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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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Yan Cui | Mar 12 2020
HTTP API goes GA today!
As you read this, API Gateway HTTP API is now Generally Available. This...
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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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