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AWS Lambda pros and cons

Vendor: Amazon Web Services (AWS)

4.3 out of 5

90 reviews
94% willing to recommend

Pros & Cons summary

AWS Lambda offers scalable serverless architecture with automatic scaling to match demand, enhancing performance and cost-efficiency. It integrates with various AWS services to deliver robust solutions while supporting multiple programming languages for flexible development. However, the setup can be complex for newcomers. Cold start delays and execution limits affect performance, and while integration capabilities are strong within AWS, they could be enhanced for broader provider compatibility.

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Prominent pros & cons

PROS

AWS Lambda provides a serverless architecture, eliminating the need for server management, which contributes to cost efficiency and ease of scaling.

The service offers impressive scalability, automatically adjusting to the number of incoming requests and integrating seamlessly with other AWS services.

The ease of development with support for various languages, such as Python, Java, .NET, and Node.js, is a notable advantage.

AWS Lambda facilitates quick deployment, focusing on code without the burden of managing infrastructure, thereby enhancing productivity and functionality.

The pay-for-what-you-use model allows organizations to optimize costs by only incurring charges for events triggered and resources utilized.

CONS

AWS Lambda requires better integration with other providers like Cohesity and Druva.

AWS Lambda's setup process is complex and requires simplified configuration for ease of use.

There is a need for improved language support, as AWS Lambda currently lacks support for some programming languages like Python and Go.

AWS Lambda's cold-starts can lead to delays, requiring performance improvements for faster execution.

AWS Lambda's pricing is high and could be improved to be more cost-effective.

AWS Lambda Pros review quotes

Chief Executive Officer at a tech services company with 51-200 employees

Jun 4, 2018

Provides a good, easy path from when you're using an AWS cluster.

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HV

Technical Leader at FPT Software

Jul 20, 2019

The ability to scale up and down very quickly helps because we can maintain our system performance and business at a low cost.

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Ravi Satyanarayana

IT Analyst at Tata Consultancy

Sep 27, 2019

The most valuable feature of this solution is the API Gateway.

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Technical Architect at a tech services company with 1,001-5,000 employees

Jan 29, 2020

The most valuable feature is that it scans the cloud system and if they are any security anomalies it triggers an email.

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AWS Platform Head & Chief Architect - CMA Unit at a tech services company with 10,001+ employees

Mar 3, 2020

The ease and speed of developing the services using any available language is the most valuable feature.

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reviewer1280193

Assistant to Vice President at a consultancy with 10,001+ employees

Apr 19, 2020

It's a serverless solution which is the best feature. It helps us because it offers free aspects. From the infrastructure perspective, it helps us manage costs. There is no overhead of estimating how much infrastructure we're going to need. We can focus on building the business functionality that we want to build.

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reviewer1112637

CEO at a healthcare company with 51-200 employees

Oct 14, 2020

The cool thing about AWS Lambda is that AWS does all the management. For compression, it is all about making the data small and then making it regular size again. We have an encode function and a decode function. AWS Lambda schedules each of those for us. It has a load balancer and all the fancy stuff, depending on the demand. The most valuable part of AWS Lambda is that I only need to write the software. I need to write two functions, and my cloud developer turns them into two AWS Lambda instances. That's it.

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Senior Analyst with 11-50 employees

Nov 21, 2020

The solution is designed very well. You don't need to keep a server up. You just need some router to route your API request and Lambda provides a very well-designed feature to process the request.

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FL

IoT/AI/Enterprise Solutions Architect at Tech Data Corporation

Nov 29, 2020

Amazon takes care of the scalability. That's the right way. It's automatic and it's fully managed. That's one benefit of Lambda.

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reviewer1207650

Sr. Technology Specialist at a computer software company with 5,001-10,000 employees

Mar 10, 2021

The basic feature that I like is that there is no server installation. It also has good support for various languages, such as Java, .NET, C#, and Python.

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AWS Lambda Cons review quotes

Chief Executive Officer at a tech services company with 51-200 employees

Jun 4, 2018

I would like to see some better integration with other providers, like Cohesity, Druva, and others. I also think the Lambda interface could be better.

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HV

Technical Leader at FPT Software

Jul 20, 2019

Lamba functions have cold-starts that can cause some delay.

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Ravi Satyanarayana

IT Analyst at Tata Consultancy

Sep 27, 2019

The security needs to be improved.

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Free Report: AWS Lambda Reviews and More

Learn what your peers think about AWS Lambda. Get advice and tips from experienced pros sharing their opinions. Updated: January 2026.

879,768 professionals have used our research since 2012.

Technical Architect at a tech services company with 1,001-5,000 employees

Jan 29, 2020

The running time of AWS Lambda runs fine. It takes around five minutes but it would be great if that time could be extended.

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AWS Platform Head & Chief Architect - CMA Unit at a tech services company with 10,001+ employees

Mar 3, 2020

The product needs some updating as far as ease-of-customization and configuration opportunities to work with solutions outside of the cloud.

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reviewer1280193

Assistant to Vice President at a consultancy with 10,001+ employees

Apr 19, 2020

If you are setting it up on hybrid solution, there is a lot of work that needs to go in.

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reviewer1112637

CEO at a healthcare company with 51-200 employees

Oct 14, 2020

One area of improvement is to include support for more programming languages. AWS Lambda does not support a lot of programming languages. You have to write the Lambda functions in a certain programming language. We are using C++. My developer knows a couple of other languages. Python is his favorite language, but Python is not supported in AWS Lambda.

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Senior Analyst with 11-50 employees

Nov 21, 2020

We need to better understand Lambda for different scenarios. We need some joint effort between Amazon and the users to have the users identify how they can really leverage Lambda. It's not about Lambda itself; it's about the practice, the guidance. There needs to be very good documentation. From the user perspective, what exists now is not always enough.

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FL

IoT/AI/Enterprise Solutions Architect at Tech Data Corporation

Nov 29, 2020

I think that perhaps Lambda could explore its functionality more.

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reviewer1207650

Sr. Technology Specialist at a computer software company with 5,001-10,000 employees

Mar 10, 2021

Its price should be improved. Its pricing is on the higher side. I am not sure if it currently supports the Go language. If it doesn't support the Go language, they can introduce it.

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