kafka_2.9.2-0.8.1.1分布式集群搭建
准备3台虚拟机, 系统是RHEL64服务版.
1) 每台机器配置如下:
$ cat /etc/hosts
# zookeeper hostnames:
192.168.8.182 zk1
192.168.8.183 zk2
192.168.8.184 zk3
2) 每台机器上安装jdk, zookeeper, kafka, 配置如下:
$ vi /etc/profile
# jdk, zookeeper, kafka
export KAFKA_HOME=/usr/local/lib/kafka/kafka_2.9.2-0.8.11
export ZK_HOME=/usr/local/lib/zookeeper/zookeeper-3.4.6
export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$KAFKA_HOME/bin:$ZK_HOME/bin:$PATH
3) 每台机器上运行:
$ source /etc/profile
$ mkdir -p /var/lib/zookeeper
$ cd $ZK_HOME/conf
$ cp zoo_sample.cfg zoo.cfg
$ vi zoo.cfg
dataDir=/var/lib/zookeeper
# the port at which the clients will connect
clientPort=2181
# zookeeper cluster
server.1=zk1:2888:3888
server.2=zk2:2888:3888
server.3=zk3:2888:3888
4) 每台机器上生成myid:
zk1:
$ echo "1" > /var/lib/zookeeper/myid
zk2:
$ echo "2" > /var/lib/zookeeper/myid
zk3:
$ echo "3" > /var/lib/zookeeper/myid
5) 每台机器上运行setup关闭防火墙
Firewall:
[ ] enabled
6) 每台机器上启动zookeeper:
$ zkServer.sh start
查看状态:
$ zkServer.sh status
1)下载KAFKA
$ wget http://apache.fayea.com/apache-mirror/kafka/0.8.1.1/kafka_2.9.2-0.8.1.1.tgz
安装和配置参考上一篇文章:
http://blog.csdn.net/ubuntu64fan/article/details/26678877
2)配置$KAFKA_HOME/config/server.properties
我们安装3个broker,分别在3个vm上:zk1,zk2,zk3:
zk1:
$ vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=zk1
$ vi $KAFKA_HOME/config/server.properties
broker.id=0
port=9092
host.name=zk1
advertised.host.name=zk1
...
num.partitions=2
...
zookeeper.contact=zk1:2181,zk2:2181,zk3:2181
zk2:
$ vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=zk2
$ vi $KAFKA_HOME/config/server.properties
broker.id=1
port=9092
host.name=zk2
advertised.host.name=zk2
...
num.partitions=2
...
zookeeper.contact=zk1:2181,zk2:2181,zk3:2181
zk3:
$ vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=zk3
$ vi $KAFKA_HOME/config/server.properties
broker.id=2
port=9092
host.name=zk3
advertised.host.name=zk3
...
num.partitions=2
...
zookeeper.contact=zk1:2181,zk2:2181,zk3:2181
3)启动zookeeper服务, 在zk1,zk2,zk3上分别运行:
$ zkServer.sh start
4)启动kafka服务, 在zk1,zk2,zk3上分别运行:
$ kafka-server-start.sh $KAFKA_HOME/config/server.properties
5) 新建一个TOPIC(replication-factor=num of brokers)
$ kafka-topics.sh --create --topic test --replication-factor 3 --partitions 2 --zookeeper zk1:2181
6)假设我们在zk2上,开一个终端,发送消息至kafka(zk2模拟producer)
$ kafka-console-producer.sh --broker-list zk1:9092 --sync --topic test
在发送消息的终端输入:Hello Kafka
7)假设我们在zk3上,开一个终端,显示消息的消费(zk3模拟consumer)
$ kafka-console-consumer.sh --zookeeper zk1:2181 --topic test --from-beginning
在消费消息的终端显示:Hello Kafka
查看topic
bin/kafka-topics.sh --list --zookeeper localhost:2181