The latest updates and best practices for serverless computing with AWS Lambda.

4 min readFeb 10, 2023

AWS Lambda: What is it and how does it work?

AWS Lambda is a serverless computing platform offered by Amazon Web Services (AWS). It allows developers to run their code without having to manage infrastructure, making it an ideal solution for building and deploying applications quickly and efficiently. With AWS Lambda, you can run code in response to events, such as changes to data in an Amazon S3 bucket, updates to a DynamoDB table, or custom events generated by your application. This makes it possible to build scalable and highly available applications without having to worry about infrastructure management.

New features and updates in AWS Lambda

AWS continues to add new features to Lambda to make it easier to build and deploy applications.

Some of the recent updates include:

Provisioned concurrency: This feature provides a way to manage the performance of your functions by reserving a specific amount of capacity for each function. This helps ensure that your functions are fast and responsive, even under heavy load.

Improved function creation: AWS has made it easier to create and manage functions in the AWS Management Console. You can now create functions directly from the AWS Management Console, and you can also manage your functions using the AWS Command Line Interface (CLI) and the AWS SDKs.

Lambda layers: This feature allows you to manage common code and dependencies as separate components that can be shared across multiple functions. This makes it easier to manage code that is used by multiple functions and reduces the size of individual function deployments.

Best practices for using AWS Lambda

Decide on the appropriate amount of memory: AWS Lambda allocates proportional CPU power and memory to your function based on the amount of memory that you allocate.

Ensure that you allocate the right amount of memory to your function to balance cost and performance.

Keep your functions stateless: AWS Lambda is designed to be stateless, so your functions should be as well. Do not store any state information within your functions and use AWS services such as Amazon S3 or Amazon DynamoDB to store and retrieve data.

Design for failure: AWS Lambda functions can fail due to a variety of reasons, including hardware failures, network issues, and errors in your code. Design your functions to be resilient to failures and to automatically recover when failures occur.

Monitor and troubleshoot: Use AWS CloudWatch and AWS X-Ray to monitor and troubleshoot your functions. You can use CloudWatch to monitor the performance and error rates of your functions and X-Ray to trace requests and identify performance issues.

Use environment variables: Use environment variables to store configuration information for your functions, such as database credentials or API keys. This makes it easier to manage your functions and reduces the risk of hard-coded secrets.

Optimize cold start time: Cold start time is the time it takes for a new instance of your function to be created and start executing. Minimize the cold start time of your functions by reducing the size of your code and dependencies, and by using provisioned concurrency.

Secure your functions: Follow security best practices when using AWS Lambda, including securing access to your functions using AWS IAM, encrypting sensitive data using AWS Key Management Service (KMS), and using VPCs to secure network access to your functions.

Key benefits of AWS Lambda

One of the key benefits of AWS Lambda is that it allows you to pay only for the compute time you consume. This means that you can avoid the costs associated with provisioning and managing servers, which can be substantial. With Jaiinfoway, we can help you optimize your AWS Lambda usage to minimize costs and maximize the value you get from your investment.

Another key benefit of AWS Lambda is its ability to scale automatically. This means that you can handle sudden spikes in traffic or usage without having to worry about provisioning additional resources. With Jaiinfoway, we can help you set up your AWS Lambda functions to scale seamlessly, ensuring that your applications and services remain responsive and available even during times of high demand.


In conclusion, AWS Lambda is a powerful serverless computing platform that can help you build, deploy, and manage applications and services with ease. With Jaiinfoway, you can get the most out of AWS Lambda, taking advantage of its cost savings, scalability, and security benefits to maximize your business outcomes.