windows环境下搭建zookeeper伪集群
2017-07-04 14:25
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2.解压指定目录即可
3.在 \zookeeper-3.4.6\conf\ 新建三个配置文件
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=D:\\zookeeper\\data dataLogDir=D:\\zookeeper\\log # the port at which the clients will connect clientPort=2180 # the maximum number of client connections. # increase this if you need to handle more clients #maxClientCnxns=60
zoo1.cfg:
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tickTime=2000
initLimit=10
syncLimit=5
dataDir=E:\\tmp\\zookeeper\\data\\1
dataLogDir=E:\\tmp\\zookeeper\\log\\1
clientPort=2181
server.1=127.0.0.1:2887:3887
server.2=127.0.0.1:2888:3888
server.3=127.0.0.1:2889:3889
zoo2.cfg:
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tickTime=2000
initLimit=10
syncLimit=5
dataDir=E:\\tmp\\zookeeper\\data\\2
dataLogDir=E:\\tmp\\zookeeper\\log\\2
clientPort=2182
server.1=127.0.0.1:2887:3887
server.2=127.0.0.1:2888:3888
server.3=127.0.0.1:2889:3889
zoo3.cfg:
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tickTime=2000
initLimit=10
syncLimit=5
dataDir=E:\\tmp\\zookeeper\\data\\3
dataLogDir=E:\\tmp\\zookeeper\\log\\3
clientPort=2183
server.1=127.0.0.1:2887:3887
server.2=127.0.0.1:2888:3888
server.3=127.0.0.1:2889:3889
4.在 \zookeeper-3.4.6\bin\ 新建三个server
拷贝zkServer.cmd三份,分别命名zkServer-1.cmd,zkServer-2.cmd,zkServer-3.cmd;
打开这三个.cmd,在set ZOOMAIN=org.apache.zookeeper.server.quorum.QuorumPeerMain后面
添加一行,对应相应的配置文件:
set ZOOCFG=..\conf\zoo.cfg(zkServer.cmd添加)
set ZOOCFG=..\conf\zoo1.cfg(zkServer-1.cmd添加)
set ZOOCFG=..\conf\zoo2.cfg(zkServer-2.cmd添加)
set ZOOCFG=..\conf\zoo3.cfg(zkServer-3.cmd添加)
5.添加data和log文件夹
E:\tmp\zookeeper\ 下新建data文件夹,在data下创建1 2 3文件夹
E:\tmp\zookeeper\ 下新建log文件夹,在log下创建1 2 3文件夹
6.创建myid
分别在data\1,data\2,data\3下创建文件 myid(去掉后缀名),并分别添加内容 1、2、3
7.启动Server
控制台进入bin目录,分别输入:zkServer-x.cmd启动即可。
启动三个server文件后,用jps查看,会看到三个启动的Java主进程。
也可输入:netstat -ano|findstr "2181" 查看端口是否监听
注:启动过程中zkServerXXX.cmd可能会报错:
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2015-10-09 11:20:08,162 [myid:1] - WARN [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:218
1:QuorumCnxManager@382] - Cannot open channel to 3 at election address localhost
/192.168.132.16:3889
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketI
mpl.java:85)
这是因为,zookeeper集群采用的是选举算法,当集群中的其他节点还没有启动的时候,选举算法就会出现异常,因为至少三台能选举出一个leader,2n+1台机器,可以选举n个leader,当全部启动起来后,就不会报异常,所以上述的报错是可以忽略的,尽管启动这三个节点即可。
这样在一台机器上搭建了zookeeper伪集群,并且启动成功。
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