107 lines
2.6 KiB
Markdown
107 lines
2.6 KiB
Markdown
### Zookeeper脚本配置
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- 拷贝ips
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```bash
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cp ips ips_zookeeper
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```
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修改为
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```bash
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nn1
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nn2
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nn3
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```
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- 拷贝三个脚本
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```bash
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cp scp_all.sh scp_all_zookeeper.sh
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cp ssh_all.sh ssh_all_zookeeper.sh
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cp ssh_root.sh ssh_root_zookeeper.sh
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```
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- 修改脚本
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```shell
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vim scp_all_zookeeper.sh
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vim ssh_all_zookeeper.sh
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vim ssh_root_zookeeper.sh
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```
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将三个脚本中的ips改为ips_zookeeper
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### Zookeeper安装
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- 上传到`/tmp`目录下，解压
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```bash
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sudo tar -zxvf /tmp/zookeeper-3.4.8.tar.gz -C /usr/local/
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scp -r /usr/local/zookeeper-3.4.8/ root@nn2:/usr/local/
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scp -r /usr/local/zookeeper-3.4.8/ root@nn3:/usr/local/
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ssh_root_zookeeper.sh chown -R hadoop:hadoop /usr/local/zookeeper-3.4.8
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ssh_root_zookeeper.s ln -s /usr/local/zookeeper-3.4.8/ /usr/local/zookeeper
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```
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### Zookeeper配置
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- zoo.cfg配置
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```bash
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cd /usr/local/zookeeper/conf/
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cp zoo_sample.cfg zoo.cfg
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```
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然后`vim zoo.cfg`,修改如下：
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```properties
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# 修改dataDir
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dataDir=/data/zookeeper
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# 添加一下内容
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server.1=nn1:2888:3888
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server.2=nn2:2888:3888
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server.3=nn3:2888:3888
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```
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分发给nn2、nn3
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`scp_all_zookeeper.sh /usr/local/zookeeper/conf/zoo.cfg /usr/local/zookeeper/conf/`
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- `zkEnv.sh`配置
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`vim /usr/local/zookeeper/bin/zkEnv.sh`
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![[images/000001.png]]
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分发到nn2、nn3
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```bash
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scp_all_zookeeper.sh /usr/local/zookeeper/bin/zkEnv.sh /usr/local/zookeeper/bin/
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```
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- 创建zookeeper数据目录
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```bash
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ssh_root_zookeeper.sh mkdir -p /data/zookeeper
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ssh_root_zookeeper.sh chown -R hadoop:hadoop /data
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```
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- 创建myid文件
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```bash
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ssh nn1 'echo "1" > /data/zookeeper/myid'
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ssh nn2 'echo "2" > /data/zookeeper/myid'
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ssh nn3 'echo "3" > /data/zookeeper/myid'
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```
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- 配置Zookeeper环境变量
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```bash
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# 在其他所有主机也执行
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sudo chown -R hadoop:hadoop /etc/profile.d/myEnv.sh
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```
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```bash
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echo 'export ZOOKEEPER_HOME=/usr/local/zookeeper' >> /etc/profile.d/myEnv.sh
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echo 'export PATH=$PATH:$ZOOKEEPER_HOME/bin' >> /etc/profile.d/myEnv.sh
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```
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```bash
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# 分发到nn2、nn3
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scp_all_zookeeper.sh /etc/profile.d/myEnv.sh /etc/profile.d/
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# source 环境变量
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ssh_all_zookeeper.sh source /etc/profile
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```
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### Zookeeper的命令
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```bash
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#启动zk服务
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ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh start
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#查看每个机器ZK运行的状态
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ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh status
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#整体停止服务
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ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh stop
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#重启zk服务
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ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh restart
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```
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```shell
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#启动zookeeper客户端，并连接zookeeper集群
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/usr/local/zookeeper/bin/zkCli.sh -server nn1:2181
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# 可以简化为:
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zkCli.sh
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```
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