Re: Patch to remove sort files, temp tables, unreferenced files

> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >> No we don't. I'm not convinced that we have a problem at all anymore.
>
> > We already know that crashes will leave these files around, and as we
> > start using file versioning for CLUSTER and DROP COLUMN, I expect those
> > orphaned files to continue.
>
> I don't. The intention (not yet implemented, but Vadim's referred to it
> repeatedly) is that relation file creation/deletion will be logged in
> WAL, and so it can be redone or undone after a crash. That seems a much
> more secure approach than anything you've proposed in this thread.

I prefer a WAL cleanup myself, especially if it can be done for 7.2, but
how do we do that without fsync'ing the WAL every time we create a file?

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