環境說明：
[root@hadp-master sbin]# hadoop version
hadoop 2.7.4
一、 指令碼封裝全部一起啟動、關閉
1.1 啟動
[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
說明：啟動所有的hadoop守護程序。包括namenode、datanode、 secondary namenode、yarn、 yarn-root-nodemanager
1.2 關閉
[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
說明：關閉所有的hadoop守護程序。包括namenode、datanode、 secondary namenode、yarn、resourcemanager
二、模組封裝啟動、關閉
2.1 啟動
[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
說明：啟動hadoop hdfs守護程序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
說明：啟動yarn daemons、yarn-root-resourcemanager、yarn-root-nodemanager
2.2 關閉
[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
說明：停止hadoop hdfs守護程序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
說明：關閉yarn daemons、yarn-root-resourcemanager、nodemanager
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