Delete PutBlock GetBlock 0 0.2 380.2 14.4 14.7 20.9 20.9 1.3 214.6 356.8 V2/200 Concurrency V3/200Concurrency 8K vs 100K Container Ops Time(ms) (Lower is better) 0 100 200 300 400 Create

• Zero copy buffers – Simplified IO path for erasure coding • OM - operations per second – Concurrency improvements – Caching background updates – Reducing latency per operation • Impala improvements