Re: where should I stick that backup? - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: where should I stick that backup?
Date
Msg-id 20200408194315.GL13712@tamriel.snowman.net
Whole thread Raw
In response to Re: where should I stick that backup?  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Greetings,

* Robert Haas (robertmhaas@gmail.com) wrote:
> On Wed, Apr 8, 2020 at 2:06 PM Stephen Frost <sfrost@snowman.net> wrote:
> > * Robert Haas (robertmhaas@gmail.com) wrote:
> > > On Wed, Apr 8, 2020 at 1:05 PM Stephen Frost <sfrost@snowman.net> wrote:
> > > > What if %f.bz2 already exists?
> > >
> > > That cannot occur in the scenario I described.
> >
> > Of course it can.
>
> Not really. The steps I described involved creating a new directory.
> Yeah, in theory, somebody could inject a file into that directory
> after we created it and before bzip writes any files into it, but
> pg_basebackup already has the exact same race condition.

With pg_basebackup, at least we could reasonably fix that race
condition.

Thanks,

Stephen

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