On 11/26/21, 7:33 AM, "Tom Lane" <t...@sss.pgh.pa.us> wrote: > Michael Paquier <mich...@paquier.xyz> writes: >> On Thu, Nov 25, 2021 at 06:19:03PM -0800, SATYANARAYANA NARLAPURAM wrote: >>> If we are keeping it then why not make it better? > >> Well, non-exclusive backups are better by design in many aspects, so I >> don't quite see the point in spending time on something that has more >> limitations than what's already in place. > > IMO the main reason for keeping it is backwards compatibility for users > who have a satisfactory backup arrangement using it. That same argument > implies that we shouldn't change how it works (at least, not very much).
The issues with exclusive backups seem to be fairly well-documented (e.g., c900c15), but perhaps there should also be a note in the "Backup Control Functions" table [0]. Nathan [0] https://www.postgresql.org/docs/devel/functions-admin.html#FUNCTIONS-ADMIN-BACKUP