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https://issues.apache.org/jira/browse/IMPALA-8496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Ho resolved IMPALA-8496.
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Resolution: Fixed
Fix Version/s: Impala 3.3.0
> test_data_cache.py is flaky
> ---------------------------
>
> Key: IMPALA-8496
> URL: https://issues.apache.org/jira/browse/IMPALA-8496
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.3.0
> Reporter: Michael Ho
> Assignee: Michael Ho
> Priority: Critical
> Labels: broken-build
> Fix For: Impala 3.3.0
>
>
> The test failed intermittently like the following:
> {noformat}
> 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 \(0\).*
> {noformat}
> There were unexpected cache misses:
> {noformat}
> 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)
> {noformat}
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