通过IDEA往kafka批量发送数据

阳光穿透心脏的1/2处 2022-10-18 11:28 175阅读 0赞

###  ###

### 1、目录结构 ###

![image.png][]

### 2、Pom.xml ###

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
        <groupId>org.example</groupId>
        <artifactId>kafkaSendData</artifactId>
        <version>1.0-SNAPSHOT</version>
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <maven.compiler.source>1.8</maven.compiler.source>
            <maven.compiler.target>1.8</maven.compiler.target>
            <slf4j.version>1.7.15</slf4j.version>
            <log4j.version>1.2.17</log4j.version>
        </properties>
        <dependencies>
            <dependency>
                <groupId>org.apache.kafka</groupId>
                <artifactId>kafka-clients</artifactId>
                <version>1.1.0</version>
            </dependency>
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-log4j12</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>${log4j.version}</version>
            </dependency>
        </dependencies>
        <build>
            <plugins>
                
                <plugin>
                    <groupId>net.alchim31.maven</groupId>
                    <artifactId>scala-maven-plugin</artifactId>
                    <version>3.2.2</version>
                    <executions>
                        <execution>
                            <id>scala-compile-first</id>
                            <phase>process-resources</phase>
                            <goals>
                                <goal>compile</goal>
                            </goals>
                        </execution>
                        <execution>
                            <id>scala-test-compile</id>
                            <phase>process-test-resources</phase>
                            <goals>
                                <goal>testCompile</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <args>
                            <arg>-nobootcp</arg>
                        </args>
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-shade-plugin</artifactId>
                    <version>3.0.0</version>
                    <executions>
                        
                        <execution>
                            <phase>package</phase>
                            <goals>
                                <goal>shade</goal>
                            </goals>
                            <configuration>
                                <artifactSet>
                                    <excludes>
                                        <exclude>org.apache.flink:force-shading</exclude>
                                        <exclude>com.google.code.findbugs:jsr305</exclude>
                                        
                                        
                                    </excludes>
                                </artifactSet>
                                <filters>
                                    <filter>
                                        
                                        <artifact>*:*</artifact>
                                        <excludes>
                                            <exclude>META-INF/*.SF</exclude>
                                            <exclude>META-INF/*.DSA</exclude>
                                            <exclude>META-INF/*.RSA</exclude>
                                        </excludes>
                                    </filter>
                                </filters>
                                <transformers>
                                    <transformer
                                            implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                        <mainClass>com.hikvision.KafkaSendFile</mainClass>
                                    </transformer>
                                </transformers>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </project>

### 3 log4j.properties ###

#log4j.rootLogger = ERROR, stdout, kafkaAppender
    #
    #
    #
    #
    #log4j.appender.kafkaAppender = org.apache.log4j.DailyRollingFileAppender
    #log4j.appender.kafkaAppender.DatePattern = '.'yyyy-MM-dd-HH
    #log4j.appender.kafkaAppender.File = ${kafka.logs.dir}/server.log
    #log4j.appender.kafkaAppender.layout=org.apache.log4j.PatternLayout
    #log4j.appender.kafkaAppender.layout.ConversionPattern = [%d] %p %m (%c)%n
    kafka.logs.dir=logs
    log4j.rootLogger=INFO, stdout
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
    log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n
    log4j.appender.kafkaAppender=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.kafkaAppender.DatePattern='.'yyyy-MM-dd-HH
    log4j.appender.kafkaAppender.File=${kafka.logs.dir}/server.log
    log4j.appender.kafkaAppender.layout=org.apache.log4j.PatternLayout
    log4j.appender.kafkaAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
    log4j.appender.stateChangeAppender=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.stateChangeAppender.DatePattern='.'yyyy-MM-dd-HH
    log4j.appender.stateChangeAppender.File=${kafka.logs.dir}/state-change.log
    log4j.appender.stateChangeAppender.layout=org.apache.log4j.PatternLayout
    log4j.appender.stateChangeAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
    log4j.appender.requestAppender=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.requestAppender.DatePattern='.'yyyy-MM-dd-HH
    log4j.appender.requestAppender.File=${kafka.logs.dir}/kafka-request.log
    log4j.appender.requestAppender.layout=org.apache.log4j.PatternLayout
    log4j.appender.requestAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
    log4j.appender.cleanerAppender=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.cleanerAppender.DatePattern='.'yyyy-MM-dd-HH
    log4j.appender.cleanerAppender.File=${kafka.logs.dir}/log-cleaner.log
    log4j.appender.cleanerAppender.layout=org.apache.log4j.PatternLayout
    log4j.appender.cleanerAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
    log4j.appender.controllerAppender=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.controllerAppender.DatePattern='.'yyyy-MM-dd-HH
    log4j.appender.controllerAppender.File=${kafka.logs.dir}/controller.log
    log4j.appender.controllerAppender.layout=org.apache.log4j.PatternLayout
    log4j.appender.controllerAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
    # Turn on all our debugging info
    #log4j.logger.kafka.producer.async.DefaultEventHandler=DEBUG, kafkaAppender
    #log4j.logger.kafka.client.ClientUtils=DEBUG, kafkaAppender
    #log4j.logger.kafka.perf=DEBUG, kafkaAppender
    #log4j.logger.kafka.perf.ProducerPerformance$ProducerThread=DEBUG, kafkaAppender
    #log4j.logger.org.I0Itec.zkclient.ZkClient=DEBUG
    log4j.logger.kafka=INFO, kafkaAppender
    log4j.logger.kafka.network.RequestChannel$=WARN, requestAppender
    log4j.additivity.kafka.network.RequestChannel$=false
    #log4j.logger.kafka.network.Processor=TRACE, requestAppender
    #log4j.logger.kafka.server.KafkaApis=TRACE, requestAppender
    #log4j.additivity.kafka.server.KafkaApis=false
    log4j.logger.kafka.request.logger=WARN, requestAppender
    log4j.additivity.kafka.request.logger=false
    log4j.logger.kafka.controller=TRACE, controllerAppender
    log4j.additivity.kafka.controller=false
    log4j.logger.kafka.log.LogCleaner=INFO, cleanerAppender
    log4j.additivity.kafka.log.LogCleaner=false
    log4j.logger.state.change.logger=TRACE, stateChangeAppender
    log4j.additivity.state.change.logger=false

### 4、代码 ###

package com.hikvision.KafkaSendFile;
    import org.apache.kafka.clients.producer.KafkaProducer;
    import org.apache.kafka.clients.producer.ProducerRecord;
    import java.io.BufferedReader;
    import java.io.File;
    import java.io.FileReader;
    import java.util.Properties;
    /**
     * 类描述：
     *
     * @ClassName kafkaSend
     * @Description:
     * @Author: liyaozhou
     * @Date: 2021/6/5 11:56
     */
    public class kafkaSend {
        public static void main(String[] args) throws Exception {
            KafkaProducer<String,String> producer;
            Properties props = new Properties();
            props.put("bootstrap.servers", "192.168.244.129:9092");
            props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
            props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
            producer = new KafkaProducer(props);
            int count = 0;
            for (int i = 0;i<20;i++) {
                BufferedReader bufferedReader = new BufferedReader(new FileReader(new File("/home/liyaozhou/workspace/javaspace/kafkaSendData/data/test.csv")));
                String line = null;
                while ((line = bufferedReader.readLine()) != null) {
                    producer.send(new ProducerRecord<>("lightgbm495_data", null, line));
                    count++;
                    if (count % 500 == 0) {
                        System.out.println(count);
                    }
                }
                bufferedReader.close();
            }
            producer.close();
        }
    }

[image.png]: /images/20221014/bc132a9a3f064d75ae87cc310ac58f26.png