Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/3409#discussion_r21114689
--- Diff: docs/running-on-yarn.md ---
@@ -132,6 +132,15 @@ Most of the configs are the same for Spark on YARN as
for other deployment modes
The maximum number of threads to use in the application master for
launching executor containers.
</td>
</tr>
+<tr>
+ <td><code>spark.yarn.am.extraJavaOptions</code></td>
+ <td>(none)</td>
+ <td>
+ The java options passed to the Application Master process launched on
YARN in both yarn-client
+ and yarn-cluster mdoe. It is different from
spark.driver.extraJavaOptions, as the driver options
--- End diff --
spelling of mode.
It would also be nice to have the initial text similar to the text for
spark.executor.extraJavaOptions.
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