[infinispan-issues] [JBoss JIRA] (ISPN-1665) Add combiner function to MapReduce

[Ondrej Nevelik (Created) (JIRA)]

Add combiner function to MapReduce
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                 Key: ISPN-1665
                 URL: https://issues.jboss.org/browse/ISPN-1665
             Project: Infinispan
          Issue Type: Feature Request
            Reporter: Ondrej Nevelik
            Assignee: Vladimir Blagojevic


Add functionality to optionally use a combiner between Map and Reduce phases (see http://research.google.com/archive/mapreduce.html part 4.3 Combiner Function). This enables to adjust API to be less restrictive - Reduce.reduce function could consume and return different types of objects.


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