thomas(dot)revell(at)powerconv(dot)alstom(dot)com writes:
> I'm currently looking at using WAL / PITR backups for a database, and I
> need to keep the backups as up to date as possible. As such, keeping a
> copy of the current WAL file, as suggested in the manual, would seem to be
> a very good idea. I'm slightly confused, though, about which file is the
> current. I had assumed that it would always be the highest numbered,
No. Go with the most-recently-modified. Segment files are normally
created (or renamed into place) in advance of being needed.
There should probably be a cleaner/more reliable way of identifying
the active file ...
regards, tom lane