Re: Tablespace size in TB

Jan Karremans <karremans.ja@gmail.com>

From: Jan Karremans <karremans.ja@gmail.com>
To: masheed ullah <masheedullah@gmail.com>
Cc: Laurenz Albe <laurenz.albe@cybertec.at>, Thiemo Kellner <thiemo@gelassene-pferde.biz>, pgsql-general@lists.postgresql.org
Date: 2026-05-03T12:47:56Z
Lists: pgsql-general
You can safely recommend pgBackRest as several PostgreSQL companies have already stepped up to take over/fork pgBackRest.

> On 3 May 2026, at 14:30, masheed ullah <masheedullah@gmail.com> wrote:
> 
> The issue is, 13tb database BARMAN backup is taking 20 hours and restore takes 24 hours.
> So the main agenda is to reduce the backup time to less than 10hours.
> 
>  So does any solution/ tool I recommend to client.
> 
> . I just checked pgBeckRest has no more support, so I can not suggest it to client.
> 
> On Sun, May 3, 2026 at 3:25 PM Jan Karremans <karremans.ja@gmail.com <mailto:karremans.ja@gmail.com>> wrote:
>> My thinking would be to have the different directories on different tiers of storage.
>> 
>> Cheers,
>> Jan
>> 
>> > On 3 May 2026, at 14:21, Laurenz Albe <laurenz.albe@cybertec.at <mailto:laurenz.albe@cybertec.at>> wrote:
>> > 
>> > On Sun, 2026-05-03 at 14:10 +0200, Jan Karremans wrote:
>> >> Contrary to Oracle, a table space in PostgreSQL is a directory. And not a logical abstraction.
>> >> Moving tables from one table space to another becomes so much easier by that.
>> > 
>> > I am confused.  Yes, if you have more than a single (default) tablespace,
>> > moving tables between tablespaces becomes possible and hence easier.
>> > But why would you want to move tables between tablespaces in the first place?
>> > 
>> > Yours,
>> > Laurenz Albe
>> 
> 
> 
> 
> --
> Best Regards, 
> Masheed Ullah 
> 
>