标签:spring-boot amazon-web-services spring-cloud amazon-sqs spring
我正在使用Spring Cloud库轮询SQS.如何设置轮询间隔?
@Bean
@Primary
public AmazonSQSAsync amazonSQSAsync() {
return AmazonSQSAsyncClientBuilder.standard().
withCredentials(awsCredentialsProvider()).
withClientConfiguration(clientConfiguration()).
build();
}
@Bean
@ConfigurationProperties(prefix = "aws.queue")
public SimpleMessageListenerContainer simpleMessageListenerContainer(AmazonSQSAsync amazonSQSAsync) {
SimpleMessageListenerContainer simpleMessageListenerContainer = new SimpleMessageListenerContainer();
simpleMessageListenerContainer.setAmazonSqs(amazonSQSAsync);
simpleMessageListenerContainer.setMessageHandler(queueMessageHandler());
simpleMessageListenerContainer.setMaxNumberOfMessages(10);
simpleMessageListenerContainer.setTaskExecutor(threadPoolTaskExecutor());
return simpleMessageListenerContainer;
}
@Bean
public QueueMessageHandler queueMessageHandler() {
QueueMessageHandlerFactory queueMessageHandlerFactory = new QueueMessageHandlerFactory();
queueMessageHandlerFactory.setAmazonSqs(amazonSQSAsync());
QueueMessageHandler queueMessageHandler = queueMessageHandlerFactory.createQueueMessageHandler();
return queueMessageHandler;
}
@Bean
public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(10);
executor.setMaxPoolSize(10);
executor.setThreadNamePrefix("oaoQueueExecutor");
executor.initialize();
return executor;
}
解决方法:
在包org.springframework.cloud.aws.messaging.listener中调用基类AbstractMessageListenerContainer的setWaitTimeOut(N)函数. N是长时间轮询超时,以秒为单位.
例如,如果要等待5秒钟才能返回,请在queueMessageHandler()函数中使用以下代码行.如果不调用此功能,则默认值为1秒.长轮询的最大超时时间是20秒,因此您可以为此功能指定的最大值是20,这意味着“等待20秒”
simpleMessageListenerContainer.setWaitTimeOut (5);
/**
* Configures the wait timeout that the poll request will wait for new message to arrive if the are currently no
* messages on the queue. Higher values will reduce poll request to the system significantly.
*
* @param waitTimeOut
* - the wait time out in seconds
*/
public void setWaitTimeOut(Integer waitTimeOut) {
this.waitTimeOut = waitTimeOut;
}
标签:spring-boot,amazon-web-services,spring-cloud,amazon-sqs,spring 来源: https://codeday.me/bug/20191109/2011371.html
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