Willy-Bas Loos <willybas(at)gmail(dot)com> writes:
> And also: How can i make postgres clean up the files?
> Can it be done without restarting the cluster?
> Will restarting it help?
A restart will clean out temp files. I don't think there's any
terribly safe way to do it without that. You could manually
remove such files that haven't been accessed recently, but the
risk of human error is high.
regards, tom lane