ZooKeeper 安装部署
一、解压
tar -zxvf zookeeper-3.3.5.tar.gz
二、将zookeeper-3.3.4/conf目录下面的 zoo_sample.cfg修改为zoo.cfg，配置文件内容如下所示：
tickTime= #该参数用来定义心跳的间隔时间，zookeeper的客户端和服务端之间也有和web开发里类似的session的概念，而zookeeper里最小的session过期时间就是tickTime的两倍。
dataDir=/home/hadoop/storage/zookeeper #为存储在内存中的数据库快照功能
clientPort= #是监听客户端连接的端口号。
initLimit= #是指follower连接并同步到leader的初始化连接，它是通过tickTime的倍数表示，例如我们上面的配置就是10倍的tickTime，当初始化连接时间超过设置的倍数时候则连接失败。
syncLimit= #是指follower和leader之间发送消息时请求和应答的时间长度，如果follower在设置的时间范围内不能和leader通信，那么该follower将会被丢弃，它也是按tickTime的倍数进行设置的。
三、下面启动ZooKeeper服务器进程：
cd zookeeper-3.3./
bin/zkServer.sh start
四、在客户端连接ZooKeeper服务器，执行如下命令：
bin/zkCli.sh -server dynamic:
上面dynamic是我的主机名，如果在本机执行，则执行如下命令即可：
bin/zkCli.sh
五、客户端连接信息如下所示：
hadoop@master:~/installation/zookeeper-3.3.$ bin/zkCli.sh -server dynamic:
Connecting to dynamic:
-- ::, - INFO [main:Environment@] - Client environment:zookeeper.version=3.3.-, built on // : GMT
-- ::, - INFO [main:Environment@] - Client environment:host.name=master
-- ::, - INFO [main:Environment@] - Client environment:java.version=1.6.0_30
-- ::, - INFO [main:Environment@] - Client environment:java.vendor=Sun Microsystems Inc.
-- ::, - INFO [main:Environment@] - Client environment:java.home=/home/hadoop/installation/jdk1..0_30/jre
-- ::, - INFO [main:Environment@] - Client environment:java.class.path=/home/hadoop/installation/zookeeper-3.3./bin/../build/classes:/home/hadoop/installation/zookeeper-3.3./bin/../build/lib/*.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../zookeeper-3.3.4.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/log4j-1.2.15.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/jline-0.9.94.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-lang-2.4.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-collections-3.2.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-cli-1.1.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/apache-rat-tasks-0.6.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/apache-rat-core-0.6.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../src/java/lib/*.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../conf:/home/hadoop/installation/jdk1.6.0_30/lib/*.jar:/home/hadoop/installation/jdk1.6.0_30/jre/lib/*.jar
2012-01-08 21:30:06,206 - INFO [main:Environment@97] - Client environment:java.library.path=/home/hadoop/installation/jdk1.6.0_30/jre/lib/i386/client:/home/hadoop/installation/jdk1.6.0_30/jre/lib/i386:/home/hadoop/installation/jdk1.6.0_30/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
2012-01-08 21:30:06,213 - INFO [main:Environment@97] - Client environment:java.io.tmpdir=/tmp
2012-01-08 21:30:06,216 - INFO [main:Environment@97] - Client environment:java.compiler=<NA>
2012-01-08 21:30:06,235 - INFO [main:Environment@97] - Client environment:os.name=Linux
2012-01-08 21:30:06,244 - INFO [main:Environment@97] - Client environment:os.arch=i386
2012-01-08 21:30:06,246 - INFO [main:Environment@97] - Client environment:os.version=3.0.0-14-generic
2012-01-08 21:30:06,251 - INFO [main:Environment@97] - Client environment:user.name=hadoop
2012-01-08 21:30:06,254 - INFO [main:Environment@97] - Client environment:user.home=/home/hadoop
2012-01-08 21:30:06,255 - INFO [main:Environment@97] - Client environment:user.dir=/home/hadoop/installation/zookeeper-3.3.4
2012-01-08 21:30:06,264 - INFO [main:ZooKeeper@379] - Initiating client connection, connectString=dynamic:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@bf32c
2012-01-08 21:30:06,339 - INFO [main-SendThread():ClientCnxn$SendThread@1061] - Opening socket connection to server dynamic/192.168.0.107:2181
Welcome to ZooKeeper!
2012-01-08 21:30:06,397 - INFO [main-SendThread(dynamic:2181):ClientCnxn$SendThread@950] - Socket connection established to dynamic/192.168.0.107:2181, initiating session
JLine support is enabled
2012-01-08 21:30:06,492 - INFO [main-SendThread(dynamic:2181):ClientCnxn$SendThread@739] - Session establishment complete on server dynamic/192.168.0.107:2181, sessionid = 0x134b9b714f9000c, negotiated timeout = 30000 WATCHER:: WatchedEvent state:SyncConnected type:None path:null
[zk: dynamic:2181(CONNECTED) 0]
六、集群配置
1、hosts文件如下：
192.168.0.179 slave-
192.168.0.178 slave-
192.168.0.177 slave-
2、在其中一台机器（slave-01）上，解压缩zookeeper-3.3.4.tar.gz，修改配置文件conf/zoo.cfg，内容如下所示：
tickTime=
dataDir=/home/hadoop/storage/zookeeper
clientPort=
initLimit=
syncLimit=
server.=slave-::
server.=slave-::
server.=slave-::
是用于进行leader选举的端口，是zookeeper集群里各个机器之间的通信接口。
3、远程复制分发安装文件
上面已经在一台机器slave-01上配置完成ZooKeeper，现在可以将该配置好的安装文件远程拷贝到集群中的各个结点对应的conf/目录下。
4、设置myid
hadoop@slave-:~/installation/zookeeper-3.3.$ echo "" > /home/hadoop/storage/zookeeper/myid
hadoop@slave-:~/installation/zookeeper-3.3.$ echo "" > /home/hadoop/storage/zookeeper/myid
hadoop@slave-:~/installation/zookeeper-3.3.$ echo "" > /home/hadoop/storage/zookeeper/myid
5、启动ZooKeeper集群
在ZooKeeper集群的每个结点上，执行启动ZooKeeper服务的脚本，如下所示：
hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkServer.sh start
hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkServer.sh start
hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkServer.sh start
以结点slave-01为例，日志如下所示：
hadoop@slave-:~/installation/zookeeper-3.3.$ tail -500f zookeeper.out
-- ::, - INFO [main:QuorumPeerConfig@] - Reading configuration from: /home/hadoop/installation/zookeeper-3.3./bin/../conf/zoo.cfg
-- ::, - INFO [main:QuorumPeerConfig@] - Defaulting to majority quorums
-- ::, - INFO [main:QuorumPeerMain@] - Starting quorum peer
-- ::, - INFO [main:NIOServerCnxn$Factory@] - binding to port 0.0.0.0/0.0.0.0:
-- ::, - INFO [main:QuorumPeer@] - tickTime set to
-- ::, - INFO [main:QuorumPeer@] - minSessionTimeout set to -
-- ::, - INFO [main:QuorumPeer@] - maxSessionTimeout set to -
-- ::, - INFO [main:QuorumPeer@] - initLimit set to
-- ::, - INFO [Thread-:QuorumCnxManager$Listener@] - My election bind port:
-- ::, - INFO [QuorumPeer:/:::::::::QuorumPeer@] - LOOKING
-- ::, - INFO [QuorumPeer:/:::::::::FastLeaderElection@] - New election. My id = , Proposed zxid =
-- ::, - INFO [WorkerReceiver Thread:FastLeaderElection@] - Notification: (n.leader), (n.zxid), (n.round), LOOKING (n.state), (n.sid), LOOKING (my state)
-- ::, - WARN [WorkerSender Thread:QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.178:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:)
at java.lang.Thread.run(Thread.java:)
-- ::, - WARN [WorkerSender Thread:QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.177:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:)
at java.lang.Thread.run(Thread.java:)
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.178:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.177:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - INFO [QuorumPeer:/:::::::::FastLeaderElection@] - Notification time out:
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.178:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.177:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - INFO [QuorumPeer:/:::::::::FastLeaderElection@] - Notification time out:
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.178:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.177:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - INFO [QuorumPeer:/:::::::::FastLeaderElection@] - Notification time out:
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.178:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - WARN [QuorumPeer:/:::::::::QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.177:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:)
-- ::, - INFO [QuorumPeer:/:::::::::FastLeaderElection@] - Notification time out:
-- ::, - INFO [WorkerReceiver Thread:FastLeaderElection@] - Notification: (n.leader), (n.zxid), (n.round), LOOKING (n.state), (n.sid), LOOKING (my state)
-- ::, - INFO [QuorumPeer:/:::::::::FastLeaderElection@] - Updating proposal
-- ::, - WARN [WorkerSender Thread:QuorumCnxManager@] - Cannot open channel to at election address slave-/192.168.0.177:
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:)
at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:)
at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:)
at java.lang.Thread.run(Thread.java:)
-- ::, - INFO [WorkerReceiver Thread:FastLeaderElection@] - Notification: (n.leader), (n.zxid), (n.round), LOOKING (n.state), (n.sid), LOOKING (my state)
-- ::, - INFO [QuorumPeer:/:::::::::QuorumPeer@] - FOLLOWING
-- ::, - INFO [QuorumPeer:/:::::::::Learner@] - TCP NoDelay set to: true
-- ::, - INFO [QuorumPeer:/:::::::::Environment@] - Server environment:zookeeper.version=3.3.-, built on // : GMT
-- ::, - INFO [QuorumPeer:/:::::::::Environment@] - Server environment:host.name=slave-
-- ::, - INFO [QuorumPeer:/:::::::::Environment@] - Server environment:java.version=1.6.0_30
-- ::, - INFO [QuorumPeer:/:::::::::Environment@] - Server environment:java.vendor=Sun Microsystems Inc.
-- ::, - INFO [QuorumPeer:/:::::::::Environment@] - Server environment:java.home=/home/hadoop/installation/jdk1..0_30/jre
-- ::, - INFO [QuorumPeer:/:::::::::Environment@] - Server environment:java.class.path=/home/hadoop/installation/zookeeper-3.3./bin/../build/classes:/home/hadoop/installation/zookeeper-3.3./bin/../build/lib/*.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../zookeeper-3.3.4.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/log4j-1.2.15.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/jline-0.9.94.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-lang-2.4.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-collections-3.2.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-cli-1.1.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/apache-rat-tasks-0.6.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/apache-rat-core-0.6.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../src/java/lib/*.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../conf:/home/hadoop/installation/jdk1.6.0_30/lib/*.jar:/home/hadoop/installation/jdk1.6.0_30/jre/lib/*.jar
2012-01-08 06:51:23,210 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:java.library.path=/home/hadoop/installation/jdk1.6.0_30/jre/lib/i386/client:/home/hadoop/installation/jdk1.6.0_30/jre/lib/i386:/home/hadoop/installation/jdk1.6.0_30/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
2012-01-08 06:51:23,210 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:java.io.tmpdir=/tmp
2012-01-08 06:51:23,212 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:java.compiler=<NA>
2012-01-08 06:51:23,212 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:os.name=Linux
2012-01-08 06:51:23,212 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:os.arch=i386
2012-01-08 06:51:23,213 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:os.version=3.0.0-14-generic
2012-01-08 06:51:23,213 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:user.name=hadoop
2012-01-08 06:51:23,214 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:user.home=/home/hadoop
2012-01-08 06:51:23,214 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Environment@97] - Server environment:user.dir=/home/hadoop/installation/zookeeper-3.3.4
2012-01-08 06:51:23,223 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@151] - Created server with tickTime 2000 minSessionTimeout 4000 maxSessionTimeout 40000 datadir /home/hadoop/storage/zookeeper/version-2 snapdir /home/hadoop/storage/zookeeper/version-2
2012-01-08 06:51:23,339 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Learner@294] - Getting a snapshot from leader
2012-01-08 06:51:23,358 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:Learner@325] - Setting leader epoch 1
2012-01-08 06:51:23,358 - INFO [QuorumPeer:/0:0:0:0:0:0:0:0:2181:FileTxnSnapLog@254] - Snapshotting: 0
2012-01-08 06:51:25,511 - INFO [WorkerReceiver Thread:FastLeaderElection@496] - Notification: 3 (n.leader), 0 (n.zxid), 1 (n.round), LOOKING (n.state), 3 (n.sid), FOLLOWING (my state)
2012-01-08 06:51:42,584 - INFO [WorkerReceiver Thread:FastLeaderElection@496] - Notification: 3 (n.leader), 0 (n.zxid), 2 (n.round), LOOKING (n.state), 3 (n.sid), FOLLOWING (my state)
6、安装验证
可以通过ZooKeeper的脚本来查看启动状态，包括集群中各个结点的角色（或是Leader，或是Follower），如下所示，是在ZooKeeper集群中的每个结点上查询的结果：
hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkServer.sh status
JMX enabled by default
Using config: /home/hadoop/installation/zookeeper-3.3./bin/../conf/zoo.cfg
Mode: follower hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkServer.sh status
JMX enabled by default
Using config: /home/hadoop/installation/zookeeper-3.3./bin/../conf/zoo.cfg
Mode: leader hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkServer.sh status
JMX enabled by default
Using config: /home/hadoop/installation/zookeeper-3.3./bin/../conf/zoo.cfg
Mode: follower
7、另外，可以通过客户端脚本，连接到ZooKeeper集群上。对于客户端来说，ZooKeeper是一个整体（ensemble），连接到ZooKeeper集群实际上感觉在独享整个集群的服务，所以，你可以在任何一个结点上建立到服务集群的连接，例如：
hadoop@slave-:~/installation/zookeeper-3.3.$ bin/zkCli.sh -server slave-:
Connecting to slave-:
-- ::, - INFO [main:Environment@] - Client environment:zookeeper.version=3.3.-, built on // : GMT
-- ::, - INFO [main:Environment@] - Client environment:host.name=slave-
-- ::, - INFO [main:Environment@] - Client environment:java.version=1.6.0_30
-- ::, - INFO [main:Environment@] - Client environment:java.vendor=Sun Microsystems Inc.
-- ::, - INFO [main:Environment@] - Client environment:java.home=/home/hadoop/installation/jdk1..0_30/jre
-- ::, - INFO [main:Environment@] - Client environment:java.class.path=/home/hadoop/installation/zookeeper-3.3./bin/../build/classes:/home/hadoop/installation/zookeeper-3.3./bin/../build/lib/*.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../zookeeper-3.3.4.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/log4j-1.2.15.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/jline-0.9.94.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-lang-2.4.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-collections-3.2.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/commons-cli-1.1.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/apache-rat-tasks-0.6.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../lib/apache-rat-core-0.6.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../src/java/lib/*.jar:/home/hadoop/installation/zookeeper-3.3.4/bin/../conf:/home/hadoop/installation/jdk1.6.0_30/lib/*.jar:/home/hadoop/installation/jdk1.6.0_30/jre/lib/*.jar
2012-01-08 07:14:21,111 - INFO [main:Environment@97] - Client environment:java.library.path=/home/hadoop/installation/jdk1.6.0_30/jre/lib/i386/client:/home/hadoop/installation/jdk1.6.0_30/jre/lib/i386:/home/hadoop/installation/jdk1.6.0_30/jre/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib
2012-01-08 07:14:21,116 - INFO [main:Environment@97] - Client environment:java.io.tmpdir=/tmp
2012-01-08 07:14:21,124 - INFO [main:Environment@97] - Client environment:java.compiler=<NA>
2012-01-08 07:14:21,169 - INFO [main:Environment@97] - Client environment:os.name=Linux
2012-01-08 07:14:21,175 - INFO [main:Environment@97] - Client environment:os.arch=i386
2012-01-08 07:14:21,177 - INFO [main:Environment@97] - Client environment:os.version=3.0.0-14-generic
2012-01-08 07:14:21,185 - INFO [main:Environment@97] - Client environment:user.name=hadoop
2012-01-08 07:14:21,188 - INFO [main:Environment@97] - Client environment:user.home=/home/hadoop
2012-01-08 07:14:21,190 - INFO [main:Environment@97] - Client environment:user.dir=/home/hadoop/installation/zookeeper-3.3.4
2012-01-08 07:14:21,197 - INFO [main:ZooKeeper@379] - Initiating client connection, connectString=slave-01:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@bf32c
2012-01-08 07:14:21,305 - INFO [main-SendThread():ClientCnxn$SendThread@1061] - Opening socket connection to server slave-01/192.168.0.179:2181
Welcome to ZooKeeper!
2012-01-08 07:14:21,376 - INFO [main-SendThread(slave-01:2181):ClientCnxn$SendThread@950] - Socket connection established to slave-01/192.168.0.179:2181, initiating session
JLine support is enabled
[zk: slave-01:2181(CONNECTING) 0] 2012-01-08 07:14:21,872 - INFO [main-SendThread(slave-01:2181):ClientCnxn$SendThread@739] - Session establishment complete on server slave-01/192.168.0.179:2181, sessionid = 0x134bdcd6b730000, negotiated timeout = 30000 WATCHER:: WatchedEvent state:SyncConnected type:None path:null [zk: slave-01:2181(CONNECTED) 0] ls /
[zookeeper]
ZooKeeper 安装部署的更多相关文章
- ZooKeeper 安装部署及hello world（转）
ZooKeeper 安装部署及hello world 先给一堆学习文档,方便以后查看官网文档地址大全:OverView(概述)http://zookeeper.apache.org/doc/r3.4 ...
- ZooKeeper 安装部署及hello world
ZooKeeper 安装部署及hello world 先给一堆学习文档,方便以后查看官网文档地址大全: OverView(概述)http://zookeeper.apache.org/doc/r3. ...
- Zookeeper安装部署
Zookeeper安装 1. 安装 wget http://www.apache.org/dist//zookeeper/zookeeper-3.3.6/zookeeper-3.3.6.tar.gz ...
- ZooKeeper安装,部署
实验环境 192.168.1.10 Zookeeper1:2181, Zookeeper2:2182 192.168.1.11 ZooKeeper3:2181 依赖环境 JDK1.7 安装,配置 1. ...
- windows下dubbo-admin和zookeeper安装部署
1. 概述 ZooKeeper是Hadoop的正式子项目,它是一个针对大型分布式系统的可靠协调系统,提供的功能包括:配置维护.名字服务.分布式同步.组服务等.ZooKeeper的目标就是封装好复杂 ...
- kafka和zookeeper安装部署(版本弄不好就是坑)
yum install -y unzip zip 配置host vi /etc/host172.19.68.10 zk1 1. zookeeper zookeeper下载地址 http://mirro ...
- zookeeper安装部署步骤
安装步骤 本安装教程,采用zookeeper 3.6.1 装java 下载zk包,分发到各个机器 确定或创建一个zookeeper的数据存放路径,并在该路径下创建一个myid文件,其中设置当前zook ...
- 161209、简要分析ZooKeeper基本原理及安装部署
一.ZooKeeper 基本概念 1.ZooKeeper 是什么? Zookeeper官网地址: http://zookeeper.apache.org/ Zookeeper官网文档地址:http:/ ...
- zookeeper与kafka安装部署及java环境搭建(发布订阅模式)
1. ZooKeeper安装部署 本文在一台机器上模拟3个zk server的集群安装. 1.1. 创建目录.解压 cd /usr/ #创建项目目录 mkdir zookeeper cd zookee ...
随机推荐
- Javascript基础系列之（六）循环语句（do while循环）
do/while 循环是 while 循环的变体.该循环会执行一次代码块,在检查条件是否为真之前,然后如果条件为真的话,就会重复这个循环. 语法结构如下 do { statement } while ...
- javascript-XMLHttpRequest
JS方法: var xmlhttp;//一定注意是写在外面的全局变量,我调了一个上午才发现. function verify(){ //使用dom方式获取文本框中的值 var userName=doc ...
- 输入年月，输出月份有几天（分别用了if——else和switch）
首先是switch做的 class Program { static void Main(string[] args) {/* 题目要求:请用户输入年份,输入月份,输出该月的天数. 思路:一年中月份的 ...
- Luncene 学习入门
Lucene是apache组织的一个用java实现全文搜索引擎的开源项目. 其功能非常的强大,api也很简单.总得来说用Lucene来进行建立 和搜索和操作数据库是差不多的(有点像),Document ...
- JAVA运行java程序
程序代码: public class f{ public static void main(String[] args){ String foo1 = args[1]; String foo2 = a ...
- CSS3媒体查询
随着响应式设计模型的诞生,Web网站又要发生翻天腹地的改革浪潮,可能有些人会觉得在国内IE6用户居高不下的情况下,这些新的技术还不会广泛的蔓延下去,那你就错了,如今淘宝,凡客,携程等等公司都已经在大胆 ...
- 【HDU 2955】Robberies（DP）
题意是给你抢劫每个银行可获得的钱m和被抓的概率p,求被抓的概率小于P,最多能抢多少钱.01背包问题,体积是m,价值是p.被抓的概率不是简单相加,而应该是1−Π(1−p[i])DP:dp[i]表示抢到i ...
- Day5_作业
ATM作业:1.额度15000或自定义2.实现购物商城,买东西加入购物车,调用信用卡接口结账3.可以提现,手续费5%4.每月22号出账单,每月10号为还款日,过期未还,按欠款总额万分之5每日计息5. ...
- SpringMVC配置数据库连接池
http://www.cnblogs.com/coqn/archive/2012/08/15/SpringMvc%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA%E9%85%8 ...
- 抓包利器Fiddler
1).Fiddler安装 a.下载地址: http://fiddler2.com/get-fiddler b.安装:省略(下一步...下一步即可) 2).Fiddler配置 a.允许远程计算机连接Fi ...