Supported versions and recommended number of instances for High Availability
Supported Cassandra versions
PDS supports the following Cassandra data service versions:
Data service | Version |
Apache Cassandra |
|
Recommended minimum number of instancest for High Availability
| Minimum number of instances | Reason |
|---|---|
| 3 | Quorum-based replication requires a majority of nodes to validate read/write operations. With three instances, Cassandra can tolerate the failure of one pod while maintaining consistency and availability. |