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https://issues.apache.org/jira/browse/PIG-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196576#comment-13196576
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Dmitriy V. Ryaboy commented on PIG-2496:
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actually, I am going to make it transient.
I'll attach the final version and commit.
                
> Cache resolved classes in PigContext
> ------------------------------------
>
>                 Key: PIG-2496
>                 URL: https://issues.apache.org/jira/browse/PIG-2496
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Dmitriy V. Ryaboy
>            Assignee: Dmitriy V. Ryaboy
>         Attachments: PIG-2496.patch
>
>
> Our profiling shows that for large (multi-K line) scripts, a lot of time is 
> spent trying to find common UDFs in resolveClassName(). This is trivial to 
> cache.

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