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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9976) Possible race condition in DynamicPartitionPruner for <200ms tasks
Date Tue, 24 Mar 2015 22:12:53 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Siddharth Seth updated HIVE-9976:
---------------------------------
    Fix Version/s: 1.1.1
                   1.2.0

> Possible race condition in DynamicPartitionPruner for <200ms tasks
> ------------------------------------------------------------------
>
>                 Key: HIVE-9976
>                 URL: https://issues.apache.org/jira/browse/HIVE-9976
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Tez
>    Affects Versions: 1.1.0
>            Reporter: Gopal V
>            Assignee: Gunther Hagleitner
>             Fix For: 1.2.0, 1.1.1
>
>         Attachments: 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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