Re: Postgres DB backup is taking too much time

From: masheed ullah <masheedullah(at)gmail(dot)com>
To: Ilya Anfimov <ilan(at)tzirechnoy(dot)com>, pgsql-performance(at)lists(dot)postgresql(dot)org
Subject: Re: Postgres DB backup is taking too much time
Date: 2026-05-04 09:58:54
Message-ID: CAHr8x_vygxU0onst=Fto8rGZjRHBz=mefospzziRVN5TXvJkwQ@mail.gmail.com
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Thank you every one for your output.

Although pgBeckRest has no more support.
Should I suggest starting testing backup and restore with pgBectRest?
I did not find any 3rd Party tool.

On Mon, May 4, 2026 at 12:29 PM Ilya Anfimov <ilan(at)tzirechnoy(dot)com> wrote:

> On Sun, May 03, 2026 at 12:42:21PM +0300, masheed ullah wrote:
> > Hi,
> > We have a database of 20TB, and it's taking almost 24 hours to
> complete.
> > While full restore takes 28 hours. Although we have HA enabled with
> > primary and multiple replica's.
> > So we need a solution/tool to reduce the RTO, incase of disk failure/
> > Human error for data/tables deletion.
> >
> > We are using Barman for backup.
>
> First, you'd need engineers to measure -- what's going on.
> Who is the slowest part? The network (most probable)? The post-
> gres replication process? The disk that postgres reads? The bar-
> man itself? Receiver disks/S3 daemon/etc? TLS of one of the
> above?
> Measures is the key. Then the solutions may be searched.
>
> btw, a modern postgres can definitely supply 1GB/s to barman on a
> modern system. This is not a much, and probably could be im-
> proved by special tricks like rsync or manual prefetch or incre-
> mental copies -- however, it's less than 6 hours estimate and
> therefore is fine for you.
>
> > My question is "Are there any tools like ZDLRA appliances for Oracle"
> to
> > reduce the RTO to less than 10 hours".
> > Best Regards,
> > Khattak
>
>
>

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