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https://issues.apache.org/jira/browse/SPARK-5078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367704#comment-14367704
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Timothy St. Clair commented on SPARK-5078:
------------------------------------------

Cross listing details of the issue here, for posterity: 
https://groups.google.com/forum/#!topic/akka-user/9RQdf2NjciE 
+ mattfs example https://github.com/mattf/docker-spark fix for k8's 

> Allow setting Akka host name from env vars
> ------------------------------------------
>
>                 Key: SPARK-5078
>                 URL: https://issues.apache.org/jira/browse/SPARK-5078
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Michael Armbrust
>            Assignee: Michael Armbrust
>            Priority: Critical
>             Fix For: 1.3.0, 1.2.1
>
>
> Current spark lets you set the ip address using SPARK_LOCAL_IP, but then this 
> is given to akka after doing a reverse DNS lookup.  This makes it difficult 
> to run spark in Docker.  You can already change the hostname that is used 
> programmatically, but it would be nice to be able to do this with an 
> environment variable.



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