[infinispan-issues] [JBoss JIRA] (ISPN-4372) Map/Reduce performance is dependent on cache value size

[Alan Field (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-4372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Field reopened ISPN-4372:
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The drop in performance as the value size increases is still present after these changes, and still needs to be addressed. I am going to reopen this issue, so it is tracked for a future release. 

https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/jdg-radargun-mapreduce-test/389/

> Map/Reduce performance is dependent on cache value size
> -------------------------------------------------------
>
>                 Key: ISPN-4372
>                 URL: https://issues.jboss.org/browse/ISPN-4372
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Distributed Execution and Map/Reduce
>    Affects Versions: 7.0.0.Alpha4
>            Reporter: Alan Field
>            Assignee: Vladimir Blagojevic
>              Labels: performance
>             Fix For: 7.0.0.Alpha5
>
>
> Performance testing the Map/Reduce changes has shown that the performance improvements vary based on the size of the values in the cache. [1] Using values from 8kB to 128kB shows a large performance increase over Infinispan 6, but smaller and larger values are the same or slower than Infinispan 6.
> http://blog.infinispan.org/2014/06/mapreduce-performance-improvements.html



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