Amazon ElastiCache for Redis version 7.1 is now generally available. This release contains performance improvements which enable workloads to drive higher throughput and lower operation latencies. ElastiCache customers can achieve over 1 million requests per second per node on r7g.4xlarge or larger. Amazon ElastiCache for Redis version 7.1 can achieve up to 100% more throughput and 50% lower P99 latency, compared to Elasticache for Redis version 7.0.
Source:: Amazon AWS