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https://issues.apache.org/jira/browse/SPARK-19740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15884487#comment-15884487
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Ji Yan commented on SPARK-19740:
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the problem is that when running Spark on Mesos, there is no way to run Spark
executor as non-root user
> Spark executor always runs as root when running on mesos
> --------------------------------------------------------
>
> Key: SPARK-19740
> URL: https://issues.apache.org/jira/browse/SPARK-19740
> Project: Spark
> Issue Type: Bug
> Components: Mesos
> Affects Versions: 2.1.0
> Reporter: Ji Yan
>
> When running Spark on Mesos with docker containerizer, the spark executors
> are always launched with 'docker run' command without specifying --user
> option, which always results in spark executors running as root. Mesos has a
> way to support arbitrary parameters. Spark could use that to expose setting
> user
> background on mesos with arbitrary parameters support:
> https://issues.apache.org/jira/browse/MESOS-1816
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