Re: Remove Deprecated Exclusive Backup Mode

On 2/16/19 5:57 AM, Andres Freund wrote:
> On 2019-01-05 13:19:20 -0500, Stephen Frost wrote:
>> 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.
> 
> I don't agree with a general 5 year deprecation window either. But it
> seems pretty clear that there's no majority for removing exclusive
> backups in v12.   I think it'd be good to make the warning about its
> impending death more explicit, but otherwise mark this CF entry either
> as rejected or returned with feedback.

I think there is support for the patch in PG13 so I was planning to move 
it out of the March CF to the first PG13 CF as soon as the app will 
allow it, i.e., once there is only a single open CF.

Thanks,
-- 
-David
david@pgmasters.net