Supported versions and recommended number of instances for High Availability

Supported Redis versions

PDS supports the following Redis data service versions:

Data service	Version
Redis	7.2.10 7.0.15

Recommended minimum number of instances for Redis (with Sentinel) for High Availability

Minimum number of instances	Reason
3	Each instance runs both Redis and Sentinel processes. A majority of Sentinels (two of three) is needed to detect primary node failures and trigger a failover, keeping the Redis service consistently available.