| hadoop102 | hadoop103 | hadoop104 | |
|---|---|---|---|
| HDFS | NameNode DataNode |
DataNode | SecondaryNameNode DataNode |
| YARN | NodeManager | ResourceManager NodeManager |
NodeManager |
配置 slaves
/opt/module/hadoop-2.7.2/etc/hadoop/slaves
[[email protected] hadoop] vim slaves
hadoop102
hadoop103
hadoop104
分发
[[email protected] hadoop] xsync slaves
fname=slaves
pdir=/opt/module/hadoop-2.7.2/etc/hadoop
--------------------- hadoop102 ----------------
sending incremental file list
sent 29 bytes received 12 bytes 82.00 bytes/sec
total size is 30 speedup is 0.73
--------------------- hadoop103 ----------------
sending incremental file list
slaves
sent 102 bytes received 37 bytes 92.67 bytes/sec
total size is 30 speedup is 0.22
--------------------- hadoop104 ----------------
sending incremental file list
slaves
sent 102 bytes received 37 bytes 278.00 bytes/sec
total size is 30 speedup is 0.22
确认103配置已更新
[[email protected]doop103 hadoop] cat slaves
hadoop102
hadoop103
hadoop104
启动 HDFS
[[email protected] hadoop] start-dfs.sh
Starting namenodes on [hadoop102]
hadoop102: starting namenode, logging to /opt/module/hadoop-2.7.2/logs/hadoop-root-namenode-hadoop102.out
hadoop102: starting datanode, logging to /opt/module/hadoop-2.7.2/logs/hadoop-root-datanode-hadoop102.out
hadoop104: starting datanode, logging to /opt/module/hadoop-2.7.2/logs/hadoop-root-datanode-hadoop104.out
hadoop103: starting datanode, logging to /opt/module/hadoop-2.7.2/logs/hadoop-root-datanode-hadoop103.out
Starting secondary namenodes [hadoop104]
hadoop104: starting secondarynamenode, logging to /opt/module/hadoop-2.7.2/logs/hadoop-root-secondarynamenode-hadoop104.out
查看
[[email protected] hadoop] jps
2896 NameNode
3025 DataNode
3226 Jps
[[email protected] hadoop] jps
2614 Jps
2541 DataNode
[[email protected] ~] jps
2885 Jps
2742 DataNode
2838 SecondaryNameNode
启动 Yarn
[[email protected] hadoop] start-yarn.sh
starting yarn daemons
starting resourcemanager, logging to /opt/module/hadoop-2.7.2/logs/yarn-root-resourcemanager-hadoop103.out
hadoop102: starting nodemanager, logging to /opt/module/hadoop-2.7.2/logs/yarn-root-nodemanager-hadoop102.out
hadoop104: starting nodemanager, logging to /opt/module/hadoop-2.7.2/logs/yarn-root-nodemanager-hadoop104.out
hadoop103: starting nodemanager, logging to /opt/module/hadoop-2.7.2/logs/yarn-root-nodemanager-hadoop103.out
查看
[[email protected] hadoop] jps
2674 ResourceManager
2773 NodeManager
3068 Jps
2541 DataNode
[[email protected] hadoop] jps
2896 NameNode
3025 DataNode
3379 Jps
3277 NodeManager
[[email protected] ~] jps
2742 DataNode
2838 SecondaryNameNode
3081 Jps
2972 NodeManager
查看
停止
先在hadoop103停止yarn
[[email protected] ~]# stop-yarn.sh
stopping yarn daemons
stopping resourcemanager
hadoop103: stopping nodemanager
hadoop102: stopping nodemanager
hadoop104: stopping nodemanager
no proxyserver to stop
然后在hadoop102停止hdfs
[[email protected] ~]# stop-dfs.sh
Stopping namenodes on [hadoop102]
hadoop102: stopping namenode
hadoop103: stopping datanode
hadoop102: stopping datanode
hadoop104: stopping datanode
Stopping secondary namenodes [hadoop104]
hadoop104: stopping secondarynamenode