ZooKeeper安装
前提：需要Linux服务器（或者在虚拟机中安装），使用FTP连接工具XShell连接。
下载
官方提供多个地址，自选一个速度快的，下载并解压到指定目录
$ wget http://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.4.10/zookeeper-3.4.10.tar.gz
$ tar -zxvf zookeeper-3.4.10.tar.gz -C /usr/local
配置
dataDir目录需改成你真实输出目录
$ cd /usr/local/zookeeper-3.4.10 $ cp conf/zoo_sample.cfg conf/zoo.cfg $ vi conf/zoo.cfg
# 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=/home/sunil/soft/zookeeper # the port at which the clients will connect 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
启动
$ bin/zkServer.sh start
启动成功信息
ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper-3.4.10/bin/../conf/zoo.cfg Starting zookeeper ... STARTED
连接
bash zkCli.sh -server 127.0.0.1:2181
成功信息
Connecting to 127.0.0.1:2181 2017-04-17 16:20:53,084 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f, built on 03/23/2017 10:13 GMT 2017-04-17 16:20:53,106 [myid:] - INFO [main:Environment@100] - Client environment:host.name=ubuntu 2017-04-17 16:20:53,106 [myid:] - INFO [main:Environment@100] - Client environment:java.version=1.8.0_74 2017-04-17 16:20:53,108 [myid:] - INFO [main:Environment@100] - Client environment:java.vendor=Oracle Corporation 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:java.home=/usr/lib/jdk/jdk1.8.0_74/jre 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:java.class.path=/usr/local/zookeeper-3.4.10/bin/../build/classes:/usr/local/zookeeper-3.4.10/bin/../build/lib/*.jar:/usr/local/zookeeper-3.4.10/bin/../lib/slf4j-log4j12-1.6.1.jar:/usr/local/zookeeper-3.4.10/bin/../lib/slf4j-api-1.6.1.jar:/usr/local/zookeeper-3.4.10/bin/../lib/netty-3.10.5.Final.jar:/usr/local/zookeeper-3.4.10/bin/../lib/log4j-1.2.16.jar:/usr/local/zookeeper-3.4.10/bin/../lib/jline-0.9.94.jar:/usr/local/zookeeper-3.4.10/bin/../zookeeper-3.4.10.jar:/usr/local/zookeeper-3.4.10/bin/../src/java/lib/*.jar:/usr/local/zookeeper-3.4.10/bin/../conf:.:/usr/lib/jdk/jdk1.8.0_74/lib/dt.jar:/usr/lib/jdk/jdk1.8.0_74/lib/tools.jar 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:java.io.tmpdir=/tmp 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:java.compiler=<NA> 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:os.name=Linux 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:os.arch=amd64 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:os.version=4.4.0-62-generic 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:user.name=root 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:user.home=/root 2017-04-17 16:20:53,109 [myid:] - INFO [main:Environment@100] - Client environment:user.dir=/usr/local/zookeeper-3.4.10/bin 2017-04-17 16:20:53,111 [myid:] - INFO [main:ZooKeeper@438] - Initiating client connection, connectString=127.0.0.1:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@69d0a921 Welcome to ZooKeeper! 2017-04-17 16:20:53,137 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1032] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) JLine support is enabled 2017-04-17 16:20:53,265 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@876] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session 2017-04-17 16:20:53,348 [myid:] - INFO [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1299] - Session establishment complete on server 127.0.0.1/127.0.0.1:2181, sessionid = 0x15b7afd80e80000, negotiated timeout = 30000 WATCHER:: WatchedEvent state:SyncConnected type:None path:null
[zk: 127.0.0.1:2181(CONNECTED) 0]
问题
zkCli.sh: command not found
解决
JAVA_HOME is not set.
原配置针对个人用户，需要提升到系统配置
在/etc/profile添加配置即可。
