Supported versions and recommended number of instances for High Availability
Supported MySQL versions
PDS supports the following MySQL data service versions:
Data service | Version |
MySQL |
|
Recommended minimum number of instances for High Availability
| Minimum number of instances | Reason |
|---|---|
| 3 | MySQL’s Group Replication depends on a majority quorum. With three instances, the cluster can lose one member yet continue to accept write operations while still preserving consistency. |