[HADOOP-4230] Hive: GroupBy should not pass the whole row from mapper to reducer - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Blocker
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 0.19.0
Component/s: None
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Description

We only need to pass fields that are needed.

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127367-2.patch
20/Oct/08 11:32
1.57 MB
Joydeep Sen Sarma

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Assignee:: Ashish Thusoo

Reporter:: Zheng Shao

Votes:: 0 Vote for this issue

Watchers:: 0 Start watching this issue

Dates

Created:: 20/Sep/08 06:05

Updated:: 08/Jul/09 21:06

Resolved:: 21/Oct/08 22:32

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