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04、Hadoop 入门:部署zookeeper

转载 作者:大佬之路 更新时间:2024-01-07 13:08:05 25 4
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1. 获取zookeeper

zookeeper3.6.3版本

2. 解压

tar -xvf apache-zookeeper-3.6.3-bin.tar -C /sjj/install/

3. 修改配置文件

  • 新建文件夹 mkdir -p /sjj/install/apache-zookeeper-3.6.3-bin/zkdatas
  • 进入conf目录 cd /sjj/install/apache-zookeeper-3.6.3-bin/conf
  • 拷贝文件 cp zoo_sample.cfg zoo.cfg
  • 编辑zoo.cfg文件 vim zoo.cfg

主要修改了dataDir,autopurge,以及末尾追加了三行

  1 The number of milliseconds of each tick
  2 tickTime=2000
  3 The number of ticks that the initial 
  4 synchronization phase can take
  5 initLimit=10
  6 The number of ticks that can pass between 
  7 sending a request and getting an acknowledgement
  8 syncLimit=5
  9 the directory where the snapshot is stored.
 10 do not use /tmp for storage, /tmp here is just 
 11 example sakes.
 12 dataDir=/sjj/install/apache-zookeeper-3.6.3-bin/zkdatas
 13 the port at which the clients will connect
 14 clientPort=2181
 15 the maximum number of client connections.
 16 increase this if you need to handle more clients
 17maxClientCnxns=60
 18
 19 Be sure to read the maintenance section of the 
 20 administrator guide before turning on autopurge.
 21
 22 http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
 23
 24 The number of snapshots to retain in dataDir
 25 autopurge.snapRetainCount=3
 26 Purge task interval in hours
 27 Set to "0" to disable auto purge feature
 28 autopurge.purgeInterval=1
 29 
 30 Metrics Providers
 31
 32 https://prometheus.io Metrics Exporter
 33metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
 34metricsProvider.httpPort=7000
 35metricsProvider.exportJvmInfo=true
 36 
 37 追加三行
 38 server.1=node001:2888:3888
 39 server.2=node002:2888:3888
 40 server.3=node003:2888:3888

4. 添加myid配置

cd/sjj/install/apache-zookeeper-3.6.3-bin/zkdatas
echo 1 > /sjj/install/apache-zookeeper-3.6.3-bin/zkdatas/myid

5. 安装包分发

scp -r /sjj/install/apache-zookeeper-3.6.3-bin/ node002:/sjj/install/
scp -r /sjj/install/apache-zookeeper-3.6.3-bin/ node003:/sjj/install/

6. 修改其余两台机器的myid

  • node002

echo 2 > /sjj/install/apache-zookeeper-3.6.3-bin/zkdatas/myid

  • node003

echo 3 > /sjj/install/apache-zookeeper-3.6.3-bin/zkdatas/myid

7. 配置环境变量(三台机器都需要

sudo vim /etc/profile

# zookeeper环境配置
export ZK_HOME=/sjj/install/apache-zookeeper-3.6.3-bin
export PATH=$PATH:$ZK_HOME/bin

source /etc/profile

7. 启动zookeeper服务

  • 启动 zkServer.sh start
  • 查看 zkServer.sh status
  • 停止 zkServer.sh stop

8. 注意

关闭必须先关zookeeper再关虚拟机最后关闭电脑,不然很容易出错

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