Github user ehnalis commented on a diff in the pull request:
https://github.com/apache/spark/pull/6671#discussion_r32308207
--- Diff:
core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala ---
@@ -460,7 +460,9 @@ private[deploy] class SparkSubmitArguments(args:
Seq[String], env: Map[String, S
| on one of the worker machines
inside the cluster ("cluster")
| (Default: client).
| --class CLASS_NAME Your application's main class (for
Java / Scala apps).
- | --name NAME A name of your application.
+ | --name NAME A name of your application. In
yarn-cluster mode the name
--- End diff --
@vanzin Okay. The problem is with `yarn-client` mode. When you have an
application name with `SparkContext.setAppName` and you use the `spark-submit`
shell script with `--name` as well, `SparkContext.setAppName` will be used.
`--name` should have precedence then. Would it be okay, if we would change the
code to use `--name` always - if supplied - and to encourage users at
`SparkContext.setAppName` to use `--name` if possible?
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