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==== Transaction Rate ==== A request/response workload on an otherwise idle system can both test latency at the application level (with a single flow), and small packet throughput (when run with parallel flows and threads). A single flow avoids all contention and queue build-up. But idle systems may enter low power modes from which wake-up adds latency. Report both single flow and a setup that gives maximum throughput, for instance. <pre> tcp_rr [-c -H $SERVER] tcp_rr -T $NUM_CPU -F 10000 [-c -H $SERVER]</pre> Neper reports 50/90/99% application-level latency. <span id="packet-rate-1"></span>
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