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What’s the difference between standard and FIFO queue?

Pragya Keshap answered on February 20, 2023 Popularity 2/10 Helpfulness 1/10

answer What’s the difference between standard and FIFO queue?

What’s the difference between standard and FIFO queue?

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Standard queues are best-effort ordering, which means that messages might be delivered out of order. FIFO queues are guaranteed to preserve message ordering.

@Component
public class CreateQueue {

    AmazonSQSAsync amazonSQSAsyncClient;

    public CreateQueue(AmazonSQSAsync amazonSQSAsyncClient) {
        this.amazonSQSAsyncClient = amazonSQSAsyncClient;
    }

    public void createQueue(String name) {
        try {
            CreateQueueRequest standardQueueRequest = new CreateQueueRequest()
                    .withQueueName("SQS_DEMO_QUEUE")
                    .addAttributesEntry("VisibilityTimeout", "60")
                    .addAttributesEntry("DelaySeconds", "10")
                    .addAttributesEntry("MessageRetentionPeriod", "86400");

            CreateQueueRequest fifoQueueRequest = new CreateQueueRequest()
                    .withQueueName("SQS_DEMO_QUEUE.fifo")
                    .addAttributesEntry("FifoQueue", "true")
                    .addAttributesEntry("VisibilityTimeout", "60")
                    .addAttributesEntry("DelaySeconds", "10")
                    .addAttributesEntry("ContentBasedDeduplication", "true")
                    .addAttributesEntry("MessageRetentionPeriod", "86400");

            CreateQueueResult standardQueueResult = amazonSQSAsyncClient.createQueue(standardQueueRequest);

            CreateQueueResult fifoQueueResult = amazonSQSAsyncClient.createQueue(fifoQueueRequest);

        } catch (AmazonSQSException exception) {
            if (!exception.getErrorCode().equals("QueueAlreadyExists")) {
                throw exception;
            }
        }
    }
}

https://aws.amazon.com/sqs/faqs/#:~:text=Standard%20queues%20provide%20at%2Dleast,processes%20it%20and%20deletes%20it.

Popularity 2/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: between difference fifo whatever

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Contributed on Feb 20 2023

Pragya Keshap

0 Answers Avg Quality 2/10

What’s the difference between standard and FIFO queue?

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