Thom Brown <thombrown(at)gmail(dot)com> writes:
> I've just forced a new WAL file by writing lots of stuff to a table, then
> deleting it. It appears to be recyling the filenames now. The latest files
> end in DD and DE, and the earliest is DF. Presumably these will slowly get
> eaten up until it's just down to the 3 files I've configured it for?
The expected steady state is something like 2*checkpoint_segments+1
files. See docs.
regards, tom lane