Lambda

How to: optimize Lambda memory size during CI/CD pipeline

Lambda invocations are charged in 100ms blocks of execution time. But the cost per 100ms of execution time depends on how much memory you allocate to the function. The higher the memory, the more CPU cycles and network bandwidth, but the higher the cost as well. One of the simplest and most efficient cost optimization …

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Real-World Serverless: fully-serverless insurance company with Joe Emison

In this two-part conversation on Real-World Serverless, I spoke with Joe Emison about his experience with serverless and his latest venture, Branch, a home and auto insurance company that is built fully-serverlessly by a small team. Joe is easily one of the smartest people working with serverless technologies today and I’m very grateful that he …

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Real-World Serverless: state of serverless adoption at Zoopla

In the first-ever episode of Real-World Serverless, I spoke with Ricardo Espirito Santo about the state of serverless adoption at Zoopla – how they’re using serverless, their experience with it so far, and the challenges they have faced. Zoopla is a UK company in the real estate industry. They were founded in 2008 and their …

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Announcing the new Real-World Serverless podcast

I’m excited to announce that my new podcast Real-World Serverless is LIVE! It’s a brand new podcast where I discuss real-world use cases and challenges with serverless technologies with engineers who are building stuff with them and get their stories from the trenches. The first episode is already live, where I spoke with Ricardo Espirito …

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AWS Heroes united!

So I have some exciting news for you! I have teamed up with my good friend and fellow AWS Serverless Hero, Ant Stanley, to launch my Production-Ready Serverless workshop on his brand spanking new training platform Senzo. We’re running a 2-day workshop in London on March 16th & 17th, you can learn more about the …

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New course – Learn you some Lambda best practice for great good!

Hi, I have some exciting news :-) I’m publishing a new video course “Learn you some Lambda best practice for great good!“. You can preorder the course right now for the special price of £9.99 (~$13) while I’m still working on the content. The first batch of lessons would be available on the 17th Jan …

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Check-list for going live with API Gateway and Lambda

Disclaimer: this is a long list, you don’t need to tick every box to go-live. Think of them as a ladder, the more critical a system the higher you should try and climb. Observability Enable detailed monitoring to get per-method metrics (e.g. latency for GET /index). Without this, CloudWatch only reports aggregated metrics for all …

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Analyze Lambda cold starts with lumigo-cli

I’m absolutely thrilled to tell you about an exciting new feature for the lumigo-cli, the ability to analyze Lambda cold starts. With the new analyze-lambda-cold-starts command, you can analyze cold starts for: all functions in all regions all functions in a single region a single function You can specify how far back you want the …

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Where Serverless plugin stops and platform starts

I’m a long-time user of the Serverless framework and a big fan of its plugin system. It offers tremendous flexibility and there exists a rich ecosystem of community-driven plugins. It’s easily the Serverless framework’s greatest strength and the reason why I keep going back to it. However, I have observed a common pattern where customers …

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