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Posted to issues@impala.apache.org by "Michael Ho (JIRA)" <ji...@apache.org> on 2017/10/25 01:15:00 UTC

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

     [ https://issues.apache.org/jira/browse/IMPALA-5974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Ho resolved IMPALA-5974.
--------------------------------
    Resolution: Fixed

The code which contains this problem was never merged upstream so leaving Fix Version blank.

> 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: Michael Ho
>            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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