Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Impala 2.8.0
    • Fix Version/s: Impala 2.8.0
    • Component/s: Backend
    • Labels:

      Description

      Repro:

      set mt_dop=1;
      select null;
      

      Dcheck:

      F1025 17:21:33.506001 18517 simple-scheduler.cc:433] Check failed: !ContainsNode(fragment.plan, TPlanNodeType::UNION_NODE) 
      

      Stack:

      #7  0x00000000013f46b2 in impala::SimpleScheduler::MtComputeFragmentExecParams (this=0xbe0b340, 
          plan_exec_info=..., fragment_params=0xc2de580, schedule=0xdc9e1c0)
          at /home/abehm/impala/be/src/scheduling/simple-scheduler.cc:433
      #8  0x00000000013f3f3f in impala::SimpleScheduler::MtComputeFragmentExecParams (this=0xbe0b340, 
          schedule=0xdc9e1c0) at /home/abehm/impala/be/src/scheduling/simple-scheduler.cc:378
      #9  0x00000000013f7629 in impala::SimpleScheduler::Schedule (this=0xbe0b340, schedule=0xdc9e1c0)
          at /home/abehm/impala/be/src/scheduling/simple-scheduler.cc:888
      #10 0x00000000014cc4a4 in impala::ImpalaServer::QueryExecState::ExecQueryOrDmlRequest (this=0xc3be000, 
          query_exec_request=...) at /home/abehm/impala/be/src/service/query-exec-state.cc:444
      #11 0x00000000014c93f3 in impala::ImpalaServer::QueryExecState::Exec (this=0xc3be000, 
          exec_request=0x7fd894788880) at /home/abehm/impala/be/src/service/query-exec-state.cc:154
      #12 0x000000000145743e in impala::ImpalaServer::ExecuteInternal (this=0xc28a400, query_ctx=..., 
          session_state=std::shared_ptr (count 6, weak 0) 0xbb44900, registered_exec_state=0x7fd894789f2f, 
          exec_state=0x7fd89478a2c0) at /home/abehm/impala/be/src/service/impala-server.cc:817
      #13 0x0000000001456c6a in impala::ImpalaServer::Execute (this=0xc28a400, query_ctx=0x7fd894789fc0, 
          session_state=std::shared_ptr (count 6, weak 0) 0xbb44900, exec_state=0x7fd89478a2c0)
          at /home/abehm/impala/be/src/service/impala-server.cc:764
      #14 0x00000000014be211 in impala::ImpalaServer::query (this=0xc28a400, query_handle=..., query=...)
          at /home/abehm/impala/be/src/service/impala-beeswax-server.cc:66
      

        Activity

        Hide
        alex.behm Alexander Behm added a comment -

        commit 0d857237a8d5231caf9af4c30d4134b151cd1e0d
        Author: Marcel Kornacker <marcel@cloudera.com>
        Date: Tue Oct 4 20:40:18 2016 -0400

        IMPALA-4314: Standardize on MT-related data structures

        This removes the data structures that were "superceded" in
        IMPALA-3903 and changes all control flow to utilize the
        new data structures. The new data structures are renamed
        to remove the "Mt" prefix.

        Change-Id: I465d0e15e2cf17cafe4c747d34c8f595d3645151
        Reviewed-on: http://gerrit.cloudera.org:8080/4853
        Reviewed-by: Marcel Kornacker <marcel@cloudera.com>
        Tested-by: Tim Armstrong <tarmstrong@cloudera.com>

        Show
        alex.behm Alexander Behm added a comment - commit 0d857237a8d5231caf9af4c30d4134b151cd1e0d Author: Marcel Kornacker <marcel@cloudera.com> Date: Tue Oct 4 20:40:18 2016 -0400 IMPALA-4314 : Standardize on MT-related data structures This removes the data structures that were "superceded" in IMPALA-3903 and changes all control flow to utilize the new data structures. The new data structures are renamed to remove the "Mt" prefix. Change-Id: I465d0e15e2cf17cafe4c747d34c8f595d3645151 Reviewed-on: http://gerrit.cloudera.org:8080/4853 Reviewed-by: Marcel Kornacker <marcel@cloudera.com> Tested-by: Tim Armstrong <tarmstrong@cloudera.com>

          People

          • Assignee:
            marcelk Marcel Kornacker
            Reporter:
            alex.behm Alexander Behm
          • Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development