Showing posts with the label AWS Lambda

How to Implement Exactly-Once Processing in AWS Lambda and SQS

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You rely on Amazon SQS standard queues for their high throughput and near-unlimited scaling. However, these queues guarantee at-least-once delivery, meaning your AWS Lambda function will inevitably …
How to Implement Exactly-Once Processing in AWS Lambda and SQS

Securing AWS Lambda Egress with VPC and NAT Gateway

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By default, AWS Lambda functions execute in an AWS-managed VPC with no ability to access resources inside your private VPCs or specific internet endpoints. While you can attach Lambda to your own VP…
Securing AWS Lambda Egress with VPC and NAT Gateway

Achieve Sub-Millisecond Cold Starts with Rust on AWS Lambda

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Serverless applications often struggle with high latency during initialization, commonly known as a "cold start." When a request hits your function after a period of inactivity, the cloud…
Achieve Sub-Millisecond Cold Starts with Rust on AWS Lambda

Fixing AWS Lambda 504 Gateway Timeout Errors

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You triggered an AWS Lambda function via API Gateway, but your client receives a 504 Gateway Timeout error after 29 seconds. This happens because API Gateway enforces a strict 29-second maximum int…
Fixing AWS Lambda 504 Gateway Timeout Errors
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