Xiangrui Meng created SPARK-24723:
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Summary: Discuss necessary info and access in barrier mode + YARN
Key: SPARK-24723
URL: https://issues.apache.org/jira/browse/SPARK-24723
Project: Spark
Issue Type: Story
Components: ML, Spark Core
Affects Versions: 3.0.0
Reporter: Xiangrui Meng
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 + YARN. There were some
past attempts from the Hadoop community. So we should find someone with good
knowledge to lead the discussion here.
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