ZooKeeper安装
ZooKeeper单机安装
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官网下载地址
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环境
- centos7
- jdk8
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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
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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
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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.cfgzk1-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=127.0.0.1:2889:3889zk2-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=127.0.0.1:2889:3889zk3-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 ----------------
