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https://issues.apache.org/jira/browse/PIG-4651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy updated PIG-4651:
------------------------------------
    Attachment: PIG-4651-2.patch

Actually patch was missing the Comparators file. Attached new version with the 
missing file.

> Optimize NullablePartitionWritable serialization for skewed join
> ----------------------------------------------------------------
>
>                 Key: PIG-4651
>                 URL: https://issues.apache.org/jira/browse/PIG-4651
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Rohini Palaniswamy
>            Assignee: Rohini Palaniswamy
>             Fix For: 0.16.0
>
>         Attachments: PIG-4651-1.patch, PIG-4651-2.patch
>
>
>   Currently the class name of the skewed join key type is serialized for 
> every record in NullablePartitionWritable which is a lot of waste



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