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https://issues.apache.org/jira/browse/IMPALA-14171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18016607#comment-18016607
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ASF subversion and git services commented on IMPALA-14171:
----------------------------------------------------------

Commit 669d74f467193b575ec203ce45c5b3c02141a257 in impala's branch 
refs/heads/master from stiga-huang
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=669d74f46 ]

IMPALA-14171: Deflake TestQueryExecTimeLimit.test_exec_time_limit_long_plan

The test expects a "SELECT..LIMIT 1" query on tpch.lineitem to finish in
2s. This could be impacted by other concurrent tests when memory
reservation is used up. This patch marks the test to run serially to
avoid the impact from other tests.

Change-Id: Ibbb2f1a34e24c83a3d2c69d2daa4dece8d94ec1e
Reviewed-on: http://gerrit.cloudera.org:8080/23351
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>


> TestQueryExecTimeLimit.test_exec_time_limit_long_plan hits expiration
> ---------------------------------------------------------------------
>
>                 Key: IMPALA-14171
>                 URL: https://issues.apache.org/jira/browse/IMPALA-14171
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 5.0.0
>            Reporter: Joe McDonnell
>            Priority: Critical
>              Labels: broken-build, flaky
>         Attachments: query_log.txt
>
>
> TestQueryExecTimeLimit.test_exec_time_limit_long_plan hit this error:
> {noformat}
> query_test/test_exec_time_limit.py:50: in test_exec_time_limit_long_plan
>     result = self.execute_query(query, exec_options)
> common/impala_test_suite.py:1119: in wrapper
>     return function(*args, **kwargs)
> common/impala_test_suite.py:1161: in execute_query
>     return self.__execute_query(self.client, query, query_options)
> common/impala_test_suite.py:1292: in __execute_query
>     return impalad_client.execute(query, user=user)
> common/impala_connection.py:691: in execute
>     fetch_exec_summary=fetch_exec_summary, profile_format=profile_format)
> common/impala_connection.py:704: in __fetch_results_and_profile
>     profile_format=profile_format)
> common/impala_connection.py:867: in __fetch_results
>     result_tuples = cursor.fetchall()
> /data/jenkins/workspace/impala-asf-master-exhaustive-data-cache/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/impala/hiveserver2.py:624:
>  in fetchall
>     elements = self._pop_from_buffer(self.buffersize)
> /data/jenkins/workspace/impala-asf-master-exhaustive-data-cache/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/impala/hiveserver2.py:701:
>  in _pop_from_buffer
>     self._ensure_buffer_is_filled()
> /data/jenkins/workspace/impala-asf-master-exhaustive-data-cache/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/impala/hiveserver2.py:683:
>  in _ensure_buffer_is_filled
>     convert_strings_to_unicode=self.convert_strings_to_unicode)
> /data/jenkins/workspace/impala-asf-master-exhaustive-data-cache/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/impala/hiveserver2.py:1506:
>  in fetch
>     resp = self._rpc('FetchResults', req, False)
> /data/jenkins/workspace/impala-asf-master-exhaustive-data-cache/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/impala/hiveserver2.py:1181:
>  in _rpc
>     err_if_rpc_not_ok(response)
> /data/jenkins/workspace/impala-asf-master-exhaustive-data-cache/repos/Impala/infra/python/env-gcc10.4.0/lib/python2.7/site-packages/impala/hiveserver2.py:867:
>  in err_if_rpc_not_ok
>     raise HiveServer2Error(resp.status.errorMessage)
> E   HiveServer2Error: Query 584fd63b893c49c4:90cdfbce00000000 failed:
> E   Query 584fd63b893c49c4:90cdfbce00000000 expired due to execution time 
> limit of 2s000ms{noformat}
> This is intermittent, only seen once so far.



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