ZooKeeper伪分布式集群安装

来源：互联网发布：新歌声第二季网络战队编辑：程序博客网时间：2024/05/22 00:07

http://my.oschina.net/vbird/blog/384043

ZooKeeper伪分布式集群安装

伪分布式集群：在一台Server中，启动多个ZooKeeper的实例。

上传并解压安装包

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cd /usr
rz -by
tar xf zookeeper-3.4.6.tar.gz

创建实例配置文件

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cd zookeeper-3.4.6/conf
cp zoo_sample.cfg zoo1.cfg
cp zoo_sample.cfg zoo2.cfg
cp zoo_sample.cfg zoo3.cfg

修改配置文件

实例1的配置：

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vi zoo1.cfg
 
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/tmp/zookeeper/d_1
clientPort=2181
dataLogDir=/usr/zookeeper-3.4.6/logs_1
server.1=localhost:2887:3887
server.2=localhost:2888:3888
server.3=localhost:2889:3889

实例2的配置：

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vi zoo2.cfg
 
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/tmp/zookeeper/d_2
clientPort=2182
dataLogDir=/usr/zookeeper-3.4.6/logs_2
server.1=localhost:2887:3887
server.2=localhost:2888:3888
server.3=localhost:2889:3889

实例3的配置：

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vi zoo3.cfg
 
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/tmp/zookeeper/d_3
clientPort=2183
dataLogDir=/usr/zookeeper-3.4.6/logs_3
server.1=localhost:2887:3887
server.2=localhost:2888:3888
server.3=localhost:2889:3889

准备启动环境

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mkdir /tmp/zookeeper/d_1
mkdir /tmp/zookeeper/d_2
mkdir /tmp/zookeeper/d_3
 
mkdir /usr/zookeeper-3.4.6/logs_1
mkdir /usr/zookeeper-3.4.6/logs_2
mkdir /usr/zookeeper-3.4.6/logs_3
 
echo "1" > /tmp/zookeeper/d_1/myid
echo "2" > /tmp/zookeeper/d_2/myid
echo "3" > /tmp/zookeeper/d_3/myid

启动集群

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/usr/zookeeper-3.4.6/bin/zkServer.sh start zoo1.cfg
/usr/zookeeper-3.4.6/bin/zkServer.sh start zoo2.cfg
/usr/zookeeper-3.4.6/bin/zkServer.sh start zoo3.cfg

查看是否启动成功

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jps
 
#看到类似下面的进程就表示3个实例均启动成功
13419 QuorumPeerMain
13460 QuorumPeerMain
13561 Jps
13392 QuorumPeerMain
 
#如果未成功启动，可以到zookeeper.out文件中查看启动失败的日志信息。

查看节点状态

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[root@localhost ~]# /usr/zookeeper-3.4.6/bin/zkServer.sh status zoo1.cfg
JMX enabled by default
Using config: /usr/zookeeper-3.4.6/bin/../conf/zoo1.cfg
Mode: follower
[root@localhost ~]# /usr/zookeeper-3.4.6/bin/zkServer.sh status zoo2.cfg
JMX enabled by default
Using config: /usr/zookeeper-3.4.6/bin/../conf/zoo2.cfg
Mode: leader
[root@localhost ~]# /usr/zookeeper-3.4.6/bin/zkServer.sh status zoo3.cfg
JMX enabled by default
Using config: /usr/zookeeper-3.4.6/bin/../conf/zoo3.cfg
Mode: follower
 
#发现实例2为leader,实例1和实例3均为follower

至此，一个ZK的伪分布式集群搭建完毕。

-----------------------

测试：

$ bin/zkCli.sh -server localhost:2181

Connecting to localhost:21812016-01-22 15:26:20,870 - INFO [main:Environment@97] - Client environment:zookeeper.version=3.3.6-1366786, built on 07/29/2012 06:22 GMT
2016-01-22 15:26:20,873 - INFO [main:Environment@97] - Client environment:host.name=localhost
2016-01-22 15:26:20,874 - INFO [main:Environment@97] - Client environment:java.version=1.6.0_24
2016-01-22 15:26:20,874 - INFO [main:Environment@97] - Client environment:java.vendor=Sun Microsystems Inc.
2016-01-22 15:26:20,875 - INFO [main:Environment@97] - Client environment:java.home=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre
2016-01-22 15:26:20,876 - INFO [main:Environment@97] - Client environment:java.class.path=/usr/zookeeper-3.3.6/bin/../build/classes:/usr/zookeeper-3.3.6/bin/../build/lib/*.jar:/usr/zookeeper-3.3.6/bin/../zookeeper-3.3.6.jar:/usr/zookeeper-3.3.6/bin/../lib/log4j-1.2.15.jar:/usr/zookeeper-3.3.6/bin/../lib/jline-0.9.94.jar:/usr/zookeeper-3.3.6/bin/../src/java/lib/*.jar:/usr/zookeeper-3.3.6/bin/../conf:
2016-01-22 15:26:20,876 - INFO [main:Environment@97] - Client environment:java.library.path=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64/server:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
2016-01-22 15:26:20,877 - INFO [main:Environment@97] - Client environment:java.io.tmpdir=/tmp
2016-01-22 15:26:20,877 - INFO [main:Environment@97] - Client environment:java.compiler=<NA>
2016-01-22 15:26:20,878 - INFO [main:Environment@97] - Client environment:os.name=Linux
2016-01-22 15:26:20,878 - INFO [main:Environment@97] - Client environment:os.arch=amd64
2016-01-22 15:26:20,879 - INFO [main:Environment@97] - Client environment:os.version=2.6.32-220.13.1.el6.x86_64
2016-01-22 15:26:20,879 - INFO [main:Environment@97] - Client environment:user.name=root
2016-01-22 15:26:20,880 - INFO [main:Environment@97] - Client environment:user.home=/root
2016-01-22 15:26:20,880 - INFO [main:Environment@97] - Client environment:user.dir=/usr/zookeeper-3.3.6
2016-01-22 15:26:20,882 - INFO [main:ZooKeeper@379] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@a4a63d8
Welcome to ZooKeeper!
2016-01-22 15:26:20,906 - INFO [main-SendThread():ClientCnxn$SendThread@1058] - Opening socket connection to server localhost/127.0.0.1:2181
2016-01-22 15:26:20,970 - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@947] - Socket connection established to localhost/127.0.0.1:2181, initiating session
JLine support is enabled
[zk: localhost:2181(CONNECTING) 0] 2016-01-22 15:26:21,068 - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@736] - Session establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x1526831052b0000, negotiated timeout = 30000

WATCHER::

WatchedEvent state:SyncConnected type:None path:null

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