Pain point · Reliability & bugs · Blocks work
Dev server runs out of memory after about ten hot reloads
3 source threads · first seen 2020-08 · last seen 2025-07
Summary
After upgrading from 9.4 to 9.5, large projects hit a JavaScript heap out of memory error after roughly ten hot reloads, consistently.
- Affects
- Developer on a large project with a custom server
Evidence
Excerpts are copied word for word from the source; follow the link to read it in full.
“Turbopack dev server consumes a huge amount of RAM and CPU, even in an almost empty app with 15 blank routes”
“After 5 mins of using the app (interacting and hot reloading), the server consumes > 4 GB”
“i get an out of memory error after 10 something hot reloads:”