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From: Pär Mattsson <[email protected]>
To: adnan salam <[email protected]>
To: [email protected] <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: PGbackrest very slow!
Date: Thu, 23 Oct 2025 18:07:40 +0000
Message-ID: <AM0PR03MB5556B3B64846514A22F918E2A2F0A@AM0PR03MB5556.eurprd03.prod.outlook.com> (raw)
In-Reply-To: <[email protected]>
References: <CAE9Bupympsqn=7emjt6T5ug6dg1yKKsBRTx9Venf2cZWULZQtw@mail.gmail.com>
	<[email protected]>
	<CANzqJaDqRbD4OgF84CKQ+MQNMYZydnkH=gr7Os=BpWhARG8fwg@mail.gmail.com>
	<[email protected]>

Thanks

Mvh Pär
________________________________
Från: adnan salam <[email protected]>
Skickat: Thursday, October 23, 2025 7:54:40 PM
Till: [email protected] <[email protected]>; Pgsql-admin <[email protected]>
Ämne: Re: PGbackrest very slow!

Hi,

Increase the Parallel processes for pg back rest backup.

Regards,
Adnan

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On Thu, 23 Oct 2025 at 19:22, Ron Johnson
<[email protected]> wrote:
On Thu, Oct 23, 2025 at 9:14 AM Scott Ribe <[email protected]<mailto:[email protected]>> wrote:
> On Oct 23, 2025, at 2:59 AM, Pär Mattsson <[email protected]<mailto:[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.

--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!


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