The following patch adds a GUC variable CHECKPOINT_WARNING which
generates a server log message if the checkpoint caused by WAL file
filling happens more frequently than (default) 30 seconds.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073