Maximum PostgreSQL connections
To ensure a consistent experience, concurrent database connections are limited based on the node resources.
| Memory | Maximum connections |
|---|---|
| 1 GB | 50 |
| 2 GB | 50 |
| 4 GB | 100 |
| 8 GB | 200 |
| 16 GB | 400 |
| 32 GB | 800 |
| 48 GB | 1000 |
| 64 GB | 1000 |
| 96 GB | 1000 |
| 128 GB | 1000 |
| 192 GB | 1000 |
| 256 GB | 1000 |
| 320 GB | 1000 |
| 384 GB | 1000 |
| 512 GB | 1000 |
Three of these connections are reserved for database maintenance. To serve more clients than your plan's maximum, see Managed PostgreSQL connection pooling.
PostgreSQL is a registered trademark of the PostgreSQL Community Association of Canada, and used with their permission.