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https://issues.apache.org/jira/browse/SPARK-22906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16304382#comment-16304382
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Apache Spark commented on SPARK-22906:
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User 'pianista215' has created a pull request for this issue:
https://github.com/apache/spark/pull/20083
> External shuffle IP different from Host ip
> ------------------------------------------
>
> Key: SPARK-22906
> URL: https://issues.apache.org/jira/browse/SPARK-22906
> Project: Spark
> Issue Type: Improvement
> Components: Block Manager
> Affects Versions: 2.2.1
> Reporter: Unai Sarasola
> Priority: Minor
>
> Now is possible to configure the spark.shuffle.service.port, but there aren't
> an equivalent for host. Imagine that you are using an external shuffle
> deployed in Docker.
> If you aren't using Host mode for the docker, you may want to use the
> internal ip address of the docker to connect to the external shuffle service.
> Also you could use Calico, or just being attached the spark shuffle to a
> different IP that is used in the Spark executor (example hosts with multiple
> network interfaces).
> So this is why I implemented the spark.shuffle.service.host configuration
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