Re: Incremental backup
| От | Peter J. Holzer |
|---|---|
| Тема | Re: Incremental backup |
| Дата | |
| Msg-id | YXujJqYBxxWppK/Q@hjp.at обсуждение исходный текст |
| Ответ на | Re: Incremental backup (Mladen Gogala <gogala.mladen@gmail.com>) |
| Ответы |
Re: Incremental backup
|
| Список | pgsql-general |
On 2021-10-28 21:14:53 -0400, Mladen Gogala wrote:
> On 10/28/21 18:07, Andreas Joseph Krogh wrote:
> I think everybody agrees that incremental backup per database, and not
> cluster-wide, is nice, and it would be nice if PG supported it. But, given
> the way PG is architectured, having cluster-wide WALs, that's not an easy
> task to implement.
>
> I am not advocating for the database level incremental backups, but all
> databases that have it also have cluster wide/instance wide WAL logs. Cluster
> wide WAL logs do not make database level incremental backups hard. Both Oracle
> and DB2 have database level incremental backups and both have cluster wide WAL
> (redo or logs).
I was not aware that Oracle even has something equivalent to a Postgres cluster.
hp
--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp@hjp.at | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"
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