Supported versions and recommended number of instances for High Availability
Supported PostgreSQL versions
PDS supports the following PostgreSQL data service versions:
Data service | Version |
PostgreSQL |
|
Recommended minimum number of instances for High Availability
| Minimum number of instances | Reason |
|---|---|
| 3 | When using Patroni and a distributed configuration store (DCS), three instances guarantee a quorum for leader election. This enables automatic failover if the primary node fails. |