lambda

Jan 26

Cost-Free Waiting in Serverless: The AWS Step Functions Callback Pattern

My Astro Notes

Learn how to use the waitForTaskToken callback pattern in AWS Step Functions to pause workflows without compute charges, achieving 98% cost savings on long-running async operations.

aws sst lambda step functions serverless

May 12 2023

AWS Lambda memory usage

Sergey Melnychuk

AWS Lambda shows memory peak-usage, but when memory usage hits the limit, breaking down where exactly too much memory is being used might be a very useful things. The runtime is kind of a black box (at least in my understanding), so any telemetry/measurements need to be baked into the function....

memory aws rust profiling lambda