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From "Taras Bobrovytsky (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IMPALA-5761) Flaky test: TestRowsAvailability::test_rows_availability
Date Thu, 03 Aug 2017 17:41:01 GMT
Taras Bobrovytsky created IMPALA-5761:
-----------------------------------------

             Summary: Flaky test: TestRowsAvailability::test_rows_availability
                 Key: IMPALA-5761
                 URL: https://issues.apache.org/jira/browse/IMPALA-5761
             Project: IMPALA
          Issue Type: Bug
          Components: Infrastructure
    Affects Versions: Impala 2.10.0
            Reporter: Taras Bobrovytsky


There was a random failure in one of our builds of the TestRowsAvailability test.

Here's what the error looks like:
{code}
 TestRowsAvailability.test_rows_availability[query: select * from functional.alltypestiny
where month = 1 and bool_col = sleep(1000) | exec_option: {'batch_size': 0, 'num_nodes': 0,
'disable_codegen_rows_threshold': 0, 'disable_codegen': False, 'abort_on_error': 1, 'exec_single_node_rows_threshold':
0} | table_format: text/none] 
query_test/test_rows_availability.py:84: in test_rows_availability
    assert rows_avail_ms >= self.ROWS_AVAIL_LOWER_BOUND_MS,\
E   AssertionError: The 'Rows available' timeline event was marked prematurely 1844ms after
the previous timeline event.
E     Expected the event to be marked no earlier than 2000ms after the previous event.
E     Query: select * from functional.alltypestiny where month = 1 and bool_col = sleep(1000)
E   assert 1844 >= 2000
E    +  where 2000 = <test_rows_availability.TestRowsAvailability object at 0x7fafcb526c10>.ROWS_AVAIL_LOWER_BOUND_MS
{code}



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