write-ahead logging (WAL)
RU: write-ahead logging (WAL)
Every change is appended to a sequential log before the data pages are written, so an interrupted database can replay or undo the log to a consistent state. PostgreSQL keeps it in pg_wal/.
RU: write-ahead logging (WAL)
Every change is appended to a sequential log before the data pages are written, so an interrupted database can replay or undo the log to a consistent state. PostgreSQL keeps it in pg_wal/.