From da2c74a49507ee4342166c8a9e2a8cd73e8b8ce9 Mon Sep 17 00:00:00 2001
From: Sean Zhong <clockfly@gmail.com>
Date: Fri, 14 Mar 2014 16:06:02 +0800
Subject: [PATCH] Add a new option to allow setting AppMaster jvm arguments,
 like Xmx

---
 src/main/java/com/yahoo/storm/yarn/StormOnYarn.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/com/yahoo/storm/yarn/StormOnYarn.java b/src/main/java/com/yahoo/storm/yarn/StormOnYarn.java
index 6445c95..d23baf1 100644
--- a/src/main/java/com/yahoo/storm/yarn/StormOnYarn.java
+++ b/src/main/java/com/yahoo/storm/yarn/StormOnYarn.java
@@ -263,6 +263,9 @@ private void launchApp(String appName, String queue, int amMB, String storm_zip_
           vargs.add(env.get("JAVA_HOME") + "/bin/java");
         else
           vargs.add("java");
+        if (null != _stormConf.get("master.childopts")) {
+          vargs.add((String) _stormConf.get("master.childopts"));
+        }
         vargs.add("-Dstorm.home=./storm/" + stormHomeInZip + "/");
         vargs.add("-Dlogfile.name=" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/master.log");
         //vargs.add("-verbose:class");