Add Combiners
-------------
Key: HAMA-458
URL: https://issues.apache.org/jira/browse/HAMA-458
Project: Hama
Issue Type: New Feature
Reporter: Thomas Jungblut
Fix For: 0.5.0
We have spoken about it on the mailing list:
http://www.mail-archive.com/[email protected]/msg05540.html
Small extract:
{quote}
E.g: when should the combiner be called and in which form. In MapReduce they
are plain reducers, so we can have the same model but not grouped by a key
rather than the class name of the message.
{quote}
Especially if we could collect all task data on the same host and combine them.
This would yield into better performance.
We need a smart idea.
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