Supabase vs PocketBase: Scalability Deep Dive
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Key Takeaways
- ✓Supabase wins on scalability, because Postgres was built for concurrency.
- ✓Postgres serves many concurrent writers through MVCC, scales reads with replicas, and survives being pointed at by hundreds of stateless functions through a connection pooler. PocketBase is a single node with an embedded SQLite file that permits one writer at a time and cannot be horizontally replicated for writes.
- ✓PocketBase wins where the honest ceiling is one machine: it needs no pooler, no replica topology, and no managed service, and a single well-specified box handles far more traffic than most applications ever see.
- ✓Supabase and PocketBase take fundamentally different approaches to scalability in the baas space.
Verdict: Supabase Wins on Scalability
Scalability Overview: Supabase vs PocketBase
Supabase: Scalability Analysis
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Head-to-Head: Scalability Trade-offs
When to Choose Supabase vs PocketBase
Migration & Switching Costs
Frequently Asked Questions
Which is better for scalability: Supabase or PocketBase?
Supabase wins on scalability, because Postgres was built for concurrency. Postgres serves many concurrent writers through MVCC, scales reads with replicas, and survives being pointed at by hundreds of stateless functions through a connection pooler. PocketBase is a single node with an embedded SQLite file that permits one writer at a time and cannot be horizontally replicated for writes. PocketBase wins where the honest ceiling is one machine: it needs no pooler, no replica topology, and no managed service, and a single well-specified box handles far more traffic than most applications ever see.
Can I migrate from Supabase to PocketBase easily?
Migration complexity depends on how deeply integrated your project is. Surface-level usage can be migrated in days. Deep integrations with custom configurations may take weeks. Both communities offer migration guides. Consider running both in parallel during transition to ensure no regressions.
Is Supabase or PocketBase better for startups?
Both are popular with startups. Supabase is often chosen for its mature ecosystem, while PocketBase appeals to startups that value modern architecture. The best choice depends on your team's experience and your specific baas requirements.
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