Willy-Bas Loos <willybas(at)gmail(dot)com> writes:
> Will there be a lot of downtime to delete those 90GB of temp files?
> Will postgres just delete those files without processing them or should I
> brace for some downtime?
It's just a directory scan and an unlink() for each file that has
the right filename pattern to be a temp file. If you've got a
reasonable filesystem I wouldn't expect it to take long.
Maybe a minute? (but don't quote me on that)
regards, tom lane