zookeeper

主要内容

zookeeper 安装

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单机安装

计划zookeeper安装路径为 /data/zookeeper , 以 apache-zookeeper-3.6.3 为例。

解压缩

tar xvf apache-zookeeper-3.6.3-bin.tar.gz -C /data
cd /data
mv apache-zookeeper-3.6.3-bin zookeeper

配置文件

cd /data/zookeeper/conf
cp zoo_sample.cfg zoo.cfg

zoo.cfg 内容如下，admin.serverPort 根据实际情况修改， 默认会 占用8081

# 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/zookeeper/data
# the port at which the clients will connect
clientPort=12181
admin.serverPort=12180

# 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

## Metrics Providers
#
# https://prometheus.io Metrics Exporter
#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
#metricsProvider.httpPort=7000
#metricsProvider.exportJvmInfo=true

systemctl 服务

• 脚本
  vim /usr/lib/systemd/system/zookeeper.service
  zookeeper.service 内容如下：

  [Unit]
  Description=Zookeeper Service unit Configuration
  After=network.target
  
  [Service]
  Type=forking
  ExecStart=/data/zookeeper/bin/zkServer.sh start 
  ExecStop=/data/zookeeper/bin/zkServer.sh stop
  PIDFile=/data/zookeeper/data/zookeeper_server.pid
  
  Restart=on-failure
  [Install]
  WantedBy=multi-user.target

• 执行以下命令重载unit配置文件

  systemctl daemon-reload

• 开机启动

  systemctl enable zookeeper
  systemctl start zookeeper