Seems like great benefits; The hi1.4xlarge configuration is about half the system cost for the same throughput. The mean read request latency was reduced from 1

Seems like great benefits; The hi1.4xlarge configuration is about half the system cost for the same throughput. The mean read request latency was reduced from 10ms to 2.2ms. The 99th percentile request latency was reduced from 65ms to 10ms.