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  1. IMPALA
  2. IMPALA-8496

test_data_cache.py is flaky

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: Impala 3.3.0
    • Fix Version/s: Impala 3.3.0
    • Component/s: Backend
    • Labels:
    • Epic Color:
      ghx-label-2

      Description

      The test failed intermittently like the following:

      00:03:33 custom_cluster/test_data_cache.py:39: in test_data_cache
      00:03:33     self.run_test_case('QueryTest/data-cache', vector, unique_database)
      00:03:33 common/impala_test_suite.py:565: in run_test_case
      00:03:33     update_section=pytest.config.option.update_results)
      00:03:33 common/test_result_verifier.py:605: in verify_runtime_profile
      00:03:33     actual))
      00:03:33 E   AssertionError: Did not find matches for lines in runtime profile:
      00:03:33 E   EXPECTED LINES:
      00:03:33 E   row_regex: .*DataCacheHitCount: 6 \(6\).*
      00:03:33 E   row_regex: .*DataCacheMissBytes: 0.*
      00:03:33 E   row_regex: .*DataCacheMissCount: 0 \(0\).*
      

      There were unexpected cache misses:

      00:03:33 E            - DataCacheHitBytes: 6.33 MB (6635932)
      00:03:33 E            - DataCacheHitCount: 5 (5)
      00:03:33 E            - DataCacheMissBytes: 3.33 MB (3494957)
      00:03:33 E            - DataCacheMissCount: 1 (1)
      

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              • Assignee:
                kwho Michael Ho
                Reporter:
                kwho Michael Ho
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                • Created:
                  Updated:
                  Resolved: