AWS -Simple Queue Service (SQS)

AWS SQS (Amazon Simple Queue Service) is a service that helps to align the message. Moreover, it also helps to enable the user to separate and scale microservices, distributed systems, and serverless applications. Amazon SQS makes it easy to manage the operating message-oriented middleware and enhances the developers to focus on their work. Amazon Simple Queue Service works at any volume without losing the message or requiring other services to be available. It helps to send, store, and receive messages between software components. AWS SQS can start with the help of the tools such as Amazon Console, command-line interface, and SDK.

As it is Software as a Service(SAAS), we don’t need to manage anything we just have to use it with our other applications or services provided by AWS.

In Amazon SQS there are two types of queues which are Standard Queue and AWS SQS FIFO. Standard queue offers at least one delivery and maximum throughput. The FIFO queues guarantee that the processed message takes place only once on the first in first out basis.

Why do we need SQS?

SQS is a great way to decouple services, especially when there is a lot of heavy-duty, batch-oriented processing required.

For example, let’s say you have a service where people upload photos from their mobile devices. Once the photos are uploaded your service needs to do a bunch of processing of the photos, e.g. scaling them to different sizes, applying different filters, extracting metadata, etc.

One way to accomplish this would be to post a message to an SQS queue (or perhaps multiple messages to multiple queues, depending on how you architect it). The message(s) describe work that needs to be performed on the newly uploaded image file. Once the message has been written to SQS, your application can return a success to the user because you know that you have the image file and you have scheduled the processing.

In the background, you can have servers reading messages from SQS and performing the work specified in the messages. If one of those servers dies another one will pick up the message and perform the work. SQS guarantees that a message will be delivered eventually so you can be confident that the work will eventually get done.

Benefits of using SQS:

  1. Eliminate Administrative Overhead:

AWS manages all in-progress operations and underlying infrastructure required to produce an extremely accessible and scalable message queuing service. With AWS SQS, there’s no direct value, no ought to acquire, install, and assemble messaging package, and no long build-out and maintenance of supporting infrastructure. Amazon SQS queues are dynamically created and scale automatically, therefore, you’ll be able to build and grow applications quickly and with efficiency.

2. Reliably Deliver Messages:

Use AWS SQS to transmit any volume of data, at any level of output, while not losing messages or requiring alternative services to be accessible. Amazon SQS helps you to decouple application parts in order that they run and fail severally, increasing the fault tolerance of the system. Multiple copies of each message area unit hold on redundantly across multiple accessible zones in order that they’re out there whenever required.

3. Keep Sensitive Information Secure

You can use Amazon SQS to exchange sensitive data between applications using server-side secret writing (SSE) to inscribe every message body. The AWS SQS compass point integration with AWS Key Management Service (KMS) permits you to centrally manage the keys that defend SQS messages together with keys that defend your alternative AWS resources. AWS KMS logs each use of your encryption keys to AWS CloudTrail to assist meet your restrictive and compliance wants

d. Scale Elastically and Cost-Effectively

AWS SQS leverages the AWS cloud to dynamically scale supported demand. Amazon SQS scales elastically together with your application. Therefore, you don’t have to worry regarding capability designing and pre-provisioning. There’s no limit to the number of messages per queue, and commonplace queues offer nearly unlimited output. Prices area unit supported usage that provides important value saving versus the “always-on” model of self-managed electronic messaging middleware.

Who uses Amazon SQS?

680 companies reportedly use Amazon SQS in their tech stacks, Some of them are Pinterest, Coursera, Cred, Amazon, Lyft, Stack, medium.com, Accenture.etc

Amazon SQS Integrations:

Apache NiFi, MongoDB Stitch, SignalFx, LocalStack, and Cloudcraft are some of the popular tools that integrate with Amazon SQS. Here’s a list of all 16 tools that integrate with Amazon SQS.

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