Introduction Background execution on mobile sounds deceptively simple: run this task even when the app isn't open. Anyone who's actually shipped a production app knows how misleading that sentence is. On both iOS and Android, background tasks live under strict OS control. Battery life, thermal limits,
The DOM performance ceiling When we were architecting our IoT monitoring platform at Hoomanely, we knew device data would scale fast. Our device status dashboard needed to show real-time information across hundreds of connected devices, device IDs, user details, heartbeat status, timestamps, all updating constantly, and we knew from experience
Every social app eventually hits what we call the Feed Scaling Wall. It usually shows up the moment your first power user follows their 500th account, and the once-snappy SELECT * query that powered their feed starts taking 200ms. Then 500ms. Then it times out. To get ahead of this at