Jesse Cleary <jcleary@xxxxxxxxxxxxx> writes: > One exception is notable - $PGDATA/base/835021/4294967264 - this file > has a size of 0 and a timestamp that coincides with the date and time > range of the nightly run when these errors first appeared. This seems > like a good clue, but not sure what I should do next? Thanks... Hm. I guess the next question is whether any of those 429... numbers appear in pg_class.relfilenode of your database? regards, tom lane