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  1. IMPALA
  2. IMPALA-7363

Spurious error generated by sequence file scanner with weird scan range length

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: Impala 3.1.0
    • Fix Version/s: Impala 3.1.0
    • Component/s: Backend
    • Labels:

      Description

      Repro on master

      tarmstrong@tarmstrong-box:~/Impala/incubator-impala$ impala-shell.sh
      Starting Impala Shell without Kerberos authentication
      Connected to localhost:21000
      Server version: impalad version 3.1.0-SNAPSHOT DEBUG (build cec33fa0ae75392668273d40b5a1bc4bbd7e9e2e)
      ***********************************************************************************
      Welcome to the Impala shell.
      (Impala Shell v3.1.0-SNAPSHOT (cec33fa) built on Thu Jul 26 09:50:10 PDT 2018)
      
      To see a summary of a query's progress that updates in real-time, run 'set
      LIVE_PROGRESS=1;'.
      ***********************************************************************************
      [localhost:21000] default> use tpch_seq_snap;
      Query: use tpch_seq_snap
      [localhost:21000] tpch_seq_snap> SET max_scan_range_length=5377;
      MAX_SCAN_RANGE_LENGTH set to 5377
      [localhost:21000] tpch_seq_snap> select count(*)
                                     > from lineitem;
      Query: select count(*)
      from lineitem
      Query submitted at: 2018-07-26 14:10:18 (Coordinator: http://tarmstrong-box:25000)
      Query progress can be monitored at: http://tarmstrong-box:25000/query_plan?query_id=e9428efe173ad2f4:84b66bdb00000000
      
      +----------+
      | count(*) |
      +----------+
      | 5993651  |
      +----------+
      WARNINGS: SkipText: length is negative
      Problem parsing file hdfs://localhost:20500/test-warehouse/tpch.lineitem_seq_snap/000000_0 at 36472193
      

      Found while adding a test for IMPALA-7360

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              • Assignee:
                poojanilangekar Pooja Nilangekar
                Reporter:
                tarmstrong Tim Armstrong
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                • Created:
                  Updated:
                  Resolved: