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上一篇，我们对Hadoop命令中的HDFS Commands进行了简略的列举，下面我们就MapReduce Commands和Yarn Commands进行简略的列举，官网基本都是英文的，所以只能拙略的翻译下，妄大家见谅。
下面，我们就开始对Hadoop命令下进行讲解。
一：介绍
所有的MapReduce命令通过bin/ mapred脚本调用。不指定参数运行mapred脚本会打印所有命令的描述。
用法: mapred [SHELL_OPTIONS] COMMAND [GENERIC_OPTIONS] [COMMAND_OPTIONS]
Hadoop有一个选项解析框架用于解析一般的选项和运行类。
COMMAND_OPTIONS Description SHELL_OPTIONS The common set of shell options. These are documented on the Hadoop Commands Reference page. GENERIC_OPTIONS The common set of options supported by multiple commands. See the Hadoop Commands Reference for more information. COMMAND COMMAND_OPTIONS Various commands with their options are described in the following sections. The commands have been grouped into User Commands and Administration Commands.
一：介绍
用于Hadoop集群用户命令。
二：archive
创建一个Hadoop档案.More information can be found at Hadoop Archives Guide.
三：classpath
打印Hadoop jar和所需的libs的class路径。
用法: mapred classpath
四：distcp
递归复制文件或目录. More information can be found at Hadoop DistCp Guide.
五：job
MapReduce jobs的命令
用法： mapred job | [GENERIC_OPTIONS] | [-submit <job-file>] | [-status <job-id>] | [-counter <job-id> <group-name> <counter-name>] | [-kill <job-id>] | [-events <job-id> <from-event-#> <#-of-events>] | [-history [all] <jobOutputDir>] | [-list [all]] | [-kill-task <task-id>] | [-fail-task <task-id>] | [-set-priority <job-id> <priority>]
六：pipes
运行一个pipes job.
用法： mapred pipes [-conf <path>] [-jobconf <key=value>, <key=value>, ...] [-input <path>] [-output <path>] [-jar <jar file>] [-inputformat <class>] [-map <class>] [-partitioner <class>] [-reduce <class>] [-writer <class>] [-program <executable>] [-reduces <num>]
七：queue
查看作业队列信息
用法: mapred queue [-list] | [-info <job-queue-name> [-showJobs]] | [-showacls]
八：version
打印版本。
用法: mapred version
一：介绍
用于Hadoop集群用户命令。
二：historyserver
启动JobHistoryServer.
用法: mapred historyserver
三：hsadmin
运行一个MapReduce hsadmin客户端执行jobhistoryserver administrative命令。
用法：Usage: mapred hsadmin [-refreshUserToGroupsMappings] | [-refreshSuperUserGroupsConfiguration] | [-refreshAdminAcls] | [-refreshLoadedJobCache] | [-refreshLogRetentionSettings] | [-refreshJobRetentionSettings] | [-getGroups [username]] | [-help [cmd]]
一：介绍
所有的YARN命令通过bin/yarn 脚本调用。不指定参数运行yarn脚本会打印所有命令的描述。
用法: yarn [--config confdir] COMMAND [--loglevel loglevel] [GENERIC_OPTIONS] [COMMAND_OPTIONS]
YARN有一个选项解析框架用于解析一般的选项和运行类。
一：介绍
用于Hadoop集群用户命令。
二：application
打印app报表或kill掉app
用法: yarn application [options]
三：applicationattempt
打印applicationattempt(s) 报表
用法: yarn applicationattempt [options]
四：classpath
打印Hadoop jar和需要的库类路径。
用法: yarn classpath
五：container
打印container(s)报表
用法: yarn container [options]
六：jar
执行一个jar文件。
用法: yarn jar <jar> [mainClass] args...
七：logs
转储容器日志
用法: yarn logs -applicationId <application ID> [options]
八：node
打印node报表
用法: yarn node [options]
九：queue
打印queue信息
用法: yarn queue [options]
十：version
打印hadoop版本。
用法: yarn version
一：介绍
用于Hadoop集群用户命令。
二：daemonlog
获取/设置在后台Log的级别
用法：yarn daemonlog -getlevel <host:httpport> <classname>
yarn daemonlog -setlevel <host:httpport> <classname> <level>三：nodemanager
启动NodeManager
用法: yarn nodemanager
四：proxyserver
启动web proxy server
用法: yarn proxyserver
五：resourcemanager
启动ResourceManager
用法: yarn resourcemanager [-format-state-store]
六：rmadmin
运行ResourceManager管理客户端
用法：yarn rmadmin [-refreshQueues]
[-refreshNodes]
[-refreshUserToGroupsMapping]
[-refreshSuperUserGroupsConfiguration]
[-refreshAdminAcls]
[-refreshServiceAcl]
[-getGroups [username]]
[-transitionToActive [--forceactive] [--forcemanual] <serviceId>]
[-transitionToStandby [--forcemanual] <serviceId>]
[-failover [--forcefence] [--forceactive] <serviceId1> <serviceId2>]
[-getServiceState <serviceId>]
[-checkHealth <serviceId>]
[-help [cmd]]七：scmadmin
运行Shared Cache Manager管理客户端
用法: yarn scmadmin [options]
八：sharedcachemanager
启动Shared Cache Manager
用法: yarn sharedcachemanager
九：timelineserver
启动TimeLineServer
用法: yarn timelineserver
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到此，本章节的内容讲述完毕。
Apache MapReduce Commands:http://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapredCommands.html
Apache YARN Commands:http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/YarnCommands.html
Apache 1.04 中文：http://hadoop.apache.org/docs/r1.0.4/cn/commands_manual.html
【源】从零自学Hadoop系列索引
本文版权归mephisto和博客园共有，欢迎转载，但须保留此段声明，并给出原文链接，谢谢合作。
文章是哥(mephisto)写的，SourceLink