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https://issues.apache.org/jira/browse/TAJO-1526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14485007#comment-14485007
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ASF GitHub Bot commented on TAJO-1526:
--------------------------------------
Github user jihoonson commented on the pull request:
https://github.com/apache/tajo/pull/521#issuecomment-90864387
Thanks @jinossy.
The problem seems the memory overflow, especially related to the permanent
generation space.
So, I increased the ```permSize``` from 128 MB to 152 MB in this patch.
Additionally, I reduced the number of test tuples of TestExternalSortExec
from 3,000,000 to 100,000.
If there are any objections, I'll commit soon.
> Investigate the frequent failures of Travis CI
> ----------------------------------------------
>
> Key: TAJO-1526
> URL: https://issues.apache.org/jira/browse/TAJO-1526
> Project: Tajo
> Issue Type: Task
> Reporter: Jihoon Son
> Assignee: Jihoon Son
> Priority: Critical
> Attachments: TAJO-1526.patch
>
>
> Travis CI is frequently failed in recent days. It seems that the test is
> killed due to some reaons. Since the test is killed around
> TestExternalSortExec which writes more than 52 MB, I suspect the write size
> limit, but am not sure.
> Here are some logs.
> {noformat}
> ...
> Running org.apache.tajo.engine.planner.physical.TestExternalSortExec
> Run: testLeftOuterJoinWithNull1[3]
> Run: testLeftOuterJoinWithNull2[3]
> Run: testLeftOuterJoinWithNull3[3]
> Run: testRightOuterJoinWithThetaJoinConditionInWhere[3]
> Run: testLeftOuterWithEmptyTable[3]
> Run: testFullOuterJoinPredicationCaseByCase1[3]
> Run: testRightOuterJoin1[3]
> Run: testJoinOnMultipleDatabases[3]
> Run: testFullOuterJoinWithEmptyTable1[3]
> Run: testFullOuterJoinWithEmptyIntermediateData[3]
> Run: testCrossJoinWithThetaJoinConditionInWhere[3]
> Run: testComplexJoinCondition1[3]
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 23.036 sec -
> in org.apache.tajo.engine.planner.physical.TestExternalSortExec
> Running org.apache.tajo.engine.planner.physical.TestTupleSorter
> Run: testComplexJoinCondition2[3]
> Run: testComplexJoinCondition3[3]
> Run: testComplexJoinCondition4[3]
> Run: testComplexJoinCondition5[3]
> Run: testComplexJoinCondition6[3]
> 2015-04-05 17:31:25,478 WARN:
> org.apache.tajo.engine.planner.global.GlobalPlanner
> (visitTableSubQuery(1536)) - Can't find left most SubQuery in the UnionNode.
> Run: testComplexJoinCondition7[3]
> 2015-04-05 17:31:27,707 WARN:
> org.apache.tajo.engine.planner.global.GlobalPlanner
> (visitTableSubQuery(1536)) - Can't find left most SubQuery in the UnionNode.
> Run: testDifferentTypesJoinCondition[3]
> Run: testComplexJoinsWithCaseWhen[3]
> Run: testJoinWithOrPredicates[3]
> Run: testLeftOuterJoinWithEmptyTable1[3]
> Run: testLeftOuterJoinWithEmptyTable2[3]
> Run: testLeftOuterJoinWithEmptyTable3[3]
> Run: testLeftOuterJoinWithEmptyTable4[3]
> Run: testLeftOuterJoinWithEmptyTable5[3]
> Run: testJoinCoReferredEvals1[3]
> Run: testCrossJoinWithEmptyTable1[3]
> Run: testLeftOuterJoinWithThetaJoinConditionInWhere[3]
> Run: testJoinWithJson2[3]
> Run: testOuterJoinAndCaseWhen1[3]
> Run: testJoinOnMultipleDatabasesWithJson[3]
> Killed
> Run: testInnerJoinWithEmptyTable[3]
> Run: testJoinWithDifferentShuffleKey[3]
> Run: testJoinFilterOfRowPreservedTable1[3]
> ...
> {noformat}
> {noformat}
> ...
> Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.096 sec -
> in org.apache.tajo.engine.planner.physical.TestFullOuterHashJoinExec
> Running org.apache.tajo.engine.planner.physical.TestFullOuterMergeJoinExec
> 2015-04-04 10:10:38,960 WARN:
> org.apache.tajo.engine.planner.global.GlobalPlanner
> (visitTableSubQuery(1536)) - Can't find left most SubQuery in the UnionNode.
> Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.963 sec -
> in org.apache.tajo.engine.planner.physical.TestFullOuterMergeJoinExec
> Running org.apache.tajo.engine.planner.physical.TestHashSemiJoinExec
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.06 sec - in
> org.apache.tajo.engine.planner.physical.TestHashSemiJoinExec
> Running org.apache.tajo.engine.planner.physical.TestMergeJoinExec
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.037 sec -
> in org.apache.tajo.engine.planner.physical.TestMergeJoinExec
> Running org.apache.tajo.engine.planner.physical.TestExternalSortExec
> 3000000 rows (52 MB)
> Killed
> Tests run: 316, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 814.466 sec
> - in org.apache.tajo.engine.query.TestJoinQuery
> Running org.apache.tajo.engine.planner.physical.TestTupleSorter
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 37.473 sec -
> in org.apache.tajo.engine.planner.physical.TestTupleSorter
> Running org.apache.tajo.engine.planner.physical.TestLeftOuterHashJoinExec
> Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.753 sec -
> in org.apache.tajo.engine.planner.physical.TestLeftOuterHashJoinExec
> Running org.apache.tajo.engine.planner.physical.TestHashJoinExec
> ...
> {noformat}
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