Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/15009#discussion_r101087592
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/package-info.java ---
@@ -49,6 +49,39 @@
* </pre>
*
* <p>
+ * Currently, while launching spark application with
+ * {@link org.apache.spark.launcher.SparkLauncher#startApplication(
+ * org.apache.spark.launcher.SparkAppHandle.Listener...)}, there are two
options available
+ * for YARN manager in cluster deploy mode:
+ * - to launch Spark Application as a Thread inside current JVM using
+ * the {@link
org.apache.spark.launcher.SparkLauncher#launchAsThread(boolean)}
+ * - to request application be killed if launcher process exits using
+ * the {@link
org.apache.spark.launcher.SparkLauncher#stopIfLauncherShutdown()}.
--- End diff --
sorry should have mentioned this first time but I think we should reorder
things a bit. Perhaps move the details of being able to launch as a thread or
as a process up to the general description at line 23. just stating the
launcher support both of these modes and add restrictions for thread mode (yarn
cluster only).
reword the description of this just to be more like an example, here is
launching in thread mode for yarn cluster mode with the stop if launcher
shutdown option enabled.
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