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yarn.cmd
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Tue, Feb 25, 12:02

yarn.cmd
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@echo off
@rem Licensed to the Apache Software Foundation (ASF) under one or more
@rem contributor license agreements. See the NOTICE file distributed with
@rem this work for additional information regarding copyright ownership.
@rem The ASF licenses this file to You under the Apache License, Version 2.0
@rem (the "License"); you may not use this file except in compliance with
@rem the License. You may obtain a copy of the License at
@rem
@rem http://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem The Hadoop command script
@rem
@rem Environment Variables
@rem
@rem JAVA_HOME The java implementation to use. Overrides JAVA_HOME.
@rem
@rem YARN_CLASSPATH Extra Java CLASSPATH entries.
@rem
@rem YARN_HEAPSIZE The maximum amount of heap to use, in MB.
@rem Default is 1000.
@rem
@rem YARN_{COMMAND}_HEAPSIZE overrides YARN_HEAPSIZE for a given command
@rem eg YARN_NODEMANAGER_HEAPSIZE sets the heap
@rem size for the NodeManager. If you set the
@rem heap size in YARN_{COMMAND}_OPTS or YARN_OPTS
@rem they take precedence.
@rem
@rem YARN_OPTS Extra Java runtime options.
@rem
@rem YARN_CLIENT_OPTS when the respective command is run.
@rem YARN_{COMMAND}_OPTS etc YARN_NODEMANAGER_OPTS applies to NodeManager
@rem for e.g. YARN_CLIENT_OPTS applies to
@rem more than one command (fs, dfs, fsck,
@rem dfsadmin etc)
@rem
@rem YARN_CONF_DIR Alternate conf dir. Default is ${HADOOP_YARN_HOME}/conf.
@rem
@rem YARN_ROOT_LOGGER The root appender. Default is INFO,console
@rem
setlocal enabledelayedexpansion
if not defined HADOOP_BIN_PATH (
set HADOOP_BIN_PATH=%~dp0
)
if "%HADOOP_BIN_PATH:~-1%" == "\" (
set HADOOP_BIN_PATH=%HADOOP_BIN_PATH:~0,-1%
)
set DEFAULT_LIBEXEC_DIR=%HADOOP_BIN_PATH%\..\libexec
if not defined HADOOP_LIBEXEC_DIR (
set HADOOP_LIBEXEC_DIR=%DEFAULT_LIBEXEC_DIR%
)
call %DEFAULT_LIBEXEC_DIR%\yarn-config.cmd %*
if "%1" == "--config" (
shift
shift
)
:main
if exist %YARN_CONF_DIR%\yarn-env.cmd (
call %YARN_CONF_DIR%\yarn-env.cmd
)
set yarn-command=%1
call :make_command_arguments %*
if not defined yarn-command (
goto print_usage
)
@rem JAVA and JAVA_HEAP_MAX and set in hadoop-config.cmd
if defined YARN_HEAPSIZE (
@rem echo run with Java heapsize %YARN_HEAPSIZE%
set JAVA_HEAP_MAX=-Xmx%YARN_HEAPSIZE%m
)
@rem CLASSPATH initially contains HADOOP_CONF_DIR & YARN_CONF_DIR
if not defined HADOOP_CONF_DIR (
echo No HADOOP_CONF_DIR set.
echo Please specify it either in yarn-env.cmd or in the environment.
goto :eof
)
set CLASSPATH=%HADOOP_CONF_DIR%;%YARN_CONF_DIR%;%CLASSPATH%
@rem for developers, add Hadoop classes to CLASSPATH
if exist %HADOOP_YARN_HOME%\yarn-api\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-api\target\classes
)
if exist %HADOOP_YARN_HOME%\yarn-common\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-common\target\classes
)
if exist %HADOOP_YARN_HOME%\yarn-mapreduce\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-mapreduce\target\classes
)
if exist %HADOOP_YARN_HOME%\yarn-master-worker\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-master-worker\target\classes
)
if exist %HADOOP_YARN_HOME%\yarn-server\yarn-server-nodemanager\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-server\yarn-server-nodemanager\target\classes
)
if exist %HADOOP_YARN_HOME%\yarn-server\yarn-server-common\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-server\yarn-server-common\target\classes
)
if exist %HADOOP_YARN_HOME%\yarn-server\yarn-server-resourcemanager\target\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\yarn-server\yarn-server-resourcemanager\target\classes
)
if exist %HADOOP_YARN_HOME%\build\test\classes (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\build\test\classes
)
if exist %HADOOP_YARN_HOME%\build\tools (
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\build\tools
)
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\%YARN_DIR%\*
set CLASSPATH=%CLASSPATH%;%HADOOP_YARN_HOME%\%YARN_LIB_JARS_DIR%\*
if %yarn-command% == classpath (
@echo %CLASSPATH%
goto :eof
)
set yarncommands=resourcemanager nodemanager proxyserver rmadmin version jar application node logs daemonlog
for %%i in ( %yarncommands% ) do (
if %yarn-command% == %%i set yarncommand=true
)
if defined yarncommand (
call :%yarn-command%
) else (
set CLASSPATH=%CLASSPATH%;%CD%
set CLASS=%yarn-command%
)
if defined JAVA_LIBRARY_PATH (
set YARN_OPTS=%YARN_OPTS% -Djava.library.path=%JAVA_LIBRARY_PATH%
)
set java_arguments=%JAVA_HEAP_MAX% %YARN_OPTS% -classpath %CLASSPATH% %CLASS% %yarn-command-arguments%
call %JAVA% %java_arguments%
goto :eof
:classpath
@echo %CLASSPATH%
goto :eof
:rmadmin
set CLASS=org.apache.hadoop.yarn.client.cli.RMAdminCLI
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
:application
set CLASS=org.apache.hadoop.yarn.client.cli.ApplicationCLI
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
:node
set CLASS=org.apache.hadoop.yarn.client.cli.NodeCLI
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
:resourcemanager
set CLASSPATH=%CLASSPATH%;%YARN_CONF_DIR%\rm-config\log4j.properties
set CLASS=org.apache.hadoop.yarn.server.resourcemanager.ResourceManager
set YARN_OPTS=%YARN_OPTS% %YARN_RESOURCEMANAGER_OPTS%
if defined YARN_RESOURCEMANAGER_HEAPSIZE (
set JAVA_HEAP_MAX=-Xmx%YARN_RESOURCEMANAGER_HEAPSIZE%m
)
goto :eof
:nodemanager
set CLASSPATH=%CLASSPATH%;%YARN_CONF_DIR%\nm-config\log4j.properties
set CLASS=org.apache.hadoop.yarn.server.nodemanager.NodeManager
set YARN_OPTS=%YARN_OPTS% -server %HADOOP_NODEMANAGER_OPTS%
if defined YARN_NODEMANAGER_HEAPSIZE (
set JAVA_HEAP_MAX=-Xmx%YARN_NODEMANAGER_HEAPSIZE%m
)
goto :eof
:proxyserver
set CLASS=org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer
set YARN_OPTS=%YARN_OPTS% %HADOOP_PROXYSERVER_OPTS%
if defined YARN_PROXYSERVER_HEAPSIZE (
set JAVA_HEAP_MAX=-Xmx%YARN_PROXYSERVER_HEAPSIZE%m
)
goto :eof
:version
set CLASS=org.apache.hadoop.util.VersionInfo
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
:jar
set CLASS=org.apache.hadoop.util.RunJar
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
:logs
set CLASS=org.apache.hadoop.yarn.client.cli.LogsCLI
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
:daemonlog
set CLASS=org.apache.hadoop.log.LogLevel
set YARN_OPTS=%YARN_OPTS% %YARN_CLIENT_OPTS%
goto :eof
@rem This changes %1, %2 etc. Hence those cannot be used after calling this.
:make_command_arguments
if "%1" == "--config" (
shift
shift
)
if [%2] == [] goto :eof
shift
set _yarnarguments=
:MakeCmdArgsLoop
if [%1]==[] goto :EndLoop
if not defined _yarnarguments (
set _yarnarguments=%1
) else (
set _yarnarguments=!_yarnarguments! %1
)
shift
goto :MakeCmdArgsLoop
:EndLoop
set yarn-command-arguments=%_yarnarguments%
goto :eof
:print_usage
@echo Usage: yarn [--config confdir] COMMAND
@echo where COMMAND is one of:
@echo resourcemanager run the ResourceManager
@echo nodemanager run a nodemanager on each slave
@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 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 or
@echo CLASSNAME run the class named CLASSNAME
@echo Most commands print help when invoked w/o parameters.
endlocal

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