Hi Robert, On Sat, Aug 31, 2019 at 8:29 AM Robert Haas <robertmh...@gmail.com> wrote:
> On Thu, Aug 29, 2019 at 10:41 AM Jeevan Ladhe > <jeevan.la...@enterprisedb.com> wrote: > > Due to the inherent nature of pg_basebackup, the incremental backup also > > allows taking backup in tar and compressed format. But, pg_combinebackup > > does not understand how to restore this. I think we should either make > > pg_combinebackup support restoration of tar incremental backup or > restrict > > taking the incremental backup in tar format until pg_combinebackup > > supports the restoration by making option '--lsn' and '-Ft' exclusive. > > > > It is arguable that one can take the incremental backup in tar format, > extract > > that manually and then give the resultant directory as input to the > > pg_combinebackup, but I think that kills the purpose of having > > pg_combinebackup utility. > > I don't agree. You're right that you would have to untar (and > uncompress) the backup to run pg_combinebackup, but you would also > have to do that to restore a non-incremental backup, so it doesn't > seem much different. > Thanks. Yes I agree about the similarity between restoring non-incremental and incremental backup in this case. > I don't think it's worth doing that at this point; I definitely don't > think it > needs to be part of the first patch. > Makes sense. Regards, Jeevan Ladhe
