AWS

Auto-scaling Kinesis streams with AWS Lambda

Following on from the last post where we discussed 3 useful tips for working effectively with Lambda and Kinesis, let’s look at how you can use Lambda to help you auto scale Kinesis streams. Auto-scaling for DynamoDB and Kinesis are two of the most frequently requested features for AWS, as I write this post I’m sure the folks …

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AWS Lambda —3 pro tips for working with Kinesis streams

At Yubl, we arrived at a non-trivial serverless architecture where Lambda and Kinesis became a prominent feature of this architecture. Whilst our experience using Lambda with Kinesis was great in general, there was a couple of lessons that we had to learn along the way. Here are 3 useful tips to help you avoid some …

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AWS Lambda – build yourself a URL shortener in 2 hours

An interesting requirement came up at work this week where we discussed potentially having to run our own URL Shortener because the Universal Links mechanism (in iOS 9 and above) requires a JSON manifest at https://domain.com/apple-app-site-association Since the OS doesn’t follow redirects this manifest has to be hosted on the URL shortener’s root domain. Owing to a limitation on AppsFlyer it’s …

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AWS Lambda – comparing platform performances

As Lambda adds nodejs 6.10 to its supported platforms I wondered if there’s any performance differences between the platforms. Thankfully the templates in the Serverless framework make it a relative breeze to test it out with a simple HelloWorld function.   The Test see the test code here. I created a simple Lambda function for each platform that will …

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Yubl’s road to Serverless architecture – ops

part 1: overview part 2: testing and CI/CD part 3: ops <- you’re here part 4: building a scalable notification system part 5: building a better recommendation system A couple of folks asked me about our strategy for monitoring, logging, etc. after part 2, and having watched Chris Swan talk about “Serverless Operations is not a …

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Yubl’s road to Serverless architecture – Testing and CI/CD

part 1: overview part 2: testing and CI/CD <- you’re here part 3: ops part 4: building a scalable notification system part 5: building a better recommendation system Having spoken to quite a few people about using AWS Lambda in production, testing and CI/CD are always high up the list of questions, so I’d like to use …

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Yubl’s road to Serverless architecture – overview

part 1: overview <- you’re here part 2: testing and CI/CD part 3: ops part 4: building a scalable notification system part 5: building a better recommendation system Since Yubl’s closure quite a few people have asked about the serverless architecture we ended up with and some of the things we have learnt along the …

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Yubl – a sad end to a wonderful journey

By now many of you would have heard about the demise of Yubl – the startup where I have been working the last 7 months – in the same week Karhoo also announced its closure.   It took all of us by surprise, and happened at a time when we have made real strides in the (r)evolution of our backend architecture. …

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