Linux~ZooKeeper安装教程

发布时间:2024-11-21 04:35

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以下是Linux安装Zookeeper的教程: 1. 下载Zookeeper 首先,你需要从官方网站下载Zookeeper的二进制文件。你可以在这里找到最新版本的Zookeeper:https://zookeeper.apache.org/releases.html 2. 解压缩Zookeeper 下载完成后,你需要将Zookeeper解压缩到你的Linux系统中。你可以使用以下命令将Zookeeper解压缩到/opt目录下: ``` tar -zxf zookeeper-3.4.14.tar.gz -C /opt ``` 3. 配置Zookeeper 接下来,你需要配置Zookeeper。你可以在Zookeeper的conf目录下找到一个名为zoo_sample.cfg的示例配置文件。你需要将它复制一份,并将其命名为zoo.cfg: ``` cd /opt/zookeeper-3.4.14/conf cp zoo_sample.cfg zoo.cfg ``` 然后,你需要编辑zoo.cfg文件,以便将Zookeeper配置为使用单个节点模式。你可以使用以下命令打开zoo.cfg文件: ``` vi zoo.cfg ``` 在文件中,你需要找到以下行: ``` # The number of milliseconds of each tick tickTime=200 # 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 # the port at which the clients will connect clientPort=2181 ``` 你需要将这些行修改为以下内容: ``` # The number of milliseconds of each tick tickTime=200 # The number of ticks that the initial # synchronization phase can take initLimit=5 # The number of ticks that can pass between # sending a request and getting an acknowledgement syncLimit=2 # the directory where the snapshot is stored. # do not use /tmp for storage, /tmp here is just # example sakes. dataDir=/opt/zookeeper-3.4.14/data # the directory where the transaction log is stored. dataLogDir=/opt/zookeeper-3.4.14/logs # the port at which the clients will connect clientPort=2181 # disable the per-ip limit on the number of connections since this is a single-node setup maxClientCnxns= ``` 4. 启动Zookeeper 现在,你可以启动Zookeeper了。你可以使用以下命令启动Zookeeper: ``` cd /opt/zookeeper-3.4.14/bin ./zkServer.sh start ``` 你可以使用以下命令检查Zookeeper是否已经启动: ``` ./zkServer.sh status ``` 如果一切正常,你应该会看到以下输出: ``` Mode: standalone ``` 5. 测试Zookeeper 现在,你可以测试Zookeeper是否正常工作了。你可以使用以下命令连接到Zookeeper: ``` ./zkCli.sh -server 127...1:2181 ``` 如果一切正常,你应该会看到以下输出: ``` Connecting to 127...1:2181 Welcome to ZooKeeper! JLine support is disabled WATCHER:: WatchedEvent state:SyncConnected type:None path:null [zk: 127...1:2181(CONNECTED) ] ``` 现在,你可以在Zookeeper中创建一个节点。你可以使用以下命令创建一个名为/test的节点: ``` create /test mydata ``` 如果一切正常,你应该会看到以下输出: ``` Created /test ``` 现在,你可以使用以下命令获取/test节点的数据: ``` get /test ``` 如果一切正常,你应该会看到以下输出: ``` mydata cZxid = x ctime = Thu Jan 01 00:00:00 UTC 197 mZxid = x mtime = Thu Jan 01 00:00:00 UTC 197 pZxid = x1 cversion = dataVersion = aclVersion = ephemeralOwner = x dataLength = 6 numChildren = ``` 恭喜你,你已经成功安装和配置了Zookeeper!

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