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Optimizer: arrival_rate_hz is a flat placeholder, not derived from Prometheus #563
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pipeline.rs:69-71 applies one placeholder arrival_rate_hz to every (metric, spatial filter) instead of scrape interval × series count. Mentioned in #523's empirical-gaps list, no issue filed until now.
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milindsrivastava1997 commentedon Oct 27, 2026
Arrival rate is now derived by rqe-optimizer as series count / scrape interval (
MetricFacts::arrival_rate_per_sec); series count comes from--workload-facts, scrape interval from--data-ingestion-interval-ms. Remaining facts inference tracked in #525.