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https://issues.apache.org/jira/browse/SPARK-23720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-23720:
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Affects Version/s: (was: 3.0.0)
3.1.0
> Leverage shuffle service when running in non-host networking mode in hadoop 3
> docker support
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-23720
> URL: https://issues.apache.org/jira/browse/SPARK-23720
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.1.0
> Reporter: Mridul Muralidharan
> Priority: Major
>
> In current external shuffle service integration, hostname of the executor and
> the shuffle service is the same while the port's are different (shuffle
> service port vs block manager port).
> When running in non-host networking mode under docker, in yarn, the shuffle
> service runs on the NM_HOST while the docker container run's under its own
> (ephemeral and generated) hostname.
> We should make use of the container's host machine's hostname for shuffle
> service and not the container hostname, when external shuffle is enabled.
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