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From tillrohrmann <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-2935] [scala-shell] Allow Scala shell t...
Date Mon, 18 Jan 2016 12:34:29 GMT
Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1500#discussion_r49993393
  
    --- Diff: docs/apis/scala_shell.md ---
    @@ -69,6 +69,18 @@ Scala-Flink> env.execute("MyProgram")
     
     The Flink Shell comes with command history and autocompletion.
     
    +## Scala Shell with Flink on YARN
    +
    +The Scala shell can connect Flink cluster on YARN. To connect deployed Flink cluster
on YARN, use following command:
    +
    +~~~bash
    +bin/start-scala-shell.sh yarn
    +~~~
    +
    +The shell reads the connection information of the deployed Flink cluster from a `.yarn-properties`
file in temporary directory. If there is no deployed Flink cluster on YARN, the shell prints
error message.
    +
    +The shell can deploy Flink cluster to YARN for the shell only. If you add an parameter
`-n <arg>` which means a number of containers, the shell deploy a new Flink cluster
on YARN and connect the cluster. You can also specify options for YARN cluster such as memory
for JobManager, name of YARN application, etc.. 
    --- End diff --
    
    The number of YARN containers can be controlled by the parameter `-n <arg>`. 


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