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https://issues.apache.org/jira/browse/HIVE-26871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor updated HIVE-26871:
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Fix Version/s: 4.0.0-alpha-2
> TestCrudCompactorOnTez is flaky after HIVE-26479
> ------------------------------------------------
>
> Key: HIVE-26871
> URL: https://issues.apache.org/jira/browse/HIVE-26871
> Project: Hive
> Issue Type: Test
> Components: Test
> Reporter: Sourabh Badhya
> Assignee: Sourabh Badhya
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.0.0-alpha-2
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The 3 tests in TestCrudCompactorOnTez which use the ProtoLoggingHook run at
> different times. Unfortunately, the 3 tests are run at the following times as
> described in the logs -
> Test 1 -
> {code:java}
> INFO [main] compactor.TestCrudCompactorOnTez: Current time:
> 2022-12-15T23:57:44 {code}
> Test 2 -
> {code:java}
> INFO [main] compactor.TestCrudCompactorOnTez: Current time:
> 2022-12-16T00:00:32 {code}
> Test 3 -
> {code:java}
> INFO [main] compactor.TestCrudCompactorOnTez: Current time:
> 2022-12-16T00:04:12 {code}
> As we can see, the tests are run on 2 different dates. Therefore,
> HiveProtoLoggingHook generates a unique event logs for every unique date.
> This is the behaviour of HiveProtoLoggingHook.
> [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/hooks/HiveProtoLoggingHook.java#L296-L310]
> However the expectation from the test side, while generating the log readers
> is that there must be a single file in the log folder defined.
> [https://github.com/apache/hive/blob/master/ql/src/test/org/apache/hadoop/hive/ql/hooks/TestHiveProtoLoggingHook.java#L310]
>
> Unfortunately, since there are 2 files which are generated (as mentioned in
> the logs as well), the following tests fail -
> {code:java}
> INFO [main] hooks.TestHiveProtoLoggingHook: List of paths:
> INFO [main] hooks.TestHiveProtoLoggingHook:
> file:/home/jenkins/agent/workspace/internal-hive-flaky-check/itests/hive-unit/target/tmp/junit441259831997042392/junit3438435196942546140/date=2022-12-15
> INFO [main] hooks.TestHiveProtoLoggingHook:
> file:/home/jenkins/agent/workspace/internal-hive-flaky-check/itests/hive-unit/target/tmp/junit441259831997042392/junit3438435196942546140/date=2022-12-16
> {code}
> The solution is to make _getTestReader()_ in _TestHiveProtoLoggingHook_ more
> compatible with multiple event log file scenario and be able to generate
> multiple readers for all files present in the folder instead of fixating on a
> single file clause.
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