Track memory usage, connected clients and command throughput on Redis and Redis-compatible caches.
Redis 6+ ACLs let you grant read-only, non-destructive command access instead of sharing the full AUTH password.
ACL SETUSER zynty_ro on >STRONG_PASSWORD ~* +@read +client|info -@dangerous
Redis needs no separate port configuration beyond the standard 6379 unless you've changed it.
Rising evicted_keys alongside high used_memory usually means it's time to either scale memory or revisit your key expiration policy, catching this trend early avoids a cache stampede.