[infinispan-issues] [JBoss JIRA] (ISPN-6086) Hadoop MapReduce task fails after the prefered ispn server stopped

Gustavo Fernandes (JIRA) issues at jboss.org
Wed Feb 10 14:28:00 EST 2016


     [ https://issues.jboss.org/browse/ISPN-6086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gustavo Fernandes closed ISPN-6086.
-----------------------------------
    Resolution: Duplicate Issue


> Hadoop MapReduce task fails after the prefered ispn server stopped 
> -------------------------------------------------------------------
>
>                 Key: ISPN-6086
>                 URL: https://issues.jboss.org/browse/ISPN-6086
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Hadoop Integration
>            Reporter: Anna Manukyan
>            Assignee: Gustavo Fernandes
>         Attachments: FailoverHandlingTest_WritingToInfinispan.log, FailoverTest_when_prefered_stopped.log
>
>
> I have added tests to the infinispan-hadoop testsuite testing the load balancing of mapreduce task in case if the input server which is specified as a parameter to Hadoop configuration is stopped. 
> The test is performed on 4 node cluster. The data read is performed from Infinispan cache, the write is performed to HDFS. 
> There are 200000 entries in the cache. As soon as the Hadoop Job is submitted for performing map/reduce task, the preferred server is stopped. 
> As a result, the Hadoop Map/Reduce result map is empty.
> You can find the test execution log attached. 



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