Zookeeper安装部署
Zookeeper安装依赖于Java环境,如果没有请先安装jdk。
安装目录为 /usr/local/zookeeper,数据目录为 /var/lib/zookeeper。
将zookeeper-3.4.6.tar.gz下载或通过工具上传到/usr/local/zookeeper目录
wget方式
wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz
执行以下操作
tar -zxf zookeeper-3.4.14.tar.gz
mv zookeeper-3.4.14 /usr/local/zookeeper
mkdir -p /var/lib/zookeeper
进入zookeeper的配置目录
cd /usr/local/zookeeper/conf
复制zoo_sample.cfg改名为zoo.cfg
cp zoo_sample.cfg zoo.cfg
将zoo.cfg按如下配置
tickTime=2000
dataDir=/var/lib/zookeeper
clientPort=2181
搭建集群还要加入集群配置(每台服务器都相同)
注意下面配置不能与上面的内容有空行
server.0=192.168.123.123:2888:3888
server.1=192.168.123.124:2888:3888
server.2=192.168.123.125:2888:3888
配置环境变量
vi /etc/profile
export ZK_HOME=/usr/local/zookeeper
export PATH=$ZK_HOME/bin:$PATH
source /etc/profile
配置myid
mkdir /var/lib/zookeeper/
cd /var/lib/zookeeper/
vi myid
填写0,对应刚才配置的serverid

server.0=192.168.123.123:2888:3888
server.1=192.168.123.124:2888:3888
server.2=192.168.123.125:2888:3888
server.后面的数字,每个服务器都要写(唯一)
启动zookeeper
cd /usr/local/zookeeper/bin
./zkServer.sh start #启动
./zkServer.sh stop #停止
./zkServer.sh restart #重启
./zkServer.sh status #查看状态
启动成功
JMX enabled by default Using config:
/usr/local/zookeeper/bin/…/conf/zoo.cfg Starting zookeeper …
STARTED
现在可以连到 Zookeeper 端口上,通过发送四字命令 srvr 来验证 Zookeeper 是否安装正确。
telnet localhost 2181
如果提示-bash: telnet: command not found
执行以下两个命令
yum install telnet-server # 安装telnet服务
yum install telnet.* # 安装telnet客户端
如果提示telnet: connect to address ::1: Connection refused
执行以下命令
yum -y install telnet
再次运行后输入srvr
Trying ::1… Connected to localhost.
Escape character is ‘^]’.
srvr
Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT
Latency min/avg/max: 0/0/0
Received: 1
Sent: 0
Connections: 1
Outstanding: 0
Zxid: 0x0
Mode: standalone
Node count: 4 Connection
closed by foreign host.
zookeeper安装完毕,谢谢大家!
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