Workload patterns where a small, partial index dramatically outperforms the obvious full index.
What Performance Insights covers, what Pganalyze still wins at, and where a human DBA beats both.
The pattern that takes a 50 ms endpoint to 2 s under load — how to find and fix it in Rails, Django, Hibernate, and Prisma.
A step-by-step process for 2–5 person engineering teams to extract the real slow queries worth fixing first.
Every new composite index speeds reads but slows writes — how to quantify the tradeoff before you CREATE INDEX.
Why autonomous query optimizers are dangerous in production and how expert-assist workflows catch what AI misses.