ZooKeeper安装

ZooKeeper安装

ZooKeeper单机安装

  • 官网下载地址

  • 环境

    • centos7
    • jdk8

  • 创建用户zookeeper

    # 创建用户组
groupadd zookeeper
# 创建用户
useradd -d /home/zookeeper -g zookeeper -G zookeeper -m zookeeper
# 创建密码
passwd zookeeper

  • 上传安装包并解压

    [zookeeper@iZuf62iexj3ztw81eg1cnoZ software]$ ll
total 35816
drwxr-xr-x 11 zookeeper zookeeper     4096 Mar  9 11:44 zookeeper-3.4.12
-rwxr-xr-x  1 zookeeper zookeeper 36667596 Mar  9 11:43 zookeeper-3.4.12.tar.gz
[zookeeper@iZuf62iexj3ztw81eg1cnoZ software]$

  • 修改配置文件

    # 进入配置目录
cd zookeeper-3.4.12/conf/
# 修改配置文件名
cp zoo_sample.cfg zoo.cfg
# 修改配置文件
vi zoo.cfg

    # The number of milliseconds of each tick
# tickTime：CS通信心跳数
# Zookeeper 服务器之间或客户端与服务器之间维持心跳的时间间隔，也就是每个 tickTime 时间就会发送一个心跳。tickTime以毫秒为单位。
tickTime=2000

# The number of ticks that the initial 
# synchronization phase can take
# initLimit：LF初始通信时限
# 集群中的follower服务器(F)与leader服务器(L)之间初始连接时能容忍的最多心跳数（tickTime的数量）。
initLimit=10

# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
# syncLimit：LF同步通信时限
# 集群中的follower服务器与leader服务器之间请求和应答之间能容忍的最多心跳数（tickTime的数量）。
syncLimit=5

# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
# dataDir：数据文件目录
# zookeeper保存数据的目录，默认情况下，Zookeeper将写数据的日志文件也保存在这个目录里。
dataDir=/home/zookeeper/software/zookeeper-3.4.12/data

# dataLogDir：日志文件目录
# zookeeper保存日志文件的目录。
dataLogDir=/home/zookeeper/software/zookeeper-3.4.12/logs

# the port at which the clients will connect
# clientPort：客户端连接端口
# 客户端连接 Zookeeper 服务器的端口，Zookeeper 会监听这个端口，接受客户端的访问请求。
clientPort=2181

# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1

  • 命令汇总

    # 启动命令
./bin/zkServer.sh start
# 停止命令
./bin/zkServer.sh stop　　
# 重启命令
./bin/zkServer.sh restart
# 状态查看命令
./bin/zkServer.sh status

ZooKeeper集群单机部署

  • 部署规划

    ip client端服务端口 zk通讯端口 zk选举端口
    127.0.0.1 2181 2887 3887
    127.0.0.1 2182 2888 3888
    127.0.0.1 2183 2889 3889

  • 官网下载地址

  • 环境

    • centos7
    • jdk8

  • 创建用户zookeeper

    # 创建用户组
groupadd zookeeper
# 创建用户
useradd -d /home/zookeeper -g zookeeper -G zookeeper -m zookeeper
# 创建密码
passwd zookeeper

  • 上传安装包并解压三份

    [zookeeper@iZuf62iexj3ztw81eg1cnoZ software]$ ll
total 35824
drwxr-xr-x 10 zookeeper zookeeper     4096 Mar 10 16:56 zk1
drwxr-xr-x 10 zookeeper zookeeper     4096 Mar 10 16:56 zk2
drwxr-xr-x 10 zookeeper zookeeper     4096 Mar 10 16:56 zk3
-rwxr-xr-x  1 zookeeper zookeeper 36667596 Mar  9 11:43 zookeeper-3.4.12.tar.gz
[zookeeper@iZuf62iexj3ztw81eg1cnoZ software]$

  • 创建myid文件

    # zk1服务器
mkdir zk1/data
cd zk1/data/

    [zookeeper@iZuf62iexj3ztw81eg1cnoZ data]$ pwd
/home/zookeeper/software/zk1/data
[zookeeper@iZuf62iexj3ztw81eg1cnoZ data]$

# 创建myid文件，并写入内容1
[zookeeper@iZuf62iexj3ztw81eg1cnoZ data]$ cat myid
1
[zookeeper@iZuf62iexj3ztw81eg1cnoZ data]$ 

# zk2, zk3服务器分别创建myid文件，分别写入2，3

  • 配置文件

    # 进入配置目录
cd zk1/conf/
# 修改配置文件名
cp zoo_sample.cfg zoo.cfg

    zk1-zoo.cfg

    # The number of milliseconds of each tick
# tickTime：CS通信心跳数
# Zookeeper 服务器之间或客户端与服务器之间维持心跳的时间间隔，也就是每个 tickTime 时间就会发送一个心跳。tickTime以毫秒为单位。
tickTime=2000

# The number of ticks that the initial 
# synchronization phase can take
# initLimit：LF初始通信时限
# 集群中的follower服务器(F)与leader服务器(L)之间初始连接时能容忍的最多心跳数（tickTime的数量）。
initLimit=10

# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
# syncLimit：LF同步通信时限
# 集群中的follower服务器与leader服务器之间请求和应答之间能容忍的最多心跳数（tickTime的数量）。
syncLimit=5

# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
# dataDir：数据文件目录
# zookeeper保存数据的目录，默认情况下，Zookeeper将写数据的日志文件也保存在这个目录里。
dataDir=/home/zookeeper/software/zk1/data
# dataLogDir：日志文件目录
# zookeeper保存日志文件的目录。
dataLogDir=/home/zookeeper/software/zk1/logs

# the port at which the clients will connect
# clientPort：客户端连接端口
# 客户端连接 Zookeeper 服务器的端口，Zookeeper 会监听这个端口，接受客户端的访问请求。
clientPort=2181

# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1
# server.myid文件中的值=ip:集群内部通讯地址:集群选举端口
server.1=127.0.0.1:2887:3887
server.2=127.0.0.1:2888:3888
server.3=127.0.0.1:2889:3889

    zk2-zoo.cfg

    # The number of milliseconds of each tick
# tickTime：CS通信心跳数
# Zookeeper 服务器之间或客户端与服务器之间维持心跳的时间间隔，也就是每个 tickTime 时间就会发送一个心跳。tickTime以毫秒为单位。
tickTime=2000

# The number of ticks that the initial 
# synchronization phase can take
# initLimit：LF初始通信时限
# 集群中的follower服务器(F)与leader服务器(L)之间初始连接时能容忍的最多心跳数（tickTime的数量）。
initLimit=10

# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
# syncLimit：LF同步通信时限
# 集群中的follower服务器与leader服务器之间请求和应答之间能容忍的最多心跳数（tickTime的数量）。
syncLimit=5

# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
# dataDir：数据文件目录
# zookeeper保存数据的目录，默认情况下，Zookeeper将写数据的日志文件也保存在这个目录里。
dataDir=/home/zookeeper/software/zk2/data
# dataLogDir：日志文件目录
# zookeeper保存日志文件的目录。
dataLogDir=/home/zookeeper/software/zk2/logs

# the port at which the clients will connect
# clientPort：客户端连接端口
# 客户端连接 Zookeeper 服务器的端口，Zookeeper 会监听这个端口，接受客户端的访问请求。
clientPort=2182

# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1
# server.myid文件中的值=ip:集群内部通讯地址:集群选举端口
server.1=127.0.0.1:2887:3887
server.2=127.0.0.1:2888:3888
server.3=127.0.0.1:2889:3889

    zk3-zoo.cfg

    # The number of milliseconds of each tick
# tickTime：CS通信心跳数
# Zookeeper 服务器之间或客户端与服务器之间维持心跳的时间间隔，也就是每个 tickTime 时间就会发送一个心跳。tickTime以毫秒为单位。
tickTime=2000

# The number of ticks that the initial 
# synchronization phase can take
# initLimit：LF初始通信时限
# 集群中的follower服务器(F)与leader服务器(L)之间初始连接时能容忍的最多心跳数（tickTime的数量）。
initLimit=10

# The number of ticks that can pass between 
# sending a request and getting an acknowledgement
# syncLimit：LF同步通信时限
# 集群中的follower服务器与leader服务器之间请求和应答之间能容忍的最多心跳数（tickTime的数量）。
syncLimit=5

# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just 
# example sakes.
# dataDir：数据文件目录
# zookeeper保存数据的目录，默认情况下，Zookeeper将写数据的日志文件也保存在这个目录里。
dataDir=/home/zookeeper/software/zk3/data
# dataLogDir：日志文件目录
# zookeeper保存日志文件的目录。
dataLogDir=/home/zookeeper/software/zk3/logs

# the port at which the clients will connect
# clientPort：客户端连接端口
# 客户端连接 Zookeeper 服务器的端口，Zookeeper 会监听这个端口，接受客户端的访问请求。
clientPort=2183

# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the 
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1
# server.myid文件中的值=ip:集群内部通讯地址:集群选举端口
server.1=127.0.0.1:2887:3887
server.2=127.0.0.1:2888:3888
server.3=127.0.0.1:2889:3889

  • 启动

    # zk1
/home/zookeeper/software/zk1/bin/zkServer.sh start
# zk2
/home/zookeeper/software/zk2/bin/zkServer.sh start
# zk3
/home/zookeeper/software/zk3/bin/zkServer.sh start

  • 查看状态

    # zk1
/home/zookeeper/software/zk1/bin/zkServer.sh status
----------------
ZooKeeper JMX enabled by default
Using config: /home/zookeeper/software/zk1/bin/../conf/zoo.cfg
Mode: follower
----------------
# zk2
/home/zookeeper/software/zk2/bin/zkServer.sh status
----------------
ZooKeeper JMX enabled by default
Using config: /home/zookeeper/software/zk2/bin/../conf/zoo.cfg
Mode: leader
----------------
# zk3
/home/zookeeper/software/zk3/bin/zkServer.sh status
----------------
ZooKeeper JMX enabled by default
Using config: /home/zookeeper/software/zk3/bin/../conf/zoo.cfg
Mode: follower
----------------

    ​

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