目录一. 服务器规划二. 集群部署1. 配置1.1 创建宿主机映射目录1.2. 创建配置文件(3台zk节点配置文件一样)1.3. 配置ZooKeeper主机id,每个机器id不能相同
主机 | IP | 端口 | 备注 |
b-mid-24 | 172.16.0.24 | 2181, 2888, 3888 | 2181:对cline端提供服务 3888:选举leader使用 2888:集群内机器通讯使用(Leader监听此端口) |
b-mid-25 | 172.16.0.25 | 2181, 2888, 3888 | |
b-mid-26 | 172.16.0.26 | 2181, 2888, 3888 |
注:以下步骤需要分别在三台主机操作
mkdir /data/Docker/zookeeper-home/{conf,data,logs,datalog} -p
vi /data/docker/zookeeper-home/conf/zoo.cfg :
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just
# example sakes.
dataDir=/data
dataLogDir=/datalog
# the port at which the clients will connect
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.24=172.16.0.24:2888:3888
server.25=172.16.0.25:2888:3888
server.26=172.16.0.26:2888:3888
echo "24" > /data/docker/zookeeper-home/data/myid
echo "25" > /data/docker/zookeeper-home/data/myid
echo "26" > /data/docker/zookeeper-home/data/myid
chown -R yunwei:yunwei /data/docker/zookeeper-home
firewall-cmd --permanent --add-port=2181/tcp
firewall-cmd --permanent --add-port=2888/tcp
firewall-cmd --permanent --add-port=3888/tcp
firewall-cmd --reload
firewall-cmd --list-all
拉取镜像:
docker pull zookeeper:3.4.10
启动服务:
docker run -d \
--name zookeeper \
--network host \
--restart=unless-stopped \
-v /data/docker/zookeeper-home/data:/data \
-v /data/docker/zookeeper-home/conf:/conf \
-v /data/docker/zookeeper-home/datalog:/datalog \
-v /data/docker/zookeeper-home/logs:/logs \
-v /etc/localtime:/etc/localtime \
zookeeper:3.4.10
docker exec -it zookeeper bash
zkServer.sh status
echo mntr | nc 127.0.0.1 2181
zkCli.sh -server 127.0.0.1:2181
ls /
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