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https://issues.apache.org/jira/browse/PIG-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy V. Ryaboy updated PIG-2496:
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.11
           Status: Resolved  (was: Patch Available)

Duh, static method, so the cache has to be static and can't be transient. 
Committed to 0.11.
                
> 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
>             Fix For: 0.11
>
>         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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