Zookeeper
下载与安装
wget http://archive.apache.org/dist/zookeeper/zookeeper-3.4.9/zookeeper-3.4.9.tar.gz
// 下载文件 这里选择是3.4.9版本
tar xzf zookeeper-3.4.9.tar.gz
// 解压
配置
在解压后的文件夹同级创建data和logs两个目录用于存储数据和日志
mkdir zookeeper_data
mkdir zookeeper_logs
在/usr/local/zookeeper/zookeeper-3.4.9/conf目录下新建zoo.cfg文件 touch zoo.cfg 写入以下内容保存:
tickTime=2000
dataDir=/usr/local/zookeeper/zookeeper_data
dataLogDir=/usr/local/zookeeper/zookeeper_logs
clientPortAddress=192.168.10.207
clientPort=2181
启动和停止
进入bin目录
./zkServer.sh start
./zkServer.sh stop
./zkServer.sh restart
./zkServer.sh status
如果只是单机版zookeeper部署的话,以上就ok了
集群
如果有多个服务器需要集群部署,只需修改各个机器的配置zoo.cfg 假设三台机器分别为:
- 192.168.10.206
- 192.168.10.207
- 192.168.10.208
修改机器1配置(192.168.10.206)
tickTime=2000
dataDir=/usr/local/zookeeper/zookeeper_data
dataLogDir=/usr/local/zookeeper/zookeeper_logs
clientPortAddress=192.168.10.206
clientPort=2181
initLimit=10
syncLimit=5
maxClientCnxns=512
autopurge.snapRetainCount=3
autopurge.purgeInterval=12
server.1=192.168.10.206:2888:7770
server.2=192.168.10.207:2888:7770
server.3=192.168.10.208:2888:7770
保存后出来,输入以下命令,会在对应路径下生成myid文件并向文件输入内容 echo '1' > /usr/local/zookeeper/zookeeper_data/myid
修改机器2配置(192.168.10.207)
tickTime=2000
dataDir=/usr/local/zookeeper/zookeeper_data
dataLogDir=/usr/local/zookeeper/zookeeper_logs
clientPortAddress=192.168.10.207
clientPort=2181
initLimit=10
syncLimit=5
maxClientCnxns=512
autopurge.snapRetainCount=3
autopurge.purgeInterval=12
server.1=192.168.10.206:2888:7770
server.2=192.168.10.207:2888:7770
server.3=192.168.10.208:2888:7770
保存后出来,输入以下命令,会在对应路径下生成myid文件并向文件输入内容 echo '2' > /usr/local/zookeeper/zookeeper_data/myid
修改机器3配置(192.168.10.208)
tickTime=2000
dataDir=/usr/local/zookeeper/zookeeper_data
dataLogDir=/usr/local/zookeeper/zookeeper_logs
clientPortAddress=192.168.10.208
clientPort=2181
initLimit=10
syncLimit=5
maxClientCnxns=512
autopurge.snapRetainCount=3
autopurge.purgeInterval=12
server.1=192.168.10.206:2888:7770
server.2=192.168.10.207:2888:7770
server.3=192.168.10.208:2888:7770
保存后出来,输入以下命令,会在对应路径下生成myid文件并向文件输入内容 echo '3' > /usr/local/zookeeper/zookeeper_data/myid
集群模式启动
使用命令把三个zookeeper都启动即可,启动顺序随意没要求。
集群运行状态查看
机器1(192.168.10.206)
$./zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
Mode: follower
机器2(192.168.10.207)
$./zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
Mode: follower
机器3(192.168.10.208)
$./zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
Mode: leader
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