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https://issues.apache.org/jira/browse/PIG-3658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy resolved PIG-3658.
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Resolution: Fixed
Hadoop Flags: Reviewed
Committed to tez-branch. Thanks Cheolsoo for the review.
> Use Tez ObjectRegistry to cache FRJoin map and WeightedRangePartitioner map
> ---------------------------------------------------------------------------
>
> Key: PIG-3658
> URL: https://issues.apache.org/jira/browse/PIG-3658
> Project: Pig
> Issue Type: Sub-task
> Components: tez
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: tez-branch
>
> Attachments: PIG-3658-1.patch
>
>
> Tez provides way to cache objects with Vertex scope. We can use it to
> 1) caching the replication join map constructed instead of reading from
> multiple broadcast inputs from one or more vertex and reconstructing it
> 2) Cache the map in WeightedRangePartitioner. Thought the quantilefile is
> only one brodcast input from one vertex still it would be faster to use the
> local cache.
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