[infinispan-issues] [JBoss JIRA] (ISPN-2835) Issues w/ M/R test cases if cache are not explicitly started on all nodes

[Mircea Markus (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mircea Markus updated ISPN-2835:
--------------------------------

    Fix Version/s: 5.3.0.Beta2
                       (was: 5.3.0.Beta1)

    
> Issues w/ M/R test cases if cache are not explicitly started on all nodes
> -------------------------------------------------------------------------
>
>                 Key: ISPN-2835
>                 URL: https://issues.jboss.org/browse/ISPN-2835
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Core API, Distributed Execution and Map/Reduce
>            Reporter: Ray Tsang
>            Assignee: Galder Zamarreño
>             Fix For: 5.3.0.Beta2, 5.3.0.Final
>
>         Attachments: mr-test-src.zip
>
>
> I ran into some issues while using M/R.  The gist of the issue I was seeing is that:
> Start a cluster of Embedded Caches, like 4 nodes
> Put in 100 elements
> Run a simple M/R job to count the number of keys
> If I run the M/R job using  the node I'm inserting elements into as coordinator - the result is 100
> But if I run the M/R job using a different node as coordinator, the result is less than 100
> More interestingly, I can pause for 5 seconds and run the M/R jobs again, the results are always less than 100
> This behavior doens't occur if I explicitly run cacheManager.getCache() for each of the nodes...

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