Posts by Yan Cui

Lambda Logs API hero image

Yan Cui | Nov 12 2020

Lambda Logs API: a new way to process Lambda logs in real-time

AWS released Lambda Extensions just over a month ago, and we explained what...

AWS Lambda Extensions - Blog Hero Image

Yan Cui | Oct 08 2020

AWS Lambda Extensions: What are they and why do they matter

There is a growing ecosystem of vendors that are helping AWS customers gain...

Blog - Lambda Cold Starts

Yan Cui | Sep 20 2020

This is all you need to know about Lambda cold starts

So much has been written about Lambda cold starts. It’s easily one of...

Blog - Debugging Slow Lambda Response Times2

Yan Cui | Sep 03 2020

How to Debug Slow Lambda Response Times

When you build your application on top of Lambda, AWS automatically scales the...

serverless alerts

Yan Cui | Aug 17 2020

What alerts should you have for serverless applications?

A key metric for measuring how well you handle system outages is the...

aws serverless timeouts hero image

Yan Cui | Aug 12 2020

Debugging AWS Lambda Timeouts

Some time ago, an ex-colleague of mine at DAZN received an alert through...

debug lambda performance image

Yan Cui | Jul 01 2020

How to Debug AWS Lambda Performance Issues

Ten years ago, Amazon found that every 100ms of latency would cost them...

Unlocking new use cases with amazon efs and lambda

Yan Cui | Jun 16 2020

Unlocking new serverless use cases with EFS and Lambda

UPDATE 21/06/2020: following the official launch of this feature, we have performed more...

delorian time machine

Yan Cui | May 22 2020

A time machine for your env variables

One of the great things about Lumigo is that it records a lot...

Yan Cui | Mar 12 2020

HTTP API goes GA today!

As you read this, API Gateway HTTP API is now Generally Available. This...

Yan Cui | Mar 05 2020

5 reasons why you should use EventBridge instead of SNS

SNS and SQS have been the goto options for AWS developers when it...

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