Aws on Daniel Pomfret

Optimizing Java for AWS Lambda

Wed, 08 Feb 2023 00:00:00 +0000

AWS Lambda is a serverless computing platform that lets you run your code without provisioning or managing servers. Java is one of the supported programming languages for AWS Lambda, which makes it a great choice for many applications. However, to get the best performance from your Java-based AWS Lambda functions, you’ll need to follow a few best practices. In this blog post, I’ll go over some of the most important optimisation techniques for Java on AWS Lambda.

Disable tests when using AWS SAM Build

Mon, 09 Jan 2023 00:00:00 +0000

Before I start, disabling tests as part of your build pipeline is bad - I don’t recommend it. However, in this scenario, sam builds, especially when running sam sync --watch can take a bit of time, and the feedback loop (write some code, and quickly see it running) can be several minutes, rather than seconds (which you would normally see when running unit tests etc).

So, when running sam sync --watch you may want to disable running of unit/integration tests to make things faster. I’d recommend ensuring unit tests and integration tests are ran somewhere else in your build pipeline.

Penny Saving Challenge using Starling Bank, Lambda and Node

Wed, 08 Jan 2020 00:00:00 +0000

I came across a money-saving Challenge called the ‘1p Challenge’. Basically you save an amount of money based on the day number in the year.

For example, on January the 1st, you would save 1p. Towards the end of the year, say day 365, you would save £3.65

As you can imagine, this starts saving small but eventually ramps up so you will save around £667 over the year.

The problem is, it’s incredibly hard to manage yourself. Finding the time or remembering to transfer funds into another account every day is a challenge. So, like most things in my life, I decided to automate it.