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From "Rohini Palaniswamy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-4735) PartitionerDefinedVertexManager should do slowstart
Date Wed, 24 May 2017 23:04:07 GMT

     [ https://issues.apache.org/jira/browse/PIG-4735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohini Palaniswamy updated PIG-4735:
------------------------------------
    Fix Version/s:     (was: 0.17.0)
                   0.18.0

> PartitionerDefinedVertexManager should do slowstart
> ---------------------------------------------------
>
>                 Key: PIG-4735
>                 URL: https://issues.apache.org/jira/browse/PIG-4735
>             Project: Pig
>          Issue Type: Improvement
>          Components: tez
>            Reporter: Rohini Palaniswamy
>            Assignee: Daniel Dai
>             Fix For: 0.18.0
>
>
> Currently all the partitioner vertex and final reducer vertex tasks are started as soon
as the sampler vertex completes. The final reducer vertex tasks should only start after a
percentage of partitioner vertex tasks have completed. We need to do same kind of slow start
as ShuffleVertexManager honoring ShuffleVertexManager.TEZ_SHUFFLE_VERTEX_MANAGER_MIN_SRC_FRACTION
and ShuffleVertexManager.TEZ_SHUFFLE_VERTEX_MANAGER_MAX_SRC_FRACTION configurations and their
defaults.



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