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https://issues.apache.org/jira/browse/HADOOP-3695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemanth Yamijala updated HADOOP-3695:
-------------------------------------
Resolution: Fixed
Release Note: Added an ability in HOD to start multiple workers
(TaskTrackers and/or DataNodes) per node to assist testing and simulation of
scale. A configuration variable ringmaster.workers_per_ring was added to
specify the number of workers to start.
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
I just committed this to trunk. Thanks, Vinod !
> [HOD] Have an ability to run multiple slaves per node
> -----------------------------------------------------
>
> Key: HADOOP-3695
> URL: https://issues.apache.org/jira/browse/HADOOP-3695
> Project: Hadoop Core
> Issue Type: New Feature
> Components: contrib/hod
> Reporter: Hemanth Yamijala
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.19.0
>
> Attachments: patch_multiple_workers_1.txt,
> patch_multiple_workers_2.txt, patch_multiple_workers_3.txt,
> patch_multiple_workers_4.txt
>
>
> Currently HOD launches at most one slave per node. For purposes of testing a
> large number of slaves on much fewer resources - for e.g. testing scalability
> of clusters, it will be useful if it can provision multiple slaves per node.
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