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https://issues.apache.org/jira/browse/SPARK-24726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng reassigned SPARK-24726:
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Assignee: Xiangrui Meng
> Discuss necessary info and access in barrier mode + Standalone
> --------------------------------------------------------------
>
> Key: SPARK-24726
> URL: https://issues.apache.org/jira/browse/SPARK-24726
> Project: Spark
> Issue Type: Story
> Components: ML, Spark Core
> Affects Versions: 3.0.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Priority: Major
>
> In barrier mode, to run hybrid distributed DL training jobs, we need to
> provide users sufficient info and access so they can set up a hybrid
> distributed training job, e.g., using MPI.
> This ticket limits the scope of discussion to Spark + Standalone. For MPI,
> what we need is password-less SSH access among workers. We might also
> consider other distributed frameworks, like distributed tensorflow, H2O, etc.
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