Prisma didn't slow down.

It didn't degrade.

It just… stopped working.

RangeError: Cannot create a string longer than 0x1fffffe8 characters

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That's not a warning. That's not a performance issue.

That's a hard V8 runtime limit .

And once you hit it, prisma generate doesn't get slower — it becomes impossible to run .

No flag fixes it. No config option fixes it. More memory doesn't fix it.

The setup

I'm a solo developer building Fyboard , an enterprise platform.

Current schema:

570 models

1,696 foreign key relationships

384 enums

~ 22,000 lines of schema.prisma

And here's what makes this not an edge case:

This is the schema for 4 modules out of 12 planned .

The schema is going to roughly triple before I'm done. Whatever I built had to handle 1,500+ models without falling over.

I filed a detailed feature request . No response. The schema kept growing.…