷，会导致CPU100%
   
   Due to a defect in the hash load balance of Dubbo consistency, the CPU usage is 100%.
   


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[GitHub] [dubbo] AlbumenJ closed issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
AlbumenJ closed issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.
URL: https://github.com/apache/dubbo/issues/10111


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[GitHub] [dubbo] AlbumenJ commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1150913106

   可以在负载高的时候采集下火焰图，看下热点在哪里


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[GitHub] [dubbo] edhn3000 commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
edhn3000 commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1383825354

   我这里使用的是version 2.7.18，遇到一致性hash负载占用cpu高的问题，请问这个问题在2.7.x有修复吗
   dump看线程都是在执行org.apache.dubbo.rpc.cluster.loadbalance.ConsistentHashLoadBalance.ConsistentHashSelector#selectForKey
   看了下火焰图在getHigherEntry中比较应该是比较占用cpu的
   ![fire_1](https://user-images.githubusercontent.com/7310121/212655741-7b6775a5-6388-4e14-828a-284b54bbac2d.png)
   
   ![fire_2](https://user-images.githubusercontent.com/7310121/212655774-3c2444ef-10ec-4de8-b2b5-a635907e3de9.png)
   
   ![fire_3](https://user-images.githubusercontent.com/7310121/212655799-fe1516d1-a824-49c6-a2c5-1d53caf9fb92.png)
   


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[GitHub] [dubbo] xiaotongwang1 commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
xiaotongwang1 commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1166175548

   @[laddcn](https://github.com/laddcn) @AlbumenJ @[chickenlj](https://github.com/chickenlj)
   当前这块代码存在死循环的BUG，这个代码能否回滚？


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[GitHub] [dubbo] xiaotongwang1 commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
xiaotongwang1 commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1154849091

   @AlbumenJ 
   ![image](https://user-images.githubusercontent.com/6071261/173525457-a26d75cb-19b3-4bb0-a988-e258a6552a72.png)
   


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[GitHub] [dubbo] AlbumenJ commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1384888599

   > 我这里使用的是version 2.7.18，遇到一致性hash负载占用cpu高的问题，请问这个问题在2.7.x有修复吗 dump看线程都是在执行org.apache.dubbo.rpc.cluster.loadbalance.ConsistentHashLoadBalance.ConsistentHashSelector#selectForKey 看了下火焰图在getHigherEntry中比较应该是比较占用cpu的 ![fire_1](https://user-images.githubusercontent.com/7310121/212655741-7b6775a5-6388-4e14-828a-284b54bbac2d.png)
   > 
   > ![fire_2](https://user-images.githubusercontent.com/7310121/212655774-3c2444ef-10ec-4de8-b2b5-a635907e3de9.png)
   > 
   > ![fire_3](https://user-images.githubusercontent.com/7310121/212655799-fe1516d1-a824-49c6-a2c5-1d53caf9fb92.png)
   
   Fix in 3.x. 2.7.x is only for security maintian now.


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[GitHub] [dubbo] xiaotongwang1 commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
xiaotongwang1 commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1155900709

   ![image](https://user-images.githubusercontent.com/6071261/173722032-557b9d68-5ab1-4962-9df4-1d9152ff629d.png)
   


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[GitHub] [dubbo] xiaotongwang1 commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
xiaotongwang1 commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1155899684

   @[laddcn](https://github.com/laddcn)
   can you recheck you pr :https://github.com/apache/dubbo/pull/8948 


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[GitHub] [dubbo] edhn3000 commented on issue #10111: Critical bug: Consistency loadbalance cause the CPU usage is 100%.

Posted by GitBox <gi...@apache.org>.
edhn3000 commented on issue #10111:
URL: https://github.com/apache/dubbo/issues/10111#issuecomment-1383781097

   问一下这个问题在2.7.x中修复了吗


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