我是靠谱客的博主 顺心咖啡豆,这篇文章主要介绍五、申请阿里云服务器及搭建Java开发环境教程 -- 安装ZooKeeper(5),现在分享给大家,希望可以做个参考。

注:云服务器开发环境如下

   (CentOS + JDK1.7 +  Mysql + ZooKeeper + Redis + Nginx + maven中央库Nexus)

三、linux 下安装Zookeeper  (本文采用手动安装,并非yum安装)


1、创建 /usr/local/services/zookeeper 文件夹:

mkdir -p /usr/local/services/zookeeper

2、进入到 /usr/local/services/zookeeper 目录中:
cd /usr/local/services/zookeeper

3、下载 zookeeper-3.4.9.tar.gz:
wget https://archive.apache.org/dist/zookeeper/zookeeper-3.4.9/zookeeper-3.4.9.tar.gz

4、解压缩 zookeeper-3.4.9.tar.gz:
tar -zxvf zookeeper-3.4.9.tar.gz

5、进入到 /usr/local/services/zookeeper/zookeeper-3.4.9/conf 目录中:
cd zookeeper-3.4.9/conf/

6、复制 zoo_sample.cfg 文件的并命名为为 zoo.cfg:
cp zoo_sample.cfg zoo.cfg

7、用 vim 打开 zoo.cfg 文件并修改其内容为如下:
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# The number of milliseconds of each tick # zookeeper 定义的基准时间间隔,单位:毫秒 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=/tmp/zookeeper # 数据文件夹 dataDir=/usr/local/services/zookeeper/zookeeper-3.4.9/data # 日志文件夹 dataLogDir=/usr/local/services/zookeeper/zookeeper-3.4.9/logs # the port at which the clients will connect # 客户端访问 zookeeper 的端口号 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
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8、保存并关闭 zoo.cfg 文件:

9、进入到 /usr/local/services/zookeeper/zookeeper-3.4.9/bin 目录中:
cd ../bin/

10、用 vim 打开 /etc/ 目录下的配置文件 profile:
vim /etc/profile
并在其尾部追加如下内容:

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#idea - zookeeper-3.4.9 config start - 2017-12-09 export ZOOKEEPER_HOME=/usr/local/services/zookeeper/zookeeper-3.4.9/ export PATH=$ZOOKEEPER_HOME/bin:$PATH export PATH #idea - zookeeper-3.4.9 config end - 2017-12-09

11、使 /etc/ 目录下的 profile 文件即可生效:
source /etc/profile

12、启动 zookeeper 服务:

 进入bin目录,

zkServer.sh start 如打印如下信息则表明启动成功:
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED

13、查询 zookeeper 状态:
zkServer.sh status

14、关闭 zookeeper 服务:
zkServer.sh stop
如打印如下信息则表明成功关闭:
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED

15、重启 zookeeper 服务:
zkServer.sh restart
如打印如下信息则表明重启成功:
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED
ZooKeeper JMX enabled by default
Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg

Starting zookeeper ... STARTED

实际操作如下:

最后

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