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https://issues.apache.org/jira/browse/PIG-2359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13156415#comment-13156415
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Dmitriy V. Ryaboy commented on PIG-2359:
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fwiw - I ripped all of the isNull stuff out of the tuple interface and
implementations and things compile (so I guess it's never, ever called?).
Extricating this change from my primitive tuples branch is a bit painful.. you
guys cool with that change?
> Support more efficient Tuples when schemas are known
> ----------------------------------------------------
>
> Key: PIG-2359
> URL: https://issues.apache.org/jira/browse/PIG-2359
> Project: Pig
> Issue Type: New Feature
> Reporter: Dmitriy V. Ryaboy
> Assignee: Dmitriy V. Ryaboy
> Attachments: PIG-2359.1.patch
>
>
> Pig Tuples have significant overhead due to the fact that all the fields are
> Objects.
> When a Tuple only contains primitive fields (ints, longs, etc), it's possible
> to avoid this overhead, which would result in significant memory savings.
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