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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/10/20 13:33:20 UTC

[GitHub] [incubator-doris] vergilchiu opened a new issue #4773: fe's connection whic is timed out can't be released

vergilchiu opened a new issue #4773:
URL: https://github.com/apache/incubator-doris/issues/4773


   **Describe the bug**
   Number of fe's connection will keep growing, even though my client is timed out。
   Finally the maximum number of connections is exceeded and the client can not connect to fe server any more.
   
   [my conf]
   max_user_connections=100
   
   
   **Exception**
   [fe.out]
   INFO: Use Simple share channel pool to create protobuf RPC proxy with interface interface org.apache.doris.rpc.PBackendService
   Exception in thread "ConnectScheduler Check Timer" java.util.ConcurrentModificationException
           at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
           at java.util.HashMap$ValueIterator.next(HashMap.java:1474)
           at org.apache.doris.qe.ConnectScheduler$TimeoutChecker.run(ConnectScheduler.java:89)
           at java.util.TimerThread.mainLoop(Timer.java:555)
           at java.util.TimerThread.run(Timer.java:505)
   
   **OS env**
    - OS: centos7
    - Version 0.12
   
   


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[GitHub] [incubator-doris] vergilchiu closed issue #4773: fe's connection whic is timed out can't be released

Posted by GitBox <gi...@apache.org>.
vergilchiu closed issue #4773:
URL: https://github.com/apache/incubator-doris/issues/4773


   


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