Alvaro Herrera <alvherre@2ndquadrant.com> writes:
>> On Tue, Jul 12, 2016 at 2:02 PM, <harukat@sraoss.co.jp> wrote:
>>> It means file 16444 is in STATUS_DELETE_PENDING.
> This file is probably being deleted by a checkpoint after some user
> transaction marked it for removal (either because the relation was
> dropped, or because it got a new relfilenode). I would say that the
> file is not needed for the backup after all and pg_basebackup should
> just ignore it.
Yeah. The question is how do we distinguish that from cases that
are less benign.
regards, tom lane