On Wed, Mar 18, 2020 at 1:29 PM Alex Miller <alexmil...@apple.com.invalid> wrote: > > > > On Mar 18, 2020, at 05:04, jiangph <jiangpeng...@hotmail.com> wrote: > > > > Instead of automatically and immediately removing data and index in > > database after a delete operation, soft-deletion allows to restore the > > deleted data back to original state due to a “fat finger”or undesired > > delete operation, up to defined periods, such as 48 hours. > > > > In CouchDB 3.0, soft-deletion of database is implemented in [1]. The .couch > > file is renamed with the .<timestamp>.deleted.couch file after > > soft-deletion is enabled, and such file can be changed back to .couch for > > the purpose of restore. If restore is not needed and some specified period > > passed, the .<timestamp>.deleted.couch file can be deleted to achieve > > deletion of database permanently. > > > > In CouchDB 4.0, with the introduction of FoundationDB, the data model and > > storage is changed. In order to support soft-deletion, we propose below > > solution and then implement them. > > > > I’ve sort of hand waved some answers to this in my head, but would you mind > expanding a bit on the advantages of keeping soft-deleted data in > FoundationDB as opposed to actually deleting it and relying on FoundationDB’s > backup and restore to recover it if needed?
From: Panicked User To: Customer Support Subject: URGENT! EMERGENCY DATABASE RESTORE! Dear, I have accidentally deleted my Very Important Database and need to have it restored ASAP! Without this mission critical database my company is completely offline which is costing $1B an hour!!!!! Please respond ASAP! Sincerely, Panicky McPanics
