public inbox for [email protected]  

help / color / mirror / Atom feed

From: Ken Marshall <[email protected]>
To: Ron Johnson <[email protected]>
Cc: Pgsql-admin <[email protected]>
Subject: Re: PGbackrest very slow!
Date: Thu, 23 Oct 2025 09:25:18 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <CANzqJaDqRbD4OgF84CKQ+MQNMYZydnkH=gr7Os=BpWhARG8fwg@mail.gmail.com>
References: <CAE9Bupympsqn=7emjt6T5ug6dg1yKKsBRTx9Venf2cZWULZQtw@mail.gmail.com>
	<[email protected]>
	<CANzqJaDqRbD4OgF84CKQ+MQNMYZydnkH=gr7Os=BpWhARG8fwg@mail.gmail.com>

On Thu, Oct 23, 2025 at 10:21:37AM -0400, Ron Johnson wrote:
> On Thu, Oct 23, 2025 at 9:14 AM Scott Ribe <[email protected]>
> wrote:
> 
> > > On Oct 23, 2025, at 2:59 AM, Pär Mattsson <[email protected]>
> > wrote:
> > >
> > > ...
> > > The backup of 50GB took 40 min.
> > > It is not a network issue. I tested to transfer 2GB between two host and
> > it took 4 sec.
> > >
> > > I think backup-standby=y slows down the backup out of all minds.
> > >
> > > Br Pär
> >
> > pgbackrest defaults to gzip compression, which is slow--try lz4 and see
> > what happens
> >
> 
> lz4 is faster, but not 1440x faster.
> 

But it might be 24x faster, using 2s/GB. :)

--Ken

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected]
  Subject: Re: PGbackrest very slow!
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox