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https://issues.apache.org/jira/browse/SPARK-3474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128300#comment-14128300
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Sean Owen commented on SPARK-3474:
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(You can deprecate but still support old variable names, right? so
SPARK_MASTER_IP has the effect of setting new SPARK_MASTER_HOST but generates a
warning. You wouldn't want to or need to remove old vars immediately.)
> Rename the env variable SPARK_MASTER_IP to SPARK_MASTER_HOST
> ------------------------------------------------------------
>
> Key: SPARK-3474
> URL: https://issues.apache.org/jira/browse/SPARK-3474
> Project: Spark
> Issue Type: Bug
> Components: Deploy
> Affects Versions: 1.0.1
> Reporter: Chunjun Xiao
>
> There's some inconsistency regarding the env variable used to specify the
> spark master host server.
> In spark source code (MasterArguments.scala), the env variable is
> "SPARK_MASTER_HOST", while in the shell script (e.g., spark-env.sh,
> start-master.sh), it's named "SPARK_MASTER_IP".
> This will introduce an issue in some case, e.g., if spark master is started
> via "service spark-master start", which is built based on latest bigtop
> (refer to bigtop/spark-master.svc).
> In this case, "SPARK_MASTER_IP" will have no effect.
> I suggest we change SPARK_MASTER_IP in the shell script to SPARK_MASTER_HOST.
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