Tag
objectives
- Jun 27, 2024 Deriving Latency Targets from Percentile Distributions Why a percentile objective is really a tail-count budget, how bucket layout limits the achievable precision, and what a latency target costs in headroom. observability
- May 13, 2023 Low-Volume Objectives and the Distortion of Counting Qualifiers Why a 99.9% target on a few hundred requests a day cannot be estimated from the data, and how qualifier counting and aggregation windows change the answer. observability
- Apr 18, 2023 Attribution, Turnover, and the Latent Measurement Error in Objectives Why an indicator drifts away from the state it claims to measure as schemas, traffic mixes, and instrumentation change, and how to detect the drift. observability