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Sqs queue and fifo
Sqs queue and fifo





sqs queue and fifo

Let’s look a few scenarios regarding SQS. SQS - Certification and Interview Questions Configure SQS Queue Access Policy to provide access to other AWS accounts.By default only the queue owner is allowed to use the queue.You can provide access to other AWS resources to access SQS using IAM roles (EC2 -> SQS).Here are the important things to consider about security of the SQS queue: Maximum number of failures in processing a message Maximum period a message can be on the queue Default - 4 days, Min - 60 seconds, Max - 14 days Time period before a new message is visible on the queue Delay Queue = Create Queue + Delay Seconds default - 0, max - 15 minutes Can be set at Queue creation or updated using SetQueueAttributes Use message timers to configure a message specific DelaySeconds value Other consumers will not receive a message being processed for the configured time period (default - 30 seconds, min - 0, max - 12 hours) Consumer processing a message can call ChangeMessageVisibility to increase visibility timeout of a message (before visibility timeout) The table below shows some of the important SQS queue configuration: Configuration Use a SQS metric like ApproximateNumberOfMessages.You can also implement auto scaling for your SQS queue using CloudWatch based on number of messages in the queue. When a message is sent to queue, it is redundantly distributed among SQS servers SQS - Auto Scaling The picture below shows the service lifecycle of a message Simple Queuing Service Lifecycle of a message Calls delete message (using receipt handle XYZ).Step IV: Consumer processes the message successfully.Other consumers will not receive ABCDEFGHIJ even if they poll for messages.Step III: Message remains in the queue while the consumer processes the message.Receives the message ABCDEFGHIJ along with a receipt handle XYZ.

sqs queue and fifo

Receives globally unique message ID ABCDEFGHIJ (used to track the message).Step I: Producer places message on queue.Let’s see the steps involved in sending and receiving a message on the SQS queue: Sending and receiving a SQS Message - Best case scenario FIFO Queue if order of events is important.Standard SQS queue if throughput is important.If you batch 10 messages per operation (maximum), up to 3,000 messages per secondĬhoose between Two Types of Simple Queuing Service Queues.Upto 300 messages per second (300 send, receive, or delete operations per second).Guarantees at-least-once delivery (some messages can be processed twice).and NO guarantee of exactly-once processing.BUT NO guarantee of ordering (Best-Effort Ordering).There are Two Types of Simple Queuing Service Queues: Two Types of Simple Queuing Service Queues Auto scale to process billions of messages per day.Simple Queuing Service is a highly reliable, scalable, fully-managed message queuing service. How do you implement auto scaling with CloudWatch Alarms for SQS Queue?.

sqs queue and fifo

  • What are the steps involved in processing a message from Amazon SQS queue?.
  • What is difference between FIFO vs Standard Queue?.
  • We will look at important certification questions regarding Amazon SQS. Let’s get a quick overview of Amazon SQS from an AWS certification perspective. Amazon SQS - Simple Queuing Service - FIFO vs Standard Queue - AWS Certification Cheat Sheet Jun 10, 2020







    Sqs queue and fifo