Update 04/08/2022: turns out there are some valid reasons (analytics and potentially SEO) for redirecting from the apex domain to www. Please see comments from Michael Hart, Mike Lamb and Tyler Love to my tweet here for more details. I have used Amplify to host all my single-page applications, including the newly revamped sites …
Amplify: you shouldn’t allow redirect from apex to www Read More »
I recently looked at the AppSync Masterclass‘s landing page on PageSpeed Insight and didn’t like what I saw… It’s hosted by Shifter and was straightforward to set up. Shifter offers a kind of serverless WordPress and promised to combine WordPress’s convenience with the performance of statically-generated websites. But there are a large number of CSS …
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 …
How to: optimize Lambda memory size during CI/CD pipeline Read More »
If you’re not familiar with how cold start works within the context of AWS Lambda, then read this post first. update 24/03/2019: the tests include WebPack as well. When a Node.js Lambda function cold starts, a number of things happen: the Lambda service has to find a server with enough capacity to host the new …
I recently watched an excellent talk by Matt Lavin on optimization tips for Lambda and saw a slide on making DynamoDB use HTTP keep-alive. It reminded me of a conversation I had with Sebastian Cohnen, so I set out to test the effect this simple optimization has. What is it all about? As it turns …
Lambda optimization tip – enable HTTP keep-alive Read More »
AWS announced binary support for API Gateway in late 2016, which opened up the door for you to use more efficient binary formats such as Google’s Protocol Buffers and Apache Thrift. Why? Compared to JSON – which is the bread and butter for APIs built with API Gateway and Lambda – these binary formats can produce significantly smaller payloads. At scale, …
Using Protocol Buffers with API Gateway and AWS Lambda Read More »
DISCLAIMER : as always, you should benchmark against your payload and use case, the benchmark numbers I have produced here is unlikely to be representative of your use cases and neither is anybody else’s benchmark numbers. You can use the simple test harness I created and see these example code to benchmark against your particular …
DISCLAIMER : as always, you should benchmark against your payload and use case, the benchmark numbers I have produced here is unlikely to be representative of your use cases and neither is anybody else’s benchmark numbers. You can use the simple test harness I created and see these example code to benchmark against your particular …
It’s been a while since I last updated my binary and JSON serializer benchmarks, so here I round up the latest versions of the serializers on here. DISCLAIMER : as always, you should benchmark against your payload and use case, the benchmark numbers I have produced here is unlikely to be representative of your …
My post on implicit boxing of value types is now available in video format, thanks to the folks at Webucator, as part of their C# training series. Enjoy!
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