ZooKeeper安装方法详解

快来打我* 2022-07-31 15:25 181阅读 0赞

ZooKeeper安装方式分为两种，一种为单机模式，一个为集群模式，集群模式需要事先正确配置hadoop集群，安装方法参考[hadoop-1.2.1安装方法详解][hadoop-1.2.1]  
  
单机模式安装：  
1、上传并解压zookeeper-3.4.5.tar.gz  
\[hadoop@mdw temp\]$ cp /mnt/cdrom/zookeeper-3.4.5.tar.gz .  
\[hadoop@mdw temp\]$ tar xzf zookeeper-3.4.5.tar.gz   
  
2、在.bashrc文件中配置ZooKeeper环境变量，并使之生效

export ZOOKEEPER_HOME=/home/hadoop/zookeeper-3.4.5
    export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$PIG_HOME/bin:$ZOOKEEPER_HOME/bin

3、创建ZooKeeper数据目录  
\[hadoop@mdw ~\]$  mkdir -p /home/hadoop/data/zookeeper  
  
  
4、复制/home/hadoop/zookeeper-3.4.5/conf/zoo\_sample.cfg文件，命令为zoo.cfg  
\[hadoop@mdw conf\]$  cp zoo\_sample.cfg zoo.cfg  
  
5、修改ZooKeeper的配置文件zoo.cfg中的参数，设置dataDir为刚创建的目录  
dataDir=/home/hadoop/data/zookeeper  
  
6、启动ZooKeeper  
\[hadoop@mdw ~\]$  zkServer.sh start  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Starting zookeeper ...  STARTED  
  
  
可以看到ZooKeeper已启动，至此单机模式的ZooKeeper已完成安装。  
  
集群模式 安装：  
在单机模式的基础上继续修改配置：  
1、停止ZooKeeper  
\[hadoop@mdw ~\]$  zkServer.sh stop  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Stopping zookeeper ...  STOPPED  
  
  
2、修改zoo.cfg配置参数，添加以下内容  
dataLogDir=/home/hadoop/zookeeper-3.4.5/logs  
  
server.1=192.168.10.200:7000:7001  
server.2=192.168.10.201:7000:7001  
server.3=192.168.10.202:7000:7001  
  
  
这里的ip是三台主机的ip  
  
3、在ZooKeeper安装目录下创建日志logs文件夹，即参数dataLogDir配置的目录  
\[hadoop@sdw1 zookeeper-3.4.5\]$  mkdir logs  
  
4、在三台主机上都创建ZooKeeper的data目录  
\[hadoop@mdw ~\]$  mkdir -p /home/hadoop/data/zookeeper  
\[hadoop@sdw1 ~\]$  mkdir -p /home/hadoop/data/zookeeper  
\[hadoop@sdw2 ~\]$  mkdir -p /home/hadoop/data/zookeeper  
  
5、三台电脑上分别在ZooKeeper的data目录(/home/hadoop/data/zookeeper)创建myid文件,内容分别为1、2、3  
\[hadoop@ mdw  zookeeper\]$ cat myid   
1  
\[hadoop@ swd1  zookeeper\]$ cat myid   
2  
  
  
\[hadoop@ sdw2  zookeeper\]$ cat myid   
3  
  
  
6、将配置好的ZooKeeper安装文件和.bashrc文件发送到另外两台主机  
\[hadoop@mdw ~\]$  scp -r zookeeper-3.4.5/ sdw1:~  
\[hadoop@mdw ~\]$  scp -r zookeeper-3.4.5/ sdw2:~  
\[hadoop@mdw ~\]$  scp .bashrc sdw1:~  
\[hadoop@mdw ~\]$  scp .bashrc sdw2:~  
  
7、在 三台主机上 分别启动ZooKeeper  
\[hadoop@ mdw  ~\]$  zkServer.sh start  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Starting zookeeper ...  STARTED  
  
  
\[hadoop@ sdw1  ~\]$  zkServer.sh start  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Starting zookeeper ...  STARTED  
  
  
\[hadoop@ sdw2  ~\]$  zkServer.sh start  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Starting zookeeper ...  STARTED  
  
  
8、检查ZooKeeper的状态  
\[hadoop@ mdw  ~\]$  jps  
3316 QuorumPeerMain  
2747 JobTracker  
2664 SecondaryNameNode  
2517 NameNode  
3333 Jps  
  
\[hadoop@ mdw  ~\]$  zkServer.sh status  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Mode:  follower  
  
  
\[hadoop@ sdw1  ~\]$  jps  
3006 QuorumPeerMain  
2271 DataNode  
3141 Jps  
2335 TaskTracker  
\[hadoop@ sdw1  ~\]$  zkServer.sh status  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Mode:  leader  
  
  
\[hadoop@ sdw2  ~\]$ jps  
2286 DataNode  
2354 TaskTracker  
2901 Jps  
2796 QuorumPeerMain  
\[hadoop@sdw2 ~\]$  zkServer.sh status  
JMX enabled by default  
Using config: /home/hadoop/zookeeper-3.4.5/bin/../conf/zoo.cfg  
Mode:  follower  
  
  
到此ZooKeeper的集群模式已成功安装

[hadoop-1.2.1]: http://blog.csdn.net/gnail_oug/article/details/46957955