rec 100 recs Intuition: use the dataflow graph to extract operator dependencies and system instrumentation to collect accurate, representative metrics. target: 40 rec/s 0.5s 15 ??? Vasiliki Kalavri rec 100 recs Intuition: use the dataflow graph to extract operator dependencies and system instrumentation to collect accurate, representative metrics. x4 instances to keep up with src rate target: rec 100 recs Intuition: use the dataflow graph to extract operator dependencies and system instrumentation to collect accurate, representative metrics. True rate = 200 recs/s x4 instances to keep