kafka下载：
http://kafka.apache.org/downloads
版本：
kafka_2.11-1.1.1.tgz
解压：
tar -zxvf kafka_2.11-1.1.1.tgz -C /opt/install
[root@hadoop002 kafka_2.11-1.1.1]# cd config/
修改配置 :
参数说明：
dataDir顾名思义就是zookeeper保存数据的目录,默认情况下zookeeper将写数据的日志文件也保存在这个目录里； clientPort这个端口就是客户端连接Zookeeper服务器的端口,Zookeeper会监听这个端口接受客户端的访问请求； server.A=B:C:D中的A是一个数字,表示这个是第几号服务器,B是这个服务器的IP地址，C第一个端口用来集群成员的信息交换,表示这个服务器与集群中的leader服务器交换信息的端口，D是在leader挂掉时专门用来进行选举leader所用的端口。
vi zookeeper.properties ########### clouster config ########################3
server.1= 192.168.25.143:2888:3888 server.2= 192.168.25.144:2888:3888 server.3= 192.168.25.145:2888:3888 server.4= 192.168.25.146:2888:3888 LogDir=/data/zookeeper/logs # 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. 在dataDir 目录下创建myid 的文本，里面写上一个数字，每个zk 保持唯一，此处分别是1，2，3，4
# 可以 直接 echo “1” >/data/zookeeper/myid
dataDir=/data/zookeeper # the port at which the clients will connect clientPort=2181 # the maximum number of client connections. # increase this if you need to handle more clients #maxClientCnxns=60 # # Be sure to read the maintenance section of the # administrator guide before turning on autopurge. # # http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance # # The number of snapshots to retain in dataDir #autopurge.snapRetainCount=3 # Purge task interval in hours # Set to "0" to disable auto purge feature #autopurge.purgeInterval=1
vi server.properties
修改：
############################# Server Basics ############################# # The id of the broker. 集群中每个 broker.id 必须保证唯一 This must be set to a unique integer for each broker. broker.id=0 delete.topic.enable=true ############################# Log Basics ############################# # A comma separated list of directories under which to store log files
#kafka 中所有的数据中保存在logger 中 log.dirs=/data/kafka/log # The default number of log partitions per topic. More partitions allow greater # parallelism for consumption, but this will also result in more files across # the brokers. num.partitions=1 # The number of threads per data directory to be used for log recovery at startup and flushing at shutdown. # This value is recommended to be increased for installations with data dirs located in RAID array. num.recovery.threads.per.data.dir=1 ############################# Zookeeper ############################# # Zookeeper connection string (see zookeeper docs for details). # This is a comma separated host:port pairs, each corresponding to a zk # server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002". # You can also append an optional chroot string to the urls to specify the # root directory for all kafka znodes. zookeeper.connect=hadoop002:2181,hadoop003:2181,hadoop004:2181 # Timeout in ms for connecting to zookeeper zookeeper.connection.timeout.ms=6000 ############################# Group Coordinator Settings #############################
启动集群：
/opt/Kafka/kafka_2.11-1.1.1/bin/zookeeper-server-stop.sh /opt/Kafka/kafka_2.11-1.1.1/bin/kafka-server-stop.sh /opt/Kafka/kafka_2.11-1.1.1/bin/zookeeper-server-start.sh /opt/Kafka/kafka_2.11-1.1.1/config/zookeeper.properties & /opt/Kafka/kafka_2.11-1.1.1/bin/kafka-server-start.sh /opt/Kafka/kafka_2.11-1.1.1/config/server.properties &
或者使用脚本：
/etc/init.d$ vi kafka-start-up.sh
#!/bin/bash #export KAFKA_HOME=$PATH export KAFKA_HOME=/opt/Kafka/kafka_2.11-1.1.1 #chkconfig:2345 30 80 #description:kafka #processname:kafka case $1 in start) chmod -R 777 $KAFKA_HOME/logs chmod -R 777 /data/kafka $KAFKA_HOME/bin/zookeeper-server-start.sh $KAFKA_HOME/config/zookeeper.properties $KAFKA_HOME/bin/kafka-server-start.sh $KAFKA_HOME/config/server.properties ;; stop) $KAFKA_HOME/bin/zookeeper-server-stop.sh $KAFKA_HOME/bin/kafka-server-stop.sh ;; *) echo "require start|stop" ;; esac