zookeeper+kafka环境搭建
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步骤:首先安装java环境、安装zookeeper,最后安装kafka
一、安装java环境
1、下载所需要的软件
[root@linux-node2 src]# cd /usr/local/src
(所需要的软件有jdk-8u121-linux-x64.rpm、zookeeper-3.4.10.tar.gz、kafka_2.10-0.10.1.0.tgz)
备注:
这些软件可自行到官网上下载。最新版本的比较高的zookeeper需要最新版本的jdk,我这里用的是jdk8
2、安装jdk,并声明java的家目录
[root@linux-node2 src]# rpm -ivh jdk-8u121-linux-x64.rpm
[root@linux-node2 src]# echo 'export JAVA_HOME="/usr/java/jdk1.8.0_121"' >> /etc/profile
[root@linux-node2 src]# source /etc/profile
二、配置安装zookeeper
[root@linux-node2 ~]# mkdir -p /zookeeper/{zk1,zk2,zk3} #创建zookeeper的安装目录
1、配置安装第一个zookeeper
[root@linux-node2 ~]# tar -xf /usr/local/src/zookeeper-3.4.10.tar.gz -C /zookeeper/zk1/
[root@linux-node2 ~]# cd /zookeeper/zk1/zookeeper-3.4.10/conf/
[root@linux-node2 conf]# cp zoo_sample.cfg zoo.cfg #zookeeper的主配置文件
[root@linux-node2 conf]# grep '^[a-Z]' /zookeeper/zk1/zookeeper-3.4.10/conf/zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/zookeeper/zk1/zookeeper-3.4.10/dataPath
clientPort=2181
server.1=127.0.0.1:8880:7770
server.2=127.0.0.1:8881:7771
server.3=127.0.0.1:8882:7772
备注(这里是在一台机器上搭建的环境):
1、server字段里面的第一个端口(8880,8881,8882)为选举端口,第二端口(7770,7771,7772)是为了防止网络异常的端口,都是自定义的
2、dataDir为数据路径,一会要创建出来
3、客户端的端口,每一个zookeeper也不同
4、如果是在不同服务器上搭建这个环境,只需要修改server字段里面的IP即可。
#创建数据文件
[root@linux-node2 conf]# mkdir -p /zookeeper/zk1/zookeeper-3.4.10/dataPath
[root@linux-node2 conf]# echo 1 > /zookeeper/zk1/zookeeper-3.4.10/dataPath/myid
备注:这是个规定,而且myid不同的zookeeper不能相同
2、配置安装第二个zookeeper
[root@linux-node2 ~]# cp -a /zookeeper/zk1/* /zookeeper/zk2/
[root@linux-node2 ~]# echo 2 > /zookeeper/zk2/zookeeper-3.4.10/dataPath/myid
[root@linux-node2 ~]# grep '^[a-Z]' /zookeeper/zk2/zookeeper-3.4.10/conf/zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/zookeeper/zk2/zookeeper-3.4.10/dataPath
clientPort=2182
server.1=127.0.0.1:8880:7770
server.2=127.0.0.1:8881:7771
server.3=127.0.0.1:8882:7772
3、配置安装第三个zookeeper
[root@linux-node2 ~]# cp -a /zookeeper/zk1/* /zookeeper/zk3/
[root@linux-node2 ~]# echo 3 > /zookeeper/zk3/zookeeper-3.4.10/dataPath/myid
[root@linux-node2 ~]# grep '^[a-Z]' /zookeeper/zk3/zookeeper-3.4.10/conf/zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/zookeeper/zk3/zookeeper-3.4.10/dataPath
clientPort=2183
server.1=127.0.0.1:8880:7770
server.2=127.0.0.1:8881:7771
server.3=127.0.0.1:8882:7772
4、启动zookeeper
[root@linux-node2 ~]# /zookeeper/zk1/zookeeper-3.4.10/bin/zkServer.sh start
[root@linux-node2 ~]# /zookeeper/zk2/zookeeper-3.4.10/bin/zkServer.sh start
[root@linux-node2 ~]# /zookeeper/zk3/zookeeper-3.4.10/bin/zkServer.sh start
备注:如果有报错可以查看文件:zookeeper.out
5、查看是否成功
[root@linux-node2 ~]# /zookeeper/zk1/zookeeper-3.4.10/bin/zkCli.sh -server 127.0.0.1:2181
或者
[root@linux-node2 ~]# /zookeeper/zk1/zookeeper-3.4.10/bin/zkCli.sh -server 127.0.0.1:2182
或者
[root@linux-node2 ~]# /zookeeper/zk2/zookeeper-3.4.10/bin/zkCli.sh -server 127.0.0.1:2183
[zk: 127.0.0.1:2181(CONNECTED) 0] ls
[zk: 127.0.0.1:2181(CONNECTED) 1] ls /zookeeper/quota
[]
[zk: 127.0.0.1:2181(CONNECTED) 2] ls /zookeeper/quota
[]
[zk: 127.0.0.1:2181(CONNECTED) 3] get /zookeeper/quota
cZxid = 0x0
ctime = Thu Jan 01 08:00:00 CST 1970
mZxid = 0x0
mtime = Thu Jan 01 08:00:00 CST 1970
pZxid = 0x0
cversion = 0
dataVersion = 0
aclVersion = 0
ephemeralOwner = 0x0
dataLength = 0
numChildren = 0
备注:测试的时候可以自由搭配,没有固定的搭配方法
三、配置安装kafka
1、添加第一个kafka实例
[root@linux-node2 ~]# mkdir -p /kafka/{ka1,ka2,ka3}
[root@linux-node2 ~]# tar -xf /usr/local/src/kafka_2.10-0.10.1.0.tgz -C /kafka/ka1/
[root@linux-node2 ~]#mkdir /kafka/ka1/kafka_2.10-0.10.1.0/logs
[root@linux-node2 config]# cd /kafka/ka1/kafka_2.10-0.10.1.0/config
[root@linux-node2 config]# grep "^[a-Z]" server.properties
broker.id=0
listeners=PLAINTEXT://:9092
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/kafka/ka1/kafka_2.10-0.10.1.0/logs
num.partitions=1
num.recovery.threads.per.data.dir=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=localhost:2181,localhost:2182,localhost:2183
zookeeper.connection.timeout.ms=6000
2、添加第二个kafka实例
[root@linux-node2 ~]# cp -a /kafka/ka1/* /kafka/ka2/
[root@linux-node2 config]# cd /kafka/ka2/kafka_2.10-0.10.1.0/config
[root@linux-node2 config]# grep "^[a-Z]" server.properties
broker.id=1
listeners=PLAINTEXT://:9093
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/kafka/ka2/kafka_2.10-0.10.1.0/logs
num.partitions=1
num.recovery.threads.per.data.dir=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=localhost:2181,localhost:2182,localhost:2183
zookeeper.connection.timeout.ms=6000
3、添加第三个kafka实例
[root@linux-node2 ~]# cp -a /kafka/ka1/* /kafka/ka3/
[root@linux-node2 config]# cd /kafka/ka3/kafka_2.10-0.10.1.0/config
[root@linux-node2 config]# grep "^[a-Z]" server.properties
broker.id=2
listeners=PLAINTEXT://:9094
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/kafka/ka3/kafka_2.10-0.10.1.0/logs
num.partitions=1
num.recovery.threads.per.data.dir=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=localhost:2181,localhost:2182,localhost:2183
zookeeper.connection.timeout.ms=6000
4、启动kafka
节点1:
[root@linux-node2 ~]# /kafka/ka1/kafka_2.10-0.10.1.0/bin/kafka-server-start.sh /kafka/ka1/kafka_2.10-0.10.1.0/config/server.properties &
节点2:
[root@linux-node2 ~]# /kafka/ka2/kafka_2.10-0.10.1.0/bin/kafka-server-start.sh /kafka/ka2/kafka_2.10-0.10.1.0/config/server.properties &
节点3:
[root@linux-node2 ~]# /kafka/ka3/kafka_2.10-0.10.1.0/bin/kafka-server-start.sh /kafka/ka3/kafka_2.10-0.10.1.0/config/server.properties &
查看进程状态:
[root@linux-node2 bin]# ps -ef | grep kafka
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