[infinispan-issues] [JBoss JIRA] (ISPN-4216) Use IGNORE_RETURN_VALUES flag for inserting keys/values in M/R intermediate cache

[Vladimir Blagojevic (JIRA)]

Vladimir Blagojevic created ISPN-4216:
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             Summary: Use IGNORE_RETURN_VALUES flag for inserting keys/values in M/R intermediate cache
                 Key: ISPN-4216
                 URL: https://issues.jboss.org/browse/ISPN-4216
             Project: Infinispan
          Issue Type: Bug
          Components: Distributed Execution and Map/Reduce
            Reporter: Vladimir Blagojevic
            Assignee: Vladimir Blagojevic


Whenever data gets inserted in intermediate cache unsafeReturnValues setting is ignored and previous value from cache is returned every time we do cache#put. We did not experience this slowdown before because we only inserted once per key in intermediate cache put. Now that we do partial batching and transfer of these keys/values, we really hit the wall there with multiple insertions. Adding IGNORE_RETURN_VALUES flag to put invocation is the key to resolve this issue. 

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