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Posted to issues@impala.apache.org by "Mostafa Mokhtar (JIRA)" <ji...@apache.org> on 2017/09/23 01:20:00 UTC

[jira] [Created] (IMPALA-5974) Concurrent hung with lots of fragments blocked in KrpcDataStreamSender::Channel::WaitForRpc(std::unique_lock

Mostafa Mokhtar created IMPALA-5974:
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             Summary: Concurrent hung with lots of fragments blocked in KrpcDataStreamSender::Channel::WaitForRpc(std::unique_lock
                 Key: IMPALA-5974
                 URL: https://issues.apache.org/jira/browse/IMPALA-5974
             Project: IMPALA
          Issue Type: Sub-task
          Components: Distributed Exec
            Reporter: Mostafa Mokhtar
            Assignee: Sailesh Mukil
            Priority: Blocker
         Attachments: krpc-hung-stacks.tar.gz

While running 32 concurrent TPCDS queries 130 node cluster some queries stopped making progress. 
Attached the thread dump for backend. 



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