"George Pavlov" <gpavlov@xxxxxxxxxxxxxx> writes: > after an attempt at stress-testing my app i started seeing some > corrupted-looking entries in the postgresql query log. for example: It looks like you're getting messages interspersed in the log, ie, single messages aren't written indivisibly. This doesn't affect Postgres itself, but of course makes the log harder to read :-( What PG version is this, on what operating system? Do you have redirect_stderr enabled? regards, tom lane