Re: Use durable_unlink for .ready and .done files for WAL segment removal

Hi,

On 2018-09-28 12:28:27 +0900, Michael Paquier wrote:
> While reviewing the archiving code, I have bumped into the fact that
> XLogArchiveCleanup() thinks that it is safe to do only a plain unlink()
> for .ready and .done files when removing a past segment.  I don't think
> that it is a smart move, as on a subsequent crash we may still see
> those, but the related segment would have gone away.  This is not really
> a problem for .done files, but it could confuse the archiver to see some
> .ready files about things that have already gone away.

Isn't that window fundamentally there anyway?

- Andres