Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1500#discussion_r49993429
--- 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 shell deploy*s* ... and connect*s to* the cluster.
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