[infinispan-issues] [JBoss JIRA] (ISPN-4002) Allow the reduce phase to store elements into an intermediate cache

[Mircea Markus (JIRA)]

Mircea Markus created ISPN-4002:
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             Summary: Allow the reduce phase to store elements into an intermediate cache 
                 Key: ISPN-4002
                 URL: https://issues.jboss.org/browse/ISPN-4002
             Project: Infinispan
          Issue Type: Feature Request
          Components: Core, Distributed Execution and Map/Reduce
            Reporter: Mircea Markus
            Assignee: Dan Berindei


In the situation in which the result of the Map/Reduce task is large, returning it to the originator does not work, as the originator would run OOM. In order to drop this limitation, would be good to:
- have a result cache
- put all the M/R entries into this result cache

The caller will be notified once the data Map/Reduce is finished. We'd need a way for the user to get all the keys in this cache for further processing.

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