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fix: 解决 redis mq 消息丢失问题

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gaibu 2022-12-15 14:36:17 +08:00
parent afa3e6dc96
commit 0f31ce7ecf
2 changed files with 76 additions and 1 deletions
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11
yudao-framework/yudao-spring-boot-starter-mq/src/main/java/cn/iocoder/yudao/framework/mq/config/YudaoMQAutoConfiguration.java
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@ -8,6 +8,7 @@ import cn.iocoder.yudao.framework.mq.core.RedisMQTemplate;
import cn.iocoder.yudao.framework.mq.core.interceptor.RedisMessageInterceptor;
import cn.iocoder.yudao.framework.mq.core.pubsub.AbstractChannelMessageListener;
import cn.iocoder.yudao.framework.mq.core.stream.AbstractStreamMessageListener;
import cn.iocoder.yudao.framework.mq.scheduler.PendingMessageScheduler;
import cn.iocoder.yudao.framework.redis.config.YudaoRedisAutoConfiguration;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.autoconfigure.AutoConfiguration;
@ -24,7 +25,6 @@ import org.springframework.data.redis.listener.ChannelTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.stream.DefaultStreamMessageListenerContainerX;
import org.springframework.data.redis.stream.StreamMessageListenerContainer;
import org.springframework.scheduling.annotation.Async;
import java.util.List;
import java.util.Properties;
@ -69,6 +69,15 @@ public class YudaoMQAutoConfiguration {
return container;
}
/**
*
* @return
*/
@Bean
public PendingMessageScheduler pendingMessageScheduler(){
return new PendingMessageScheduler();
}
/**
* 创建 Redis Stream 集群消费的容器
*

66
yudao-framework/yudao-spring-boot-starter-mq/src/main/java/cn/iocoder/yudao/framework/mq/scheduler/PendingMessageScheduler.java Normal file
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@ -0,0 +1,66 @@
package cn.iocoder.yudao.framework.mq.scheduler;
import cn.iocoder.yudao.framework.mq.core.RedisMQTemplate;
import cn.iocoder.yudao.framework.mq.core.stream.AbstractStreamMessageListener;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.connection.stream.Consumer;
import org.springframework.data.redis.connection.stream.MapRecord;
import org.springframework.data.redis.connection.stream.PendingMessagesSummary;
import org.springframework.data.redis.connection.stream.ReadOffset;
import org.springframework.data.redis.connection.stream.StreamOffset;
import org.springframework.data.redis.connection.stream.StreamRecords;
import org.springframework.data.redis.core.StreamOperations;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import java.util.List;
import java.util.Map;
/**
* 这个定时器用于处理，crash 之后的消费者未消费完的消息
*/
@Slf4j
@EnableScheduling
public class PendingMessageScheduler {
@Autowired
private List<AbstractStreamMessageListener<?>> listeners;
@Autowired
private RedisMQTemplate redisTemplate;
@Value("${spring.application.name}")
private String groupName;
/**
* 一分钟执行一次
*/
@Scheduled(fixedRate = 60 * 1000)
public void processPendingMessage() {
StreamOperations<String, Object, Object> ops = redisTemplate.getRedisTemplate().opsForStream();
for (AbstractStreamMessageListener<?> listener : listeners) {
PendingMessagesSummary pendingMessagesSummary = ops.pending(listener.getStreamKey(), groupName);
// 每个消费者的pending消息数量
Map<String, Long> pendingMessagesPerConsumer = pendingMessagesSummary.getPendingMessagesPerConsumer();
pendingMessagesPerConsumer.entrySet().forEach(entry -> {
String consumerName = entry.getKey();
Long pendingMessageCount = entry.getValue();
log.info("[processPendingMessage][消费者({}) 消息数量({})]", consumerName, pendingMessageCount);
// 从消费者的pending队列中读取消息
List<MapRecord<String, Object, Object>> retVal = ops.read(Consumer.from(groupName, consumerName), StreamOffset.create(listener.getStreamKey(), ReadOffset.from("0")));
for (MapRecord<String, Object, Object> record : retVal) {
// 重新投递消息
redisTemplate.getRedisTemplate().opsForStream().add(StreamRecords.newRecord()
.ofObject(record.getValue()) // 设置内容
.withStreamKey(listener.getStreamKey()));
// ack 消息消费完成
redisTemplate.getRedisTemplate().opsForStream().acknowledge(groupName, record);
}
});
}
}
}