Software Engineering KB

Home

❯

07 Reliability and Operations

❯

00 Observability

❯

01 Concept

❯

Percentiles

Percentiles

Feb 10, 20261 min read

  • observability
  • metrics
  • percentiles

Percentiles

← Back to Metrics

Statistical measures that describe the distribution of values. p50 (median), p95, p99, and p99.9 are far more informative than averages for understanding latency, as averages hide tail latency that affects real users. High percentiles reveal the worst-case experience.

Key Properties

  • Tail Latency
  • Percentile Calculation
  • Averages vs Percentiles

observability metrics percentiles


Graph View

  • Percentiles
  • Key Properties

Backlinks

  • Metrics
  • Tail Latency

Created with Quartz v4.5.2 © 2026

  • GitHub