zookeeper集群安装

zookeeper集群安装

1. 从镜像下载zookeeper的地址 , 这个镜像可以自行选择，笔者选择的是稳定版（stable）

   wget https://mirrors.cnnic.cn/apache/zookeeper/stable/apache-zookeeper-3.6.3-bin.tar.gz
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2. 创建log，data目录在zookeeper目录下面，与bin目录平级

   [root@iZuf64fa3s2az73p556he0Z apache-zookeeper-3.6.3]# ll
    total 192
    drwxr-xr-x  2 1000 1000  4096 Nov  3 14:03 bin
    -rw-r--r--  1 1000 1000  2692 Apr  9  2021 checkstyle-simple.xml
    -rw-r--r--  1 1000 1000 17804 Apr  9  2021 checkstyle-strict.xml
    -rw-r--r--  1 1000 1000  1538 Apr  9  2021 checkstyleSuppressions.xml
    drwxr-xr-x  2 1000 1000  4096 Nov  3 14:41 conf
    drwxr-xr-x  5 root root  4096 Nov  3 14:26 data
    drwxr-xr-x  3 1000 1000  4096 Apr  9  2021 dev
    -rw-r--r--  1 1000 1000   347 Apr  9  2021 excludeFindBugsFilter.xml
    -rw-r--r--  1 1000 1000  2649 Apr  9  2021 Jenkinsfile
    -rw-r--r--  1 1000 1000  1776 Apr  9  2021 Jenkinsfile-owasp
    -rw-r--r--  1 1000 1000  1892 Apr  9  2021 Jenkinsfile-PreCommit
    -rw-r--r--  1 1000 1000 11358 Apr  9  2021 LICENSE.txt
    drwxr-xr-x  5 root root  4096 Nov  3 14:43 log
    -rw-r--r--  1 1000 1000   432 Apr  9  2021 NOTICE.txt
    -rw-r--r--  1 1000 1000  2019 Apr  9  2021 owaspSuppressions.xml
    -rwxr-xr-x  1 1000 1000 35189 Apr  9  2021 pom.xml
    -rw-r--r--  1 1000 1000  1963 Apr  9  2021 README.md
    -rw-r--r--  1 1000 1000  3166 Apr  9  2021 README_packaging.md
    -rw-r--r--  1 1000 1000 21474 Apr  9  2021 zk-merge-pr.py
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-assembly
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-client
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-compatibility-tests
    drwxr-xr-x 12 1000 1000  4096 Nov  3 14:03 zookeeper-contrib
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-docs
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-it
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-jute
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-metrics-providers
    drwxr-xr-x  5 1000 1000  4096 Nov  3 14:03 zookeeper-recipes
    drwxr-xr-x  3 1000 1000  4096 Nov  3 14:03 zookeeper-server
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3. 创建data/zoo/myid文件，里面信息为zookeeper的编号，

   [root@iZuf64fa3s2az73p556he0Z apache-zookeeper-3.6.3]# cd data
   [root@iZuf64fa3s2az73p556he0Z data]# ls
   zoo  zoo-2  zoo-3
   [root@iZuf64fa3s2az73p556he0Z data]# cd zoo
   [root@iZuf64fa3s2az73p556he0Z zoo]# ls
   myid
   [root@iZuf64fa3s2az73p556he0Z zoo]# cat myid 
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   [root@iZuf64fa3s2az73p556he0Z zoo]# 
   
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4. 创建zoo目录在log目录下面

   [root@iZuf64fa3s2az73p556he0Z apache-zookeeper-3.6.3]# cd log/
   [root@iZuf64fa3s2az73p556he0Z log]# ls
   zoo  zoo-2  zoo-3
   [root@iZuf64fa3s2az73p556he0Z log]# cd zoo
   [root@iZuf64fa3s2az73p556he0Z zoo]# pwd
   /usr/local/software/apache-zookeeper-3.6.3/log/zoo
   [root@iZuf64fa3s2az73p556he0Z zoo]# 
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5. 创建conf文件，在conf目录,文件名zoo.cfg，修改datadir和datalogdir路径

   # 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=/usr/local/apache-zookeeper-3.6.3/data/zoo
   dataLogDir=/usr/local/apache-zookeeper-3.6.3/log/zoo
   # the port at which the clients will connect
   clientPort=2181
   #nodelist
   server.1=zoo1:2888:3888
   server.2=zoo2:2888:3888
   server.3=zoo3:2888:3888
   
   # 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
   
   
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6. 笔者集群ip

   139.196.72.48 zoo1
   47.102.128.87 zoo2
   114.55.103.145 zoo3
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7 笔者启动之后报错了，

在logs目录下面看到具体的报错信息如下
翻找资料说是ip的端口

## 在zoo.cfg配置中添加
quorumListenOnAllIPs=true
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