https://validanytime.com/blog Field notes on trustworthy monitoring — the peeking problem, catching regressions early, and alarms you can actually act on. en-us Sat, 04 Jul 2026 00:00:00 GMT https://validanytime.com/blog/benchmarking-drift-detectors-honestly https://validanytime.com/blog/benchmarking-drift-detectors-honestly Sat, 04 Jul 2026 00:00:00 GMT Benchmark We replayed every detector we ship against labeled synthetic fleets: where CUSUM genuinely wins, where it cries wolf 756 times, and what the budgeted tier trades for its guarantee. https://validanytime.com/blog/cusum-false-alarm-promise https://validanytime.com/blog/cusum-false-alarm-promise Sat, 04 Jul 2026 00:00:00 GMT Calibration A CUSUM tuned for one false alarm per 2,000 points delivered one per 189 on textbook data and one per 13 on realistic texture. The ~154× gap decomposes cleanly — none of it is exotic. https://validanytime.com/blog/monitoring-dashboard-lying https://validanytime.com/blog/monitoring-dashboard-lying Tue, 30 Jun 2026 00:00:00 GMT The peeking problem Every fixed-threshold dashboard false-alarms by design — watch a metric long enough and it will trip. Here's why, and the fix that lets you check as often as you want.