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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-7204) Use NULL vertex location hint for Prewarm DAG vertices
Date Tue, 10 Jun 2014 17:09:01 GMT

     [ https://issues.apache.org/jira/browse/HIVE-7204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-7204:
--------------------------

    Release Note: Use NULL VertexLocationHint for prewarm DAG vertexes.
          Status: Patch Available  (was: Open)

> Use NULL vertex location hint for Prewarm DAG vertices
> ------------------------------------------------------
>
>                 Key: HIVE-7204
>                 URL: https://issues.apache.org/jira/browse/HIVE-7204
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Tez
>    Affects Versions: 0.14.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Minor
>         Attachments: HIVE-7204.1.patch
>
>
> The current 0.5.x branch of Tez added extra preconditions which check for parallelism
settings to match between the number of containers and the vertex location hints.
> {code}
> Caused by: org.apache.hadoop.ipc.RemoteException(java.lang.IllegalArgumentException):
Locations array length must match the parallelism set for the vertex
>         at com.google.common.base.Preconditions.checkArgument(Preconditions.java:88)
>         at org.apache.tez.dag.api.Vertex.setTaskLocationsHint(Vertex.java:105)
>         at org.apache.tez.dag.app.DAGAppMaster.startPreWarmContainers(DAGAppMaster.java:1004)
> {code}



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