Le reste de la formation est réservé aux inscrits.
S'inscrire gratuitement-- Identifier les attentes SELECT wait_event_type, wait_event, COUNT(*) FROM pg_stat_activity WHERE state='active' GROUP BY 1,2 ORDER BY 3 DESC; -- Wait events courants : Lock, IO, LWLock, BufferPin, WALWrite -- Extension pg_wait_sampling pour profiling détaillé CREATE EXTENSION pg_wait_sampling; SELECT * FROM pg_wait_sampling_profile;