Michael Armbrust created SPARK-5078:
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             Summary: 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


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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