Olga Natkovich commented on PIG-793:

This would require to compile code on the fly, right? Up till now we were 
trying to avoid.

> Improving memory efficiency of Tuple implementation
> ---------------------------------------------------
>                 Key: PIG-793
>                 URL: https://issues.apache.org/jira/browse/PIG-793
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Olga Natkovich
> Currently, our tuple is a real pig and uses a lot of extra memory. 
> There are several places where we can improve memory efficiency:
> (1) Laying out memory for the fields rather than using java objects since 
> since each object for a numeric field takes 16 bytes
> (2) For the cases where we know the schema using Java arrays rather than 
> ArrayList.
> There might be more.

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