DBExplore blog — #postgres-18DBExplore engineering posts tagged postgres-18.https://www.dbexplore.com/enPostgreSQL 18 moved the WAL I/O countershttps://www.dbexplore.com/blog/postgres-18-moved-the-wal-io-counters/https://www.dbexplore.com/blog/postgres-18-moved-the-wal-io-counters/pg_stat_wal lost its write and sync columns to pg_stat_io in 18. Nothing errors. The numbers just stop arriving, and most monitoring never notices.Wed, 16 Sep 2026 00:00:00 GMTKarthik Mpostgres-18postgres-internalsmonitoring