Percentiles Articles

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9/2/2025 • EN

Understanding the P95/P99 Latency Principle: Why the Slowest Requests Matter Most

Explains why P95 and P99 latency metrics are crucial for understanding real user experience, not just average response times.

latency observability Percentiles performance monitoring System Performance

Rajesh P

6/7/2018 • EN

Prioritizing the Long-Tail of Performance

Explains why focusing on median or average performance metrics is misleading and advocates for analyzing the long-tail of data to improve user experience.

data analysis metrics Percentiles performance optimization web performance

Tim Kadlec

6/7/2015 • EN

Moving past averages in SQL (Postgres) – Percentiles

Explains how to use SQL window functions and percentiles in Postgres for more meaningful data analysis than simple averages.

data analysis Percentiles postgresql sql Window Functions

Craig Kerstiens

Percentiles Articles

Understanding the P95/P99 Latency Principle: Why the Slowest Requests Matter Most

Prioritizing the Long-Tail of Performance

Moving past averages in SQL (Postgres) – Percentiles

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