Added
pg_stat_checkpointercollector (PostgreSQL 17+) - checkpoint operationspg_stat_iocollector (PostgreSQL 16+) - I/O statistics by backend typepg_stat_walcollector (PostgreSQL 14+) - WAL generation statisticspg_postmaster_start_time()collector - server startup timestamppg_stat_databaseper-database collector - conflicts, deadlocks, temp files