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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9976) Possible race condition in DynamicPartitionPruner for <200ms tasks
Date Thu, 26 Mar 2015 04:04:54 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381320#comment-14381320
] 

Hive QA commented on HIVE-9976:
-------------------------------



{color:green}Overall{color}: +1 all checks pass

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12707303/HIVE-9976.2.patch

{color:green}SUCCESS:{color} +1 8347 tests passed

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3159/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3159/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3159/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12707303 - PreCommit-HIVE-TRUNK-Build

> Possible race condition in DynamicPartitionPruner for <200ms tasks
> ------------------------------------------------------------------
>
>                 Key: HIVE-9976
>                 URL: https://issues.apache.org/jira/browse/HIVE-9976
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: 1.0.0
>            Reporter: Gopal V
>            Assignee: Siddharth Seth
>         Attachments: HIVE-9976.1.patch, HIVE-9976.2.patch, llap_vertex_200ms.png
>
>
> Race condition in the DynamicPartitionPruner between DynamicPartitionPruner::processVertex()
and DynamicPartitionpruner::addEvent() for tasks which respond with both the result and success
in a single heartbeat sequence.
> {code}
> 2015-03-16 07:05:01,589 ERROR [InputInitializer [Map 1] #0] tez.DynamicPartitionPruner:
Expecting: 1, received: 0
> 2015-03-16 07:05:01,590 ERROR [Dispatcher thread: Central] impl.VertexImpl: Vertex Input:
store_sales initializer failed, vertex=vertex_1424502260528_1113_4_04 [Map 1]
> org.apache.tez.dag.app.dag.impl.AMUserCodeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Incorrect event count in dynamic parition pruning
> {code}
> !llap_vertex_200ms.png!
> All 4 upstream vertices of Map 1 need to finish within ~200ms to trigger this, which
seems to be consistently happening with LLAP.



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