Goost. retweeted
The biggest impact AI has had on my life has been the increased frequency between "it's so over" and "we're so back" going through my head
Goost. retweeted
So sick of seeing non-ai startups with .ai domains
Is this what .com felt like in '98?
Marvel movies to watch before you watch doomsday in december
reelstack-web.vercel.app/Jay…
Spent some time debugging a particularly stupid Postgres failure.
The API was crash-looping on a migration that added a column with IF NOT EXISTS. The migration runner re-ran every migration on every boot. A later migration dropped that column.
Net schema effect: zero.
Address tradeoffs out loud : "I chose eventual consistency here because X" beats silence every time.
Here's the actual procedure interviewers want to see:
Clarify scope: ask about scale, read/write ratio, latency needs. (Skipping this is the #1 mistake; you can't design for a system you haven't defined.)
L4 for websockets: L7 CAN hold the connection, but it's paying to track state on every one. L4 just forwards packets. Cheaper at scale.
Jitter: same backoff schedule for every client = a synchronized retry storm hitting your recovering service at once.
Proximity-Based Services
"Design Uber." "Design Gopuff." Anything location-based needs to answer: find me everything within X distance, fast.
Worth noting: most systems aren't querying globally. Proximity usually means local users looking for drivers, restaurants, or items near them, not anywhere on Earth. Design for that.
Fix: geospatial indexes PostGIS extensions on Postgres, Redis' geospatial data type, or Elasticsearch with geo-queries. The core idea is dividing the map into regions so you can exclude huge swaths of irrelevant area before you even start searching.
Multi-Step Processes
Order fulfillment. Onboarding. Payments. Multiple services, long-running, and it has to survive a service crashing mid-flow.
Handling Large Blobs
Videos, images, docs never route these through your app servers. A 2GB upload has no business passing through your API just to get forwarded to storage.







