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Centos6.5下kafka如何部署安装-创新互联

小编给大家分享一下Centos6.5下kafka如何部署安装,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!

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一)安装JDK

步骤1:新建路径/usr/Java, 并在其下解压 jdk-7u71-linux-x64.tar.gz

# mkdir -p /usr/java

# tar -zxvf jdk-7u71-linux-x64.tar.gz

步骤2:添加JDK到系统环境变量

# vi /etc/profile

新增以下内容:

export JAVA_HOME=/usr/java/jdk1.7.0_71

export PATH=$JAVA_HOME/bin:$PATH

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

步骤3:使配置生效

source /etc/profile #使配置文件立即生效

# java -version    //JDK版本java version "1.7.0_79" 也可以,目前JDK1.8版本不支持;

Java version "1.7.0_71"

Java(TM) SE Runtime Environment (build 1.7.0_71-b14)

Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)

二)安装zookeeper

步骤1:解压zookeeper安装包(路径无关,安装路径可以自定义)

# tar -zxvf zookeeper-3.3.6.tar.gz


步骤2:配置环境变量

# vim /etc/profile

export zookeeper_home=/home/laoyang/zookeeper

#source /etc/profile

# sh $zookeeper_home/bin/zkServer.sh start

JMX enabled by default

Using config: /home/laoyang/zookeeper/bin/../conf/zoo.cfg

grep: /home/laoyang/zookeeper/bin/../conf/zoo.cfg: No such file or directory

Starting zookeeper ... STARTED

三)安装kafka

步骤1:解压&移动到/usr/local

# tar -xzvf kafka_2.11-0.9.0.1.tgz

# mv kafka_2.11-0.9.0.1 /usr/local/kafka

步骤2:配置kafka,修改server.properties

# mkdir /usr/local/kafka/log/kafka #创建kafka日志目录

# cd /usr/local/kafka/config #进入配置目录

# vim server.properties #编辑修改相应的参数

  1. broker.id=0

  2. port=9092 #端口号

  3. host.name=10.8.5.101  #服务器IP地址,修改为自己的服务器IP

  4. log.dirs=/usr/local/kafka/log/kafka  #日志存放路径,上面创建的目录

  5. zookeeper.connect=localhost:2181  #zookeeper地址和端口,单机配置部署,localhost:2181

步骤3、配置kafka下的zookeeper

# mkdir /usr/local/kafka/zookeeper #创建zookeeper目录

# mkdir /usr/local/kafka/log/zookeeper #创建zookeeper日志目录

# cd /usr/local/kafka/config #进入配置目录

# vim zookeeper.properties #编辑修改相应的参数

  1. dataDir=/usr/local/kafka/zookeeper #zookeeper数据目录

  2. dataLogDir=/usr/local/kafka/log/zookeeper #zookeeper日志目录

  3. clientPort=2181

  4. maxClientCnxns=100

  5. tickTime=2000

  6. initLimit=10

  7. syncLimit=5


步骤4:创建启动、关闭kafka脚本

1)创建启动kafka脚本

#cd /usr/local/kafka/bin/

# vim kafkastart.sh

  1. #!/bin/bash

  2. #启动zookeeper

  3. /usr/local/kafka/bin/zookeeper-server-start.sh /usr/local/kafka/config/zookeeper.properties &

  4. sleep 3


  5. #Start kafka

  6. /usr/local/kafka/bin/kafka-server-start.sh /usr/local/kafka/config/server.properties &

2)创建关闭kafka脚本

# vim kafkastop.sh

  1. #!/bin/bash

  2. #stop zookeeper

  3. /usr/local/kafka/bin/zookeeper-server-stop.sh /usr/local/kafka/config/zookeeper.properties &

  4. sleep 3


  5. #Stop kafka

  6. /usr/local/kafka/bin/kafka-server-stop.sh /usr/local/kafka/config/server.properties &

3)#添加脚本执行权限

chmod +x kafkastart.sh

chmod +x kafkastop.sh

4)设置脚本开机自动执行

# vim /etc/rc.d/rc.local #编辑,在最后添加一行

  1. sh /usr/local/kafka/kafkastart.sh & #设置开机自动在后台运行脚本

  2. sh /usr/local/kafka/kafkastart.sh #启动kafka

  3. sh /usr/local/kafka/kafkastop.sh #关闭kafka

到此为止CentOs6.5下Kafka安装配置完成。

成功标志:

四)测试kafka

步骤1:启动zookeeper

# sh $zookeeper_home/bin/zkServer.sh start

JMX enabled by default

Using config: /home/laoyang/zookeeper/bin/../conf/zoo.cfg

grep: /home/laoyang/zookeeper/bin/../conf/zoo.cfg: No such file or directory

Starting zookeeper ... STARTED

步骤2:启动kafka

# ./kafkastart.sh


步骤3:测试创建topic

# cd /usr/local/kafka/bin

# ./kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test

步骤4:通过list命令查看创建的topic

# cd /usr/local/kafka/bin

# ./kafka-topics.sh –list –zookeeper localhost:2181

步骤5:生产消息测试

# ./kafka-console-producer.sh --broker-list localhost:9092 --topic test

Kafka test!   //这里的“Kafka test!”为手动输入的,输入后“ctrl +c”退出;

步骤6:消费消息测试

# ./kafka-console-consumer.sh --zookeeper localhost:2181 --topic test --from-beginning

I'm laoyang  #之前测试输入的内容

kafka test!

经过上面几步,代表kafka安装成功。

五)停止kafka

步骤1:停止Kafka

cd /usr/local/kafka

# ./kafkastop.sh  //这里的kafka进程并没有关掉,需要手动kill

步骤2:停止Zookeeper server

# sh $zookeeper_home/bin/zkServer.sh stop


至此,启动,测试,停止全过程ok。

kafka启动过程中的报错:

 WARN caught end of stream exception (org.apache.zookeeper.server.NIOServerCnxn)

EndOfStreamException: Unable to read additional data from client sessionid 0x157ac94cd940002, likely client has closed socket

  at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)

  at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)

  at java.lang.Thread.run(Thread.java:745)

报错原因:

        zookeeper服务端和客户端的jar版本不一致导致的 ;

解决办法:

     从zookeeper服务端安装目录的根目录复制zookeeper-xxx.jar到kafka安装目录下的libs目录下即可,将kafka下libs目录下的jar包删除;

报错:

java.lang.RuntimeException: A broker is already registered on the path /brokers/ids/1. This probably indicates that you either have configured a brokerid that is already in use, or else you have shutdown this broker and restarted it faster than the zookeeper timeout so it appears to be re-registering.
    at kafka.utils.ZkUtils$.registerBrokerInZk(ZkUtils.scala:205)
    at kafka.server.KafkaHealthcheck.register(KafkaHealthcheck.scala:57)
    at kafka.server.KafkaHealthcheck.startup(KafkaHealthcheck.scala:44)
    at kafka.server.KafkaServer.startup(KafkaServer.scala:103)
    at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:34)
    at kafka.Kafka$.main(Kafka.scala:46)
    at kafka.Kafka.main(Kafka.scala)

报错原因:

        该错误是由于server.properties 中的broker.id 重复

解决办法:

# vim server.properties

# The id of the broker. This must be set to a unique integer for each broker.

broker.id=0

看完了这篇文章,相信你对“Centos6.5下kafka如何部署安装”有了一定的了解,如果想了解更多相关知识,欢迎关注创新互联行业资讯频道,感谢各位的阅读!

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文章名称:Centos6.5下kafka如何部署安装-创新互联
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