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https://issues.apache.org/jira/browse/PIG-901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12738496#action_12738496
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Daniel Dai commented on PIG-901:
--------------------------------

PigContext.packageImportList needs to be serialized as well. Otherwise 
InputSplit cannot instantiate Loader function.

> InputSplit (SliceWrapper) created by Pig is big in size due to serialized 
> PigContext
> ------------------------------------------------------------------------------------
>
>                 Key: PIG-901
>                 URL: https://issues.apache.org/jira/browse/PIG-901
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.3.1
>            Reporter: Pradeep Kamath
>            Assignee: Pradeep Kamath
>             Fix For: 0.4.0
>
>
> InputSplit (SliceWrapper) created by Pig is big in size due to serialized 
> PigContext. SliceWrapper only needs ExecType - so the entire PigContext 
> should not be serialized and only the ExecType should be serialized.

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