DAX supports Amazon VPC and Tagging provides you more visibility into your DAX clusters, making them easier to manage. Bobcares as a part of our AWS support services guides you in detail with the AWS DynamoDB Accelerator article.

Amazon DynamoDB Accelerator (DAX)

The Amazon DynamoDB Accelerator is a fully managed and highly accessible in-memory cache for Amazon DynamoDB. This instance improves performance by up to ten times from milliseconds to microseconds even when millions of requests per second are made.

DAX takes care of all the heavy lifting methods when it comes to adding in-memory acceleration to DynamoDB tables, so we don’t have to worry about cache invalidation, data populating, or cluster management.

How does DAX work?

Amazon DynamoDB Accelerator is designed to run within an Amazon Virtual Private Cloud environment. The Amazon VPC service defines a virtual network that closely resembles a traditional data center with a VPC. By this you will have control over IP address range subnets, network gateways, and security settings.

Further, launch a DAX cluster in your virtual network and control access to the cluster by using Amazon VPC security groups.To create a DAX cluster you need to use the AWS Management Console.

To run the application, firstly launch an Amazon EC2 instance into your Amazon VPC. Then deploy your application on the EC2 instance. During runtime, the DAX client directs all application’s DynamoDB API requests to the DAX cluster.

If DAX can process one of these API requests directly or on another hand it might pass the request through to DynamoDB.Lastly, the DAX cluster will return the results to your application.

Advantages of Using DAX:

• Extreme performance: DynamoDB guarantees continuous single-digit millisecond latency. DynamoDB + DAX takes speed to the next level with response times in microseconds for millions of requests per second for read-heavy applications.

• Highly scalable: You did not select between performance and scalability with DynamoDB + DAX. This DAX automatically allows you to scale up and down as needed. Also, allows you to handle millions of queries per second.

• Fully managed: DAX, like DynamoDB, is completely managed. You don’t have to worry about tasks like hardware or software provisioning setup, and configuration, or software patching. As many basic administration duties, like failure detection, recovery, and software patching, are automated with DAX.

• Ease of use: DAX and DynamoDB are tightly linked so all you have to do is provisioning a DAX cluster and use the DAX client SDK to point your existing DynamoDB API and DAX will take care of the rest. DAX handles the heavy labor behind the scenes so that it helps to increase performance.

• Flexible: To provide you the most flexibility, the DAX allows you to provision one DAX cluster for several DynamoDB tables, many DAX clusters for a single DynamoDB table, or somewhere in between.

• Secure: To improve security the DAX fully connects with AWS services. You can also use Amazon CloudWatch to monitor resource use, performance, and operational health across your entire system for secure and quick access from your existing apps.

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Conclusion

To sum up, with AWS DynamoDB Accelerator you can create fantastic applications for your customers without having to worry about scalability because DAX is compatible with existing DynamoDB API calls so you don’t have to change your application logic.