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环境说明：
[root@hadp-master sbin]# Hadoop version
Hadoop 2.7.4
一、脚本封装全部一起启动、关闭
1.1 启动
[root@hadp-master sbin]# ./start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [hadp-master]
hadp-master: starting namenode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-namenode-hadp-master.out
hadp-node2: starting datanode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-datanode-hadp-node2.out
hadp-node1: starting datanode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-datanode-hadp-node1.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-secondarynamenode-hadp-master.out
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop/hadoop-2.7.4/logs/yarn-root-resourcemanager-hadp-master.out
hadp-node2: starting nodemanager, logging to /usr/local/hadoop/hadoop-2.7.4/logs/yarn-root-nodemanager-hadp-node2.out
hadp-node1: starting nodemanager, logging to /usr/local/hadoop/hadoop-2.7.4/logs/yarn-root-nodemanager-hadp-node1.out
说明：启动所有的 Hadoop 守护进程。包括 NameNode、DataNode、Secondary NameNode、Yarn、Yarn-root-nodemanager
1.2 关闭
[root@hadp-master sbin]# ./stop-all.sh
This script is Deprecated. Instead use stop-dfs.sh and stop-yarn.sh
Stopping namenodes on [hadp-master]
hadp-master: stopping namenode
hadp-node2: stopping datanode
hadp-node1: stopping datanode
Stopping secondary namenodes [0.0.0.0]
0.0.0.0: stopping secondarynamenode
stopping yarn daemons
stopping resourcemanager
hadp-node2: no nodemanager to stop
hadp-node1: no nodemanager to stop
no proxyserver to stop
说明：关闭所有的 Hadoop 守护进程。包括 NameNode、DataNode、Secondary NameNode、Yarn、resourcemanager
二、模块封装启动、关闭
2.1 启动
[root@hadp-master sbin]# ./start-dfs.sh
Starting namenodes on [hadp-master]
hadp-master: starting namenode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-namenode-hadp-master.out
hadp-node1: starting datanode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-datanode-hadp-node1.out
hadp-node2: starting datanode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-datanode-hadp-node2.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop/hadoop-2.7.4/logs/hadoop-root-secondarynamenode-hadp-master.out
说明：启动 Hadoop HDFS 守护进程 NameNode、DataNode、SecondaryNameNode
[root@hadp-master sbin]# ./start-yarn.sh
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop/hadoop-2.7.4/logs/yarn-root-resourcemanager-hadp-master.out
hadp-node2: starting nodemanager, logging to /usr/local/hadoop/hadoop-2.7.4/logs/yarn-root-nodemanager-hadp-node2.out
hadp-node1: starting nodemanager, logging to /usr/local/hadoop/hadoop-2.7.4/logs/yarn-root-nodemanager-hadp-node1.out
说明：启动 yarn daemons、yarn-root-resourcemanager、yarn-root-nodemanager
2.2 关闭
[root@hadp-master sbin]# ./stop-dfs.sh
Stopping namenodes on [hadp-master]
hadp-master: stopping namenode
hadp-node2: stopping datanode
hadp-node1: stopping datanode
Stopping secondary namenodes [0.0.0.0]
0.0.0.0: stopping secondarynamenode
说明：停止 Hadoop HDFS 守护进程 NameNode、DataNode、SecondaryNameNode
[root@hadp-master sbin]# ./stop-yarn.sh
stopping yarn daemons
stopping resourcemanager
hadp-node1: no nodemanager to stop
hadp-node2: no nodemanager to stop
no proxyserver to stop
说明：关闭 yarn daemons、yarn-root-resourcemanager、nodemanager
Hadoop2.3-HA 高可用集群环境搭建 https://www.linuxidc.com/Linux/2017-03/142155.htm
Hadoop 项目之基于 CentOS7 的 Cloudera 5.10.1（CDH）的安装部署 https://www.linuxidc.com/Linux/2017-04/143095.htm
CentOS 7.4 下 Hadoop 2.7.6 安装部署 https://www.linuxidc.com/Linux/2018-08/153353.htm
Hadoop2.7.2 集群搭建详解（高可用）https://www.linuxidc.com/Linux/2017-03/142052.htm
使用 Ambari 来部署 Hadoop 集群（搭建内网 HDP 源）https://www.linuxidc.com/Linux/2017-03/142136.htm
Ubuntu 14.04 下 Hadoop 集群安装 https://www.linuxidc.com/Linux/2017-02/140783.htm
CentOS 6.7 安装 Hadoop 2.7.2 https://www.linuxidc.com/Linux/2017-08/146232.htm
Ubuntu 16.04 上构建分布式 Hadoop-2.7.3 集群 https://www.linuxidc.com/Linux/2017-07/145503.htm
CentOS 7 下 Hadoop 2.6.4 分布式集群环境搭建 https://www.linuxidc.com/Linux/2017-06/144932.htm
Hadoop2.7.3+Spark2.1.0 完全分布式集群搭建过程 https://www.linuxidc.com/Linux/2017-06/144926.htm
CentOS 7.4 下编译安装 Hadoop 2.7.6 及所需文件 https://www.linuxidc.com/Linux/2018-06/152786.htm
Ubuntu 16.04.3 下安装配置 Hadoop https://www.linuxidc.com/Linux/2018-04/151993.htm
更多 Hadoop 相关信息见Hadoop 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=13
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