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https://issues.apache.org/jira/browse/HIVE-20868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16679613#comment-16679613
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Hive QA commented on HIVE-20868:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12947336/HIVE-20868.2.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 15526 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/14807/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14807/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14807/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12947336 - PreCommit-HIVE-Build
> SMB Join fails intermittently when TezDummyOperator has child op in
> getFinalOp in MapRecordProcessor
> ----------------------------------------------------------------------------------------------------
>
> Key: HIVE-20868
> URL: https://issues.apache.org/jira/browse/HIVE-20868
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Priority: Major
> Attachments: HIVE-20868.1.patch, HIVE-20868.2.patch
>
>
> In MapRecordProcessor::getFinalOp() due to external cause(not known), the
> TezDummyStoreOperator may have MergeJoin Op as child intermittently. Due to
> this, the fetchDone remains set to true for the DummyOp which was set by
> previous task. Ideally, fetchDone should be reset for each task. This
> eventually leads to the join op skip rows from that dummy op resulting in
> wrong results.
> Good init order
> {code}
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = TS[3] (core)
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = FIL[24]
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = SEL[5]
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = DUMMY_STORE[45]
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|: Iterating
> children of dummy op DUMMY_STORE[45]
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp returns DUMMY_STORE[45]
> 2018-11-01 21:42:33,677 [INFO] [TezChild] |tez.MapRecordProcessor|:
> InitProcessor : setting fetchDone to false
> {code}
> Bad init order
> {code}
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = TS[3] (core)
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = FIL[24]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = SEL[5]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = DUMMY_STORE[45]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> Iterating children of dummy op DUMMY_STORE[45]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|: Child of
> Dummy Op MERGEJOIN[44]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = MERGEJOIN[44]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = SEL[13]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp child Ops = RS[14]
> 2018-11-01 21:42:33,304 [INFO] [TezChild] |tez.MapRecordProcessor|:
> getFinalOp returns RS[14]
> {code}
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