Ying He updated PIG-975:

    Attachment: PIG-975.patch2

remove System.out.println

> Need a databag that does not register with SpillableMemoryManager and spill 
> data pro-actively
> ---------------------------------------------------------------------------------------------
>                 Key: PIG-975
>                 URL: https://issues.apache.org/jira/browse/PIG-975
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.2.0
>            Reporter: Ying He
>            Assignee: Pradeep Kamath
>             Fix For: 0.2.0
>         Attachments: PIG-975.patch, PIG-975.patch2
> POPackage uses DefaultDataBag during reduce process to hold data. It is 
> registered with SpillableMemoryManager and prone to OutOfMemoryException.  
> It's better to pro-actively managers the usage of the memory. The bag fills 
> in memory to a specified amount, and dump the rest the disk.  The amount of 
> memory to hold tuples is configurable. This can avoid out of memory error.

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