/Field note
pg_stat_statements as a Trust Boundary
Why QueryRook treats pg_stat_statements as a safer first evidence source than raw query logs or copied application data.
Open notePostgres research topic
Slow Query Analysis
Daily notes on pg_stat_statements, query fingerprints, EXPLAIN plans, workload evidence, and proof-backed diagnosis.
Published notes
Evidence-backed notes in this cluster.
Editorial queue
Upcoming notes for this topic.
May 9
Detecting Plan Regression With Small Samples
Show how small-sample query analysis should avoid overclaiming while still catching obvious plan regressions.
Before/after plan hashSample-size caveatLatency distribution note