Usage: yarn [OPTIONS] SUBCOMMAND [SUBCOMMAND OPTIONS] or yarn [OPTIONS] CLASSNAME [CLASSNAME OPTIONS] where CLASSNAME is a user-provided Java class OPTIONS is none or any of: --buildpaths attempt to add class files from build tree --config dir Hadoop config directory --daemon (start|status|stop) operate on a daemon --debug turn on shell script debug mode --help usage information --hostnames list[,of,host,names] hosts to use in worker mode --hosts filename list of hosts to use in worker mode --loglevel level set the log4j level for this command --workers turn on worker mode SUBCOMMAND is one of: Admin Commands: daemonlog get/set the log level for each daemon gpgadmin yan gpg admin tools node prints node report(s) rmadmin admin tools routeradmin router admin tools scmadmin SharedCacheManager admin tools Client Commands: applicationattempt prints applicationattempt(s) report app|application prints application(s) report/kill application/manage long running application classpath prints the class path needed to get the hadoop jar and the required libraries cluster prints cluster information container prints container(s) report envvars display computed Hadoop environment variables fs2cs converts Fair Scheduler configuration to Capacity Scheduler (EXPERIMENTAL) jar run a jar file logs dump container logs nodeattributes node attributes cli client queue prints queue information schedulerconf Updates scheduler configuration timelinereader run the timeline reader server top view cluster information version print the version Daemon Commands: globalpolicygenerator run the Global Policy Generator nodemanager run a nodemanager on each worker proxyserver run the web app proxy server registrydns run the registry DNS server resourcemanager run the ResourceManager router run the Router daemon sharedcachemanager run the SharedCacheManager daemon timelineserver run the timeline server SUBCOMMAND may print help when invoked w/o parameters or with -h.