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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/branches/branch-2@1612444 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Karthik Kambatla 2014-07-22 01:33:17 +00:00
parent 33d82259aa
commit 10a82e54da
2 changed files with 22 additions and 18 deletions
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16
hadoop-yarn-project/hadoop-yarn/bin/yarn
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@ -61,21 +61,25 @@ HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR}
function print_usage(){ function print_usage(){
echo "Usage: yarn [--config confdir] COMMAND" echo "Usage: yarn [--config confdir] COMMAND"
echo "where COMMAND is one of:" echo "where COMMAND is one of:"
echo " resourcemanager -format deletes the RMStateStore" echo " resourcemanager -format-state-store deletes the RMStateStore"
echo " resourcemanager run the ResourceManager" echo " resourcemanager run the ResourceManager"
echo " nodemanager run a nodemanager on each slave" echo " nodemanager run a nodemanager on each slave"
echo " timelineserver run the timeline server" echo " timelineserver run the timeline server"
echo " rmadmin admin tools" echo " rmadmin admin tools"
echo " version print the version" echo " version print the version"
echo " jar <jar> run a jar file" echo " jar <jar> run a jar file"
echo " application prints application(s) report/kill application" echo " application prints application(s)"
echo " applicationattempt prints applicationattempt(s) report" echo " report/kill application"
echo " applicationattempt prints applicationattempt(s)"
echo " report"
echo " container prints container(s) report" echo " container prints container(s) report"
echo " node prints node report(s)" echo " node prints node report(s)"
echo " logs dump container logs" echo " logs dump container logs"
echo " classpath prints the class path needed to get the" echo " classpath prints the class path needed to"
echo " Hadoop jar and the required libraries" echo " get the Hadoop jar and the"
echo " daemonlog get/set the log level for each daemon" echo " required libraries"
echo " daemonlog get/set the log level for each"
echo " daemon"
echo " or" 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." echo "Most commands print help when invoked w/o parameters."

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -1035,8 +1035,8 @@ public class ResourceManager extends CompositeService implements Recoverable {
StringUtils.startupShutdownMessage(ResourceManager.class, argv, LOG); StringUtils.startupShutdownMessage(ResourceManager.class, argv, LOG);
try { try {
Configuration conf = new YarnConfiguration(); Configuration conf = new YarnConfiguration();
// If -format, then delete RMStateStore; else startup normally // If -format-state-store, then delete RMStateStore; else startup normally
if (argv.length == 1 && argv[0].equals("-format")) { if (argv.length == 1 && argv[0].equals("-format-state-store")) {
deleteRMStateStore(conf); deleteRMStateStore(conf);
} else { } else {
ResourceManager resourceManager = new ResourceManager(); ResourceManager resourceManager = new ResourceManager();