规划
| hadoop1 | hadoop2 | hadoop3 |
|---|---|---|
| namenode | resourcemanager | secondarynamenode |
| datanode | datanode | datanode |
| nodemanager | nodemanager | nodemanager |
| historyserver | 无 | 无 |
| ========= | ========= | ========= |
| zookeeper | zookeeper | zookeeper |
| ========= | ========= | ========= |
| hmaster | 无 | 无 |
| region server | region server | region server |
| 无 | 备用 hmaster | 备用 hmaster |
hadoop1
服务器 hadoop1 安装以下角色：
- hmaster
- region server
- zookeeper
hadoop2
服务器 hadoop2 安装以下角色：
- region server
- zookeeper
hadoop3
服务器 hadoop3 安装以下角色：
- region server
- zookeeper