Determining current WAL

Hi,

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, but
it seems that in some cases this is not always dated as the most recently
modified (this seems to occur after taking a full backup during some of my
test cases). My question, then is whether I was correct in my original
assumption, or whether the current WAL is in fact the most recently
modified.

Apologies if I'm missing something really obvious, but I've searched the
mail archives and the web and haven't been able to find anything relevant.

Regards

Thomas Revell


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