Can you suggest the API?
Currently, you check the input name and select the Map action -- how
do you suggest to parametrize it more naturally? (I'm with you --
but there are many ways to skin a cat...)
--ab
On Mar 21, 2008, at 4:19 PM, Yiping Han (JIRA) wrote:
Multiple mappers join into reducer
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Key: HADOOP-3072
URL: https://issues.apache.org/jira/browse/
HADOOP-3072
Project: Hadoop Core
Issue Type: New Feature
Components: mapred
Reporter: Yiping Han
We would like to have multiple different mappers that takes input
from different locations and output records with the same format.
So the output of the mappers could be joint in the reducer easily.
We know this can be achieved in the current framework. But the way
to achieve it is not natural, less flexibility (need code change).
Thus this would be a convenient feature to have.
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