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https://issues.apache.org/jira/browse/PIG-2359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy V. Ryaboy updated PIG-2359:
-----------------------------------
Resolution: Fixed
Fix Version/s: 0.11
Release Note:
newTupleForSchema(Schema s) and newTupleForSchema(byte... types) methods are
introduced to TupleFactory, allowing Pig to choose optimized Tuple
implementations for specific schemas, when those are available.
Two optimized implementations are introduced:
- single-value Tuples (tuples which only hold a single int, double, String, etc
- primitive-value Tuples (tuples which only hold values that can be represented
by a fixed-width datatype in Java: int, long, double, boolean, float).
Using such tuples can result in significant memory utilization improvements.
Status: Resolved (was: Patch Available)
Committed to trunk.
> 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
> Fix For: 0.11
>
> Attachments: PIG-2359.1.patch, PIG-2359.2.patch, PIG-2359.3.patch,
> PIG-2359.4.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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