Supported versions and recommended number of instances for High Availability
Supported MongoDB Enterprise versions
PDS supports the following MongoDB Enterprise data service versions:
Data service | Version |
MongoDB Enterprise |
|
Recommended minimum number of instances for High Availability
| Minimum number of instances | Reason |
|---|---|
| 3 | A typical MongoDB Enterprise replica set (or sharded cluster with config servers) relies on at least three instances, one primary and two secondaries, to maintain high availability and enable automatic failover. |