Dec 1, 2020Using container images with AWS LambdaThe serverless landscape just got massively expanded Introduction Container Image Support has just been announced for AWS Lambda and it’s a pretty big deal — I’m very excited because it’s something I’ve wanted for years! I maintain a distribution of thousands of packages called yumda that I created specifically to…8 min read8 min read
Dec 9, 2019Shave 99.93% off your Lambda bill with this one weird trickAWS Solutions Architects hate him. Unprovisioned AWS launched Provisioned Concurrency for Lambda at re:Invent 2019 last week — essentially a way to keep warm Lambdas provisioned for you so you don’t experience any cold start latency in your function invocations. It also may save you money if you happen to have…AWS7 min readAWS7 min read
Nov 24, 2019Staying warm with docker-lambdaSometime in the last few days, docker pulls of lambci/lambda hit 35 million. Which is more than twice what it was six months ago: I don’t know where serverless is on the hype cycle these days, but if local testing and building of Lambda services is anything to go…AWS4 min readAWS4 min read
Jun 25, 2019AWS Lambda nodejs10.x = FIXED 🎉A month ago I dug into the nodejs10.x runtime and highlighted some issues with it — including some bugs and style problems. I’m glad to now report that all the issues I raised have been addressed in the latest runtime code, which should be running on all nodejs10.x …AWS Lambda3 min readAWS Lambda3 min read
May 20, 2019Reviewing the AWS Lambda nodejs10.x runtimeUpdate 2019–06–25: All of the issues I raise here have been addressed in the latest runtime! I’ll leave this story here for posterity, but it no longer reflects the current state of affairs. See my latest blog post on how AWS addressed the issues I raise here. Last week AWS…JavaScript7 min readJavaScript7 min read
Feb 7, 2019Massively Parallel Hyperparameter Optimization on AWS LambdaI’m excited to share a hyperparameter optimization method we use at Bustle to train text classification models on AWS Lambda incredibly quickly— an implementation of the recently released Asynchronous Successive Halving Algorithm paper by Liam Li et al, which proved more effective than Google’s own internal Vizier tool. …Machine Learning7 min readMachine Learning7 min read
Jul 6, 2016Introducing LambCI — a serverless build systemI’m excited to announce the first release of LambCI, an open-source continuous integration tool built on AWS Lambda 🎉 LambCI is a tool I began building over a year ago to run tests on our pull requests and branches at Uniqlo Mobile. …AWS8 min readAWS8 min read