YARN-2131. Addendum. Add a way to format the RMStateStore. (Robert Kanter via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1612443 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/hadoop-yarn/bin/yarn

@@ -61,23 +61,27 @@ HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR}
 function print_usage(){
   echo "Usage: yarn [--config confdir] COMMAND"
   echo "where COMMAND is one of:"
-  echo "  resourcemanager -format deletes the RMStateStore"
-  echo "  resourcemanager         run the ResourceManager"
-  echo "  nodemanager             run a nodemanager on each slave"
-  echo "  timelineserver          run the timeline server"
-  echo "  rmadmin                 admin tools"
-  echo "  version                 print the version"
-  echo "  jar <jar>               run a jar file"
-  echo "  application             prints application(s) report/kill application"
-  echo "  applicationattempt      prints applicationattempt(s) report"
-  echo "  container               prints container(s) report"
-  echo "  node                    prints node report(s)"
-  echo "  logs                    dump container logs"
-  echo "  classpath               prints the class path needed to get the"
-  echo "                          Hadoop jar and the required libraries"
-  echo "  daemonlog               get/set the log level for each daemon"
+  echo "  resourcemanager -format-state-store   deletes the RMStateStore"
+  echo "  resourcemanager                       run the ResourceManager"
+  echo "  nodemanager                           run a nodemanager on each slave"
+  echo "  timelineserver                        run the timeline server"
+  echo "  rmadmin                               admin tools"
+  echo "  version                               print the version"
+  echo "  jar <jar>                             run a jar file"
+  echo "  application                           prints application(s)"
+  echo "                                        report/kill application"
+  echo "  applicationattempt                    prints applicationattempt(s)"
+  echo "                                        report"
+  echo "  container                             prints container(s) report"
+  echo "  node                                  prints node report(s)"
+  echo "  logs                                  dump container logs"
+  echo "  classpath                             prints the class path needed to"
+  echo "                                        get the Hadoop jar and the"
+  echo "                                        required libraries"
+  echo "  daemonlog                             get/set the log level for each"
+  echo "                                        daemon"
   echo " or"
-  echo "  CLASSNAME            run the class named CLASSNAME"
+  echo "  CLASSNAME                             run the class named CLASSNAME"
   echo "Most commands print help when invoked w/o parameters."
 }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java

@@ -1035,8 +1035,8 @@ public class ResourceManager extends CompositeService implements Recoverable {
     StringUtils.startupShutdownMessage(ResourceManager.class, argv, LOG);
     try {
       Configuration conf = new YarnConfiguration();
-      // If -format, then delete RMStateStore; else startup normally
-      if (argv.length == 1 && argv[0].equals("-format")) {
+      // If -format-state-store, then delete RMStateStore; else startup normally
+      if (argv.length == 1 && argv[0].equals("-format-state-store")) {
         deleteRMStateStore(conf);
       } else {
         ResourceManager resourceManager = new ResourceManager();