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java 工程管理系统源码+项目说明+功能描述+前后端分离 + 二次开发

转角一扇门 2023-11-21 阅读 51

文章目录

一、简介

在这里插入图片描述

二、单机部署

2.1 上传压缩包

2.2 解压压缩包

[hadoop@hadoop102 software]$ tar -zxvf kafka_2.11-2.4.1.tgz -C /opt/module/

2.3 修改配置文件

[hadoop@hadoop102 config]$ vim server.properties

(1)配置zookeeper地址

zookeeper.connect=hadoop102:2181,hadoop103:2181,hadoop104:2181/kafka

(2)修改kafka运行日志(数据)存储路径

log.dirs=/opt/module/kafka_2.11-2.4.1/datas

2.4 配置环境变量

[hadoop@hadoop102 config]$ sudo vim /etc/profile.d/my_env.sh

新增内容:

#KAFKA_HOME
export KAFKA_HOME=/opt/module/kafka_2.11-2.4.1
export PATH=$PATH:$KAFKA_HOME/bin

使环境变量生效:

[hadoop@hadoop102 config]$ source /etc/profile

2.5 启动/关闭

[hadoop@hadoop102 config]$ cd /opt/module/kafka_2.11-2.4.1/
[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-server-start.sh -daemon config/server.properties
[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-server-stop.sh stop

2.6 测试

(1)查看当前服务器中的所有topic

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --zookeeper hadoop102:2181/kafka --list
[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --bootstrap-server hadoop102:9092 --list

(2)创建topic等增删改查操作未测试,担心后面升级为集群模式时出问题。

三、集群部署

3.0 清空log.dirs目录并删除zookeeper的kafka节点

[hadoop@hadoop102 kafka_2.11-2.4.1]$ rm -r datas/
# 启动zookeeper客户端
[zk: localhost:2181(CONNECTED) 5] deleteall /kafka

3.1 同步到其他机器

(1)同步Kafka软件

[hadoop@hadoop102 ~]$ mytools_rsync /opt/module/kafka_2.11-2.4.1/

(2)修改其他机器的broker.id

[hadoop@hadoop103 config]$ vim server.properties
# 修改内容:broker.id=1
[hadoop@hadoop104 config]$ vim server.properties
# 修改内容:broker.id=2

(3)配置其他机器的环境变量

[hadoop@hadoop103 config]$ sudo vim /etc/profile.d/my_env.sh
[hadoop@hadoop104 config]$ sudo vim /etc/profile.d/my_env.sh

新增内容:

#KAFKA_HOME
export KAFKA_HOME=/opt/module/kafka_2.11-2.4.1
export PATH=$PATH:$KAFKA_HOME/bin

使环境变量生效:

[hadoop@hadoop103 config]$ source /etc/profile
[hadoop@hadoop104 config]$ source /etc/profile

3.2 启动/停止集群

# 启动
[hadoop@hadoop102 config]$ cd /opt/module/kafka_2.11-2.4.1/
[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-server-start.sh -daemon config/server.properties
[hadoop@hadoop103 config]$ cd /opt/module/kafka_2.11-2.4.1/
[hadoop@hadoop103 kafka_2.11-2.4.1]$ bin/kafka-server-start.sh -daemon config/server.properties
[hadoop@hadoop104 config]$ cd /opt/module/kafka_2.11-2.4.1/
[hadoop@hadoop104 kafka_2.11-2.4.1]$ bin/kafka-server-start.sh -daemon config/server.properties

# 停止
[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-server-stop.sh stop
[hadoop@hadoop103 kafka_2.11-2.4.1]$ bin/kafka-server-stop.sh stop
[hadoop@hadoop104 kafka_2.11-2.4.1]$ bin/kafka-server-stop.sh stop

3.3 测试

(1)查看当前服务器中的所有topic

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --bootstrap-server hadoop102:9092 --list

(2)创建topic

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --bootstrap-server hadoop102:9092 --create --replication-factor 2 --partitions 1 --topic first-topic

(3)删除topic

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --bootstrap-server hadoop102:9092 --delete --topic first-topic

(4)发送消息

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-console-producer.sh --broker-list hadoop102:9092 --topic first-topic

发送内容:

>hello
>hi~
>are you ok?

(5)消费消息

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-console-consumer.sh --bootstrap-server hadoop102:9092 --topic first-topic
[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-console-consumer.sh --bootstrap-server hadoop102:9092 --from-beginning --topic first-topic

(6)查看某个Topic的详情

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --bootstrap-server hadoop102:9092 --describe --topic first-topic

(7)修改分区数

[hadoop@hadoop102 kafka_2.11-2.4.1]$ bin/kafka-topics.sh --bootstrap-server hadoop102:9092 --alter --topic first-topic --partitions 3

四、监控(kafka-eagle单机模式)

4.0 上传并解压kafka-eagle压缩包

[hadoop@hadoop102 software]$ cd /opt/software/
[hadoop@hadoop102 software]$ tar -zxvf kafka-eagle-bin-1.4.8.tar.gz
[hadoop@hadoop102 software]$ cd kafka-eagle-bin-1.4.8/
[hadoop@hadoop102 kafka-eagle-bin-1.4.8]$ tar -zxvf kafka-eagle-web-1.4.8-bin.tar.gz -C /opt/module/

4.1 修改Kafka集群配置

[hadoop@hadoop102 bin]$ vim kafka-server-start.sh

(1)暴露JMX端口

(2)调大Kafka内存

修改内容:

if [ "x$KAFKA_HEAP_OPTS" = "x" ]; then
    #export KAFKA_HEAP_OPTS="-Xmx1G -Xms1G"
    export KAFKA_HEAP_OPTS="-server -Xms2G -Xmx2G -XX:PermSize=128m -XX:+UseG1GC -XX:MaxGCPauseMillis=200 -XX:ParallelGCThreads=8 -XX:ConcGCThreads=5 -XX:InitiatingHeapOccupancyPercent=70"
    export JMX_PORT="9999"
fi

(3)分发配置

[hadoop@hadoop102 bin]$ mytools_rsync kafka-server-start.sh

4.2 配置kafka-eagle

4.2.1 修改配置文件

[hadoop@hadoop102 ~]$ cd /opt/module/kafka-eagle-web-1.4.8/conf/
[hadoop@hadoop102 conf]$ vim system-config.properties
(1)配置zk地址

修改内容:

kafka.eagle.zk.cluster.alias=cluster1
cluster1.zk.list=hadoop102:2181,hadoop103:2181,hadoop104:2181/kafka
(2)Kafka Offset的存储地址

修改内容:

cluster1.kafka.eagle.offset.storage=kafka
(3)配置MySQL地址

修改内容:

kafka.eagle.driver=com.mysql.jdbc.Driver
kafka.eagle.url=jdbc:mysql://mall:3306/ke?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull
kafka.eagle.username=root
kafka.eagle.password=123456
(4)其他配置
# 是否启动监控图表
kafka.eagle.metrics.charts=true

4.2.2 配置环境变量

[hadoop@hadoop102 conf]$ sudo vim /etc/profile.d/my_env.sh

新增内容:

# kafkaEagle
export KE_HOME=/opt/module/kafka-eagle-web-1.4.8
export PATH=$PATH:$KE_HOME/bin

使环境变量生效:

[hadoop@hadoop102 conf]$ source /etc/profile

4.3 启动

4.3.1 启动Kafka集群

4.3.2 启动kafka-eagle

[hadoop@hadoop102 conf]$ cd /opt/module/kafka-eagle-web-1.4.8/bin
# 给启动文件执行权限
[hadoop@hadoop102 bin]$ chmod 777 ke.sh
[hadoop@hadoop102 bin]$ cd /opt/module/kafka-eagle-web-1.4.8/
[hadoop@hadoop102 kafka-eagle-web-1.4.8]$ bin/ke.sh start

4.3.3 关闭kafka-eagle

[hadoop@hadoop102 kafka-eagle-web-1.4.8]$ bin/ke.sh stop

4.4 测试

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