kafka消费者配置
最近的业务接触了一下消息插件kafka ,其他客户端负责发送,我方负责接收消费。功能很简单,但是!!!!我们要求把消息入库,而且数据量每天达到了千万级别,这就日了苟啊!
废话不多说,上代码!
由于消息需要入库,我使用的是手动提交消息,如果不入库,不要求准确定,使用自动提交就ok
消费者配置类
package com.asiainfo.hsop.server.kafka; import org.apache.kafka.clients.consumer.ConsumerConfig; import org.apache.kafka.common.serialization.StringDeserializer; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.kafka.annotation.EnableKafka; import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory; import org.springframework.kafka.config.KafkaListenerContainerFactory; import org.springframework.kafka.core.ConsumerFactory; import org.springframework.kafka.core.DefaultKafkaConsumerFactory; import org.springframework.kafka.listener.AbstractMessageListenerContainer; import org.springframework.kafka.listener.ConcurrentMessageListenerContainer; import org.springframework.kafka.listener.config.ContainerProperties; import java.util.HashMap; import java.util.Map; /** * kafka消息队列消费者 配置类 * * @author cyc * @version 1.0.0 * @date 2021-07-02 * * */ @Configuration @EnableKafka public class KafkaConsumerConfig { /* * *启动项目之前 需要修改 etc/hosts 文件,把 kafka实例名称和主机ip对应关系填好,否则会报错 , * *报错信息如下: * Discovered group coordinator...... * (Re-)joining group...... * Marking the coordinator...... *尝试升级kafka-clients ,但是没有啥卵用.......最好的解决方案 就是修改系统hosts文件 * * 主机ip 和 实例名称 对应关系 * 11.251.10.111 sss-nn-01 * * * */ public Map<String, Object> consumerConfig(String consumerGroupId) { Map<String, Object> props = new HashMap<>(); //kafka服务地址 props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "10.253.6.194:6667,10.253.6.195:6667,10.253.6.196:6667,10.253.6.197:6667,10.253.6.198:6667,10.253.6.199:6667,10.253.6.200:6667,10.253.6.201:6667"); //消费后是否自动提交 当前为false props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, false); //获取消息后提交偏移量的最大时间 props.put(ConsumerConfig.AUTO_COMMIT_INTERVAL_MS_CONFIG, "100"); //超时时间,服务端没有收到心跳就会认为当前消费者失效 props.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, "15000"); //默认消费组 props.put(ConsumerConfig.GROUP_ID_CONFIG, consumerGroupId); //earliest 从头开始消费、latest获取最新消息 、none 没理解 props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "latest"); //序列化 props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); return props; } public ConsumerFactory<String, String> consumerFactory(String consumerGroupId) { return new DefaultKafkaConsumerFactory<>(consumerConfig(consumerGroupId)); } /*有多个消费组监听,直接复制改方法, * 修改 @Bean(name = "kafkaListenerContainerFactory") name重新命名 * * factory.setConsumerFactory(consumerFactory("etctu_tradeinfolist_test")); 改下消费组 名称 * * 在调用的时候containerFactory="kafkaListenerContainerFactory" 改一下就ok * * */ @Bean(name = "kafkaListenerContainerFactory") public KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<String, String>> kafkaListenerContainerFactory() { ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>(); factory.setConsumerFactory(consumerFactory("etctu_tradeinfolist_test"));
//监听的线程数量,多个线程入库,数据库的id是自增的话,可能导致死锁,建议使用UUID factory.setConcurrency(1); /*消费者有两种消费模式,一种是kafka实例主动推送push模式,推送速度由kafka决定,很有可能导致消费端阻塞, *另一种就是 消费者主动拉取,poll模式 * */ factory.getContainerProperties().setPollTimeout(3000); //当使用手动提交时必须设置ackMode为MANUAL,否则会报错No Acknowledgment available as an argument, the listener container must have a MANUAL AckMode to populate the Acknowledgment. // factory.getContainerProperties().setAckMode(AbstractMessageListenerContainer.AckMode.MANUAL); // 下面两个条件哪个先满足,就会先使用那个 factory.getContainerProperties().setAckCount(10);//达到10条数据的时候提交一次 factory.getContainerProperties().setAckTime(10000);//10s提交一次 return factory; } @Bean(name = "kafkaListenerContainerFactory2") public KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<String, String>> kafkaListenerContainerFactory2() { ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>(); factory.setConsumerFactory(consumerFactory("exit_toll_host_test")); factory.setConcurrency(1); factory.getContainerProperties().setPollTimeout(3000); factory.getContainerProperties().setAckMode(AbstractMessageListenerContainer.AckMode.MANUAL); factory.getContainerProperties().setAckCount(10); factory.getContainerProperties().setAckTime(10000); return factory; } @Bean(name = "kafkaListenerContainerFactory3") public KafkaListenerContainerFactory<ConcurrentMessageListenerContainer<String, String>> kafkaListenerContainerFactory3() { ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>(); factory.setConsumerFactory(consumerFactory("entryinfo_test")); factory.setConcurrency(1); factory.getContainerProperties().setPollTimeout(3000); //当使用手动提交时必须设置ackMode为MANUAL,否则会报错No Acknowledgment available as an argument, the listener container must have a MANUAL AckMode to populate the Acknowledgment. factory.getContainerProperties().setAckMode(AbstractMessageListenerContainer.AckMode.MANUAL); factory.getContainerProperties().setAckCount(10); factory.getContainerProperties().setAckTime(10000); return factory; } }
消费者类,里面包含了Hbase 引入的包,没啥用,删掉就行
package com.asiainfo.hsop.server.kafka; import com.alibaba.fastjson.JSON; import com.asiainfo.hsop.base.po.data.kafka.HospKafkaDetail; import com.asiainfo.hsop.common.utils.HBaseUtils; import org.apache.commons.lang3.StringUtils; import org.apache.kafka.clients.consumer.ConsumerRecord; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.kafka.annotation.KafkaListener; import org.springframework.kafka.support.Acknowledgment; import org.springframework.stereotype.Component; import java.io.IOException; import java.math.BigDecimal; import java.text.ParseException; import java.util.*; /** * * @author cyc * * @date 2021-07-02 * * * * * */ @Component public class Consumer { private Logger logger= LoggerFactory.getLogger(Consumer.class); @KafkaListener(topics = "highwayetctu",containerFactory="kafkaListenerContainerFactory") public void consumer1(ConsumerRecord<?, ?> record, Acknowledgment ack) throws InterruptedException, ParseException, IOException { //具体业务
//手动提交 ack.acknowledge(); } @KafkaListener(topics = "exitList_0706",containerFactory="kafkaListenerContainerFactory2") public void consumer2(ConsumerRecord<?, ?> record,Acknowledgment ack ) throws IOException, ParseException { //具体业务
//手动提交 ack.acknowledge(); } @KafkaListener(topics = "entryinfo",containerFactory="kafkaListenerContainerFactory3") public void consumer3(ConsumerRecord<?, ?> record,Acknowledgment ack ) throws IOException, ParseException { //具体业务
//手动提交 ack.acknowledge(); } }