How to achieve Concurrency Control in AWS Lambda

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AWS Lambda is very scalable by design and is great in cases when we need to implement the fan-out pattern to improve system throughput. But sometimes we need to do the reverse and constrain the system throughput so we don't overwhelm downstream dependencies.
After all, not every system is as scalable as our Lambda functions.
In this video, I will show you how to control the concurrency of a Lambda function.
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Опубликовано:

1 окт 2024

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Комментарии : 13

@EdchelStephenNini Месяц назад

Thank you!

@josherney9820 2 месяца назад

Excellent video, thanks for sharing

@theburningmonk 2 месяца назад

Thank you, glad you liked it!

@theburningmonk Год назад

This is a preview lesson from my cohort-based workshop, "Production-Ready Serverless". If you liked this, then please check out the full curriculum at productionreadyserverless.com. You can get 15% OFF with the code "RU-vid15" during checkout. Hope to see you there!

@mohdalikm Год назад

Is there an option to set scalingconfig maximumConcurrency in aws console while setting sqs-lambda trigger?

@theburningmonk Год назад

Yup, you can set it in the console when you configure a SQS trigger for a Lambda function. It's called "Maximum concurrency".

@PrafullKotecha 11 месяцев назад

What's the best practice to handle Lambda concurrency for IoT core message topics?

@theburningmonk 11 месяцев назад

IoT core is an async invocation source for Lambda, and assuming that you're working on an IoT solution then you're kinda stuck with it. So for concurrency control in this situation, I think you should use reserved concurrency. But if you need to allocate a large no. of concurrency units across multiple functions then you should consider isolating your IoT event processing functions to a their own account. That way, your other systems, like APIs, are shielded from whatever concurrency units that you have to reserve for your IoT functions.

@SethGeoghegan Год назад

Fantastic video! Do you ever reach for step functions to solve this problem?

@theburningmonk Год назад

I haven't used Step Function for this. Up til now, it hasn't got a built-in concurrency control mechanism. In fact, when I needed to limit the concurrency of some state in my state machine, I've had to implement that concurrency control outside of the state machine, for example, like this theburningmonk.com/2018/07/step-functions-how-to-implement-semaphores-for-state-machines