Supported versions and recommended number of instances for High Availability
Supported Consul versions
PDS supports the following Consul data service versions:
Data service | Version |
Consul |
|
Recommended minimum number of instances for High Availability
Minimum number of instances | Reason |
---|---|
3 | Consul uses the Raft consensus algorithm to elect a leader and manage cluster state. Three instances ensure that a majority can still form consensus if one instance becomes unavailable. |