Hello, just a quick note to tell you that recording of my talk at the recent AWS User Group meetup is now live! In this talk, I introduced the core concepts of chaos engineering, and the challenges that the Serverless paradigm brings to the existing tools and practices we use. I then looked at techniques …
Video and slides for my talk “applying principles of chaos engineering to Serverless” Read More »
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 »
In a previous post we discussed how to auto-subscribe a CloudWatch Log Group to a Lambda function using CloudWatch Events. So that we don’t need a manual process to ensure all Lambda logs would go to our log aggregation service. Whilst this is useful in its own right, it only scratches the surface of what …
auto-create CloudWatch Alarms for APIs with Lambda Read More »
It’s common practice to set log level to WARNING for production due to traffic volume. This is because we have to consider various cost factors: cost of logging : CloudWatch Logs charges $0.50 per GB ingested. In my experience, this is often much higher than the Lambda invocation costs cost of storage : CloudWatch Logs charges $0.03 …
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 »
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 …
All the videos from JeffConf Hamburg is now available on YouTube. You can also find slides and sketchnotes from the agenda page on their website. There were a lot of good talks to pick from, but here are my top 3. Simon Wardley : Why the Fuss about Serverless? (slides) Admittedly I have seen various …
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 »
Hello, the slides and recording of my talk — The present and future of Serverless observability — at ServerlessConf Paris is now available. Enjoy! :-) The present and future of Serverless observability from Yan Cui
Hello, the slides and recording of my talk – Serverless Design Patterns – at the London Dev Community is now available. Enjoy! :-) Serverless Design Patterns (London Dev Community) from Yan Cui
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