Add method to support pre-partitioned data
------------------------------------------
Key: MAPREDUCE-1786
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1786
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: task
Reporter: Owen O'Malley
Assignee: Owen O'Malley
There are some applications where the map wants to partition the data itself.
This happens in Pipes, if the user has a C++ partitioner. It would make sense
to support it in streaming too. There is also use case where the Java
partitioner needs the context object to update counters, etc.
This jira is only about adding the method to the mapreduce Java API. The Pipes
interface can be updated in a follow up Jira.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
