Kafka單機搭建
阿新 • • 發佈:2018-02-10
rom 1.5 pos listen add eight ati 接收 必須
1、zookeeper搭建
Kafka集群依賴zookeeper,需要提前搭建好zookeeper
單機模式(7步)(集群模式進階請移步:http://blog.51cto.com/nileader/795230)Step1:
cd /usr/local/software
wget http://download.oracle.com/otn-pub/java/jdk/8u161-b12/2f38c3b165be4555a1fa6e98c45e0808/jdk-8u161-linux-x64.tar.gz
配置JAVA環境。檢驗方法:執行java –version和javac –version命令。
Step2:下載並解壓zookeeper。
鏈接:http://mirror.bjtu.edu.cn/apache/zookeeper/zookeeper-3.4.3/,(更多版本:http://dwz.cn/37HGI
)最終生成目錄類似結構:/home/admin/taokeeper/zookeeper-3.4.3/bin
Step3:重命名 zoo_sample.cfg文件
mv /home/admin/taokeeper/zookeeper-3.4.3/conf/zoo_sample.cfg zoo.cfg
Step4:vi zoo.cfg,修改
dataDir=/home/admin/taokeeper/zookeeper-3.4.3/data
Step5:創建數據目錄:mkdir /home/admin/taokeeper/zookeeper-3.4.3/data
-
mkdir /home/admin/taokeeper/zookeeper-3.4.3/data
Step6:啟動zookeeper:執行
/home/admin/taokeeper/zookeeper-3.4.3/bin/zkServer.sh start
Step7:檢測是否成功啟動:執行
/home/admin/taokeeper/zookeeper-3.4.3/bin/zkCli.sh 或 echo stat|nc localhost 2181
2、下載Kafka
# mkdir -p /usr/local/softwarekafka_2.12-1.0.0.tgz //其中2.12-1.0.0為Scala的版本,kafka-1.0.0-src.tgz為kafka版本 3、解壓
# cd /usr/local/software
# wget http://mirror.bit.edu.cn/apache/kafka/1.0.0/kafka-1.0.0-src.tgz
# wget http://mirror.bit.edu.cn/apache/kafka/1.0.0/kafka_2.12-1.0.0.tgz
# tar zxf kafka_2.12-1.0.0.tgz -C /usr/local/
# cd /usr/local/
# mv kafka_2.12-1.0.0/ kafka/
4、配置
# vi /usr/local/kafka/config/server.properties
# broker的ID,集群中每個broker ID不可相同
broker.id=0
# 監聽器,端口號和port一致即可
listeners=PLAINTEXT://:9092
# Broker的監聽端口
port=9092
# 必須填寫當前服務器IP地址
host.name=10.10.6.225
# 必須填寫當前服務器IP地址
advertised.host.name=10.10.6.225
# 暫未配置集群
#zookeeper.connect=zookeeper-01:2181,zookeeper-02:2181,zookeeper-03:2181
5、配置Kafka的環境變量
# vi /etc/profile
export KAFKA_HOME=/usr/local/kafka
export PATH=$PATH:$KAFKA_HOME/bin
# source /etc/profile
6、啟動Kafka
# kafka-server-start.sh -daemon $KAFKA_HOME/config/server.properties
官方推薦啟動方式:
# /usr/local/kafka/bin/kafka-server-start.sh /usr/local/kafka/config/server.properties &
但這種方式退出shell後會自動斷開
7、驗證# jps
2256 Jps
2237 Kafka
看到Kafka的進程,說明Kafka已經啟動
8、創建topic
創建名為test,partitions為3,replication為3的topic
# kafka-topics.sh --create --zookeeper zookeeper-01:2181,zookeeper-02:2181,zookeeper-03:2181 --partitions 3 --replication-factor 3 --topic test
查看topic狀態
# kafka-topics.sh --describe --zookeeper zookeeper-01:2181,zookeeper-02:2181,zookeeper-03:2181 --topic test
Topic:test PartitionCount:3 ReplicationFactor:3 Configs:
Topic: test Partition: 0 Leader: 3 Replicas: 3,1,2 Isr: 3,1,2
Topic: test Partition: 1 Leader: 1 Replicas: 1,2,3 Isr: 1,2,3
Topic: test Partition: 2 Leader: 2 Replicas: 2,3,1 Isr: 2,3,1
狀態說明:test有三個分區分別為1、2、3,分區0的leader是3(broker.id),分區0有三個副本,並且狀態都為lsr(ln-sync,表示可以參加選舉成為leader)。
刪除topic 在config/server.properties中加入delete.topic.enable=true並重啟服務,在執行如下命令# kafka-topics.sh --delete --zookeeper zookeeper-01:2181,zookeeper-02:2181,zookeeper-03:2181 --topic test
9、測試使用Kafka
發送消息
# kafka-console-producer.sh --broker-list zookeeper-01:9092,zookeeper-02:9092,zookeeper-03:9092 --topic test
輸入以下信息:
This is a message
This is another message
接收消息
# kafka-console-consumer.sh --zookeeper zookeeper-01:2181,zookeeper-02:2181,zookeeper-03:2181 --topic test --from-beginning //--from-beginning 表示從開始第一個消息開始接收
若看到上輸入的信息說明已經搭建成功。Kafka單機搭建