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https://issues.apache.org/jira/browse/IGNITE-4541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15821471#comment-15821471
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Ivan Veselovsky commented on IGNITE-4541:
-----------------------------------------
Tests (at least
org.apache.ignite.internal.processors.hadoop.impl.HadoopTeraSortTest) works
using {code} #isMultiJvm() { return true; } {code} override after very small
corrections.
> Create test for Hadoop running in external JVM
> ----------------------------------------------
>
> Key: IGNITE-4541
> URL: https://issues.apache.org/jira/browse/IGNITE-4541
> Project: Ignite
> Issue Type: Task
> Components: hadoop
> Affects Versions: 1.8
> Reporter: Vladimir Ozerov
> Assignee: Ivan Veselovsky
> Fix For: 2.0
>
>
> *Problem*
> Currently we run all Hadoop tests in synthetic "single JVM" mode. This way we
> miss lots of potential issues. We need to be able to run them in real
> distributed mode, but on a single machine.
> *Simplified solution*
> 1) Start N external nodes
> 2) Submit a job to these nodes and validate the result
> We can start with simple Teragen->Terasort->Teravalidate scenario.
> Please look through {{Process}} and {{ProcessBuilder}} classes usages - most
> probably we already have all necessary infrastructure to start nodes in
> external JVM.
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