serverless

AWS just shipped something that reframes what “serverless” can mean. Lambda MicroVMs are not Lambda Functions with a bigger timeout. They are a fundamentally different primitive: stateful, VM-level isolated environments with an explicit lifecycle you control. The key shift: instead of getting a recycled process for 15 minutes, you get a dedicated Firecracker microVM that lives up to 8 hours — and you decide when it starts, suspends, resumes, and terminates....

SQS is cheap until it isn’t. Real example from the wild: $500k in a weekend — and Amazon reportedly asked the team not to delete everything at once in certain regions, as it could impact the service. The usual culprit isn’t message volume; it’s how often you call ReceiveMessage when the queue is empty. How SQS Billing Works You pay per request (SendMessage, ReceiveMessage, DeleteMessage, etc.), not per message. Standard queue: about $0....