Re: Remove Deprecated Exclusive Backup Mode

Stephen Frost <sfrost@snowman.net>

From: Stephen Frost <sfrost@snowman.net>

To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

Cc: Robert Haas <robertmhaas@gmail.com>, David Steele <david@pgmasters.net>, Andres Freund <andres@anarazel.de>, Michael Paquier <michael@paquier.xyz>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2019-01-05T18:19:20Z

Lists: pgsql-hackers

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Remove exclusive backup mode
- 39969e2a1e4d 15.0 landed

Greetings,

* Peter Eisentraut (peter.eisentraut@2ndquadrant.com) wrote:
> On 12/12/2018 05:31, Robert Haas wrote:
> > Most of the features I've been involved in removing have been
> > deprecated for 5+ years.  The first release where this one was
> > deprecated was only 2 years ago.  So it feels dramatically faster to
> > me than what I think we have typically done.
> 
> I was just looking this up as well, and I find it too fast.  The
> nonexclusive backups were introduced in 9.6.  So I'd say that we could
> remove the exclusive ones when 9.5 goes EOL.  (That would mean this
> patch could be submitted for PostgreSQL 13, since 9.5 will go out of
> support around the time PG13 would be released.)

I don't agree with either the notion that we have to wait 5 years in
this case or that we've only had a good alternative to the exclusive
backup mode since 9.5 as we've had pg_basebackup since 9.1.

Thanks,

Stephen