AWS

Video and slides for my talk “applying best parts of Microservices to Serverless”

Hello, just a quick note to tell you that recording of my keynote at ServerlessDays TLV is now live! In this talk, I looked at a number of important lessons we learnt from the Microservices world and how they are still relevant to us as move to Serverless, and we can apply past learnings and …

Video and slides for my talk “applying best parts of Microservices to Serverless” Read More »

Serverless observability, what can you use out of the box?

part 1 : new challenges to observability part 2 : 1st party observability tools from AWS <- you are here part 3 : 3rd party observability tools part 4: the future of Serverless observability In part 1 we talked about the challenges serverless brings to the table. In this post, let’s look at 1st party tools from AWS …

Serverless observability, what can you use out of the box? Read More »

how to do fan-out and fan-in with AWS Lambda

In the last post, we look at how you can implement pub-sub with AWS Lambda. We compared several event sources you can use, SNS, Kinesis streams and DynamoDB streams, and the tradeoffs available to you. Let’s look at another messaging pattern today, push-pull, which is often referred to as fan-out/fan-in. It’s really two separate patterns …

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What is the best event source for doing pub-sub with AWS Lambda?

AWS offers a wealth of options for implementing messaging patterns such as pub-sub with Lambda, let’s compare and contrast some of these options. The pub-sub pattern Publish-Subscribe (often shortened to pub-sub) is a messaging pattern where publishers and subscribers are decoupled through an intermediary broker (ZeroMQ, RabbitMQ, SNS, etc.). SNS + Lambda In the AWS ecosystem, the obvious …

What is the best event source for doing pub-sub with AWS Lambda? Read More »

AWS Lambda – monolithic functions won’t help you with cold starts

After my post on monolithic functions vs single-purposed functions, a few people asked me about the effect monolithic functions have on cold starts, so I thought I’d share my thoughts here. The question goes something like this: Monolithic functions are invoked more frequently so they are less likely to be in cold state, while single-purposed …

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