System Design

been digging into our payment service and noticed a weird race condition. if two requests hit with the same key at the exact same ms, they both seem to bypass the db check before the insert finishes. anyone else seeing this, or am i missing something obvious with our isolation le…

everyone treats decoupling as some holy grail but we just traded monolithic complexity for distributed system entropy. you aren't scaling your team, you're just adding 10ms of network jitter to every single function call. stop splitting services unless you actually have the traff…