Rankings, technical studies, and notes.https://coalescence.alejandro-alvarez.com/https://coalescence.alejandro-alvarez.com/articles/connection-pool-saturation/https://coalescence.alejandro-alvarez.com/articles/connection-pool-saturation/A saturated pool does not show up as slow queries. It shows up as fast queries with a long queue in front of them, and percentile latency measured at the wrong boundary will not see it at all.Tue, 28 Jul 2026 00:00:00 GMTperformancedatabasesobservability