#cloud

Posts tagged #cloud

1. Question

   lambda cold starts with node 22: pay for provisioned concurrency or move the API to cloudflare workers?

   ok let me make a question pá. our API (US startup, i'm remote from lisboa) runs on AWS Lambda + API Gateway, node 22, bundled with esbuild, about 2 MB per function. users are mostly US east coast and brazil. problem: p99 on cold starts is about 1.4s and the product people see it in the dashboard every monday. options on the table: provisioned concurrency on the hot functions (finance did not love the number) move…

   Tiago FerreiraSep 29, 20264likes8comments

2. Experience

   closed as informative: the SSRF that read the cloud metadata and still was not "a bug"

   a short angry story, because I need to vent and because "informative" is the most insulting word in bug bounty. a company (private program, calling them "Shipr") had an image import feature. you give it a url, it fetches the image server side and stores it. classic SSRF territory. I pointed it at an internal address that only their own servers can reach, the kind of link to a cloud metadata service, and it happily…

   Nadia BenaliAug 30, 202628likes8comments

3. Article

   Someone else's computer, rented by the hour: what my spare room costs versus the cloud

   Every few weeks someone on here tells me the cloud is cheaper. Sometimes it is. So I sat down with a pot of tea, my power bill, and my receipts, and worked it out properly. I have included the numbers that do not flatter me, because a comparison that only counts one side is an advertisement. What is in the spare room One Dell OptiPlex 7060 Micro, i5-8500T, 32GB, running Proxmox. About a dozen containers and two…

   Graham WhitfieldAug 15, 202620likes14comments

4. Article

   The cost-per-request maths nobody does before launch

   Every few weeks somebody tells me an LLM feature will cost "basically nothing" because the per-token price is small. Then the first invoice arrives. Here is the arithmetic I now ask for before anything ships, using a real feature with the numbers rounded. (I am using illustrative prices: $3 per million input tokens and $15 per million output tokens. Plug in your provider's current numbers. The structure is the…

   Dana KowalskiJul 18, 202616likes8comments