Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vBv9M-006s2Y-HJ for pgsql-admin@arkaria.postgresql.org; Thu, 23 Oct 2025 13:14:39 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1vBv9K-008l0C-Tm for pgsql-admin@arkaria.postgresql.org; Thu, 23 Oct 2025 13:14:37 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vBv9K-008l04-I1 for pgsql-admin@lists.postgresql.org; Thu, 23 Oct 2025 13:14:37 +0000 Received: from mailout.easymail.ca ([64.68.200.34]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vBv9G-003oDK-3B for pgsql-admin@postgresql.org; Thu, 23 Oct 2025 13:14:37 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id E51E263AED; Thu, 23 Oct 2025 13:14:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1761225271; bh=swR2IxQJre65IVCm6ZDkMlhyR/n4a8wE+gRPdP+PEhs=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=r2z9OXIdW5zT8QHFhk7AYaAxBraEISd5m8W5EwBKCjmfVyuNkmIfHSHbLNwRa9/FM Kvidvb0iUsIze49fyS1oroRscpKlc9qFuXIm2Az8gxd8Xz1lXNqM+6jxuLQwUoGn1+ zmiPQLYUl1JFkti25vvihh2ZoKpSMVdT97sYNwgqoMJ5OSuT7U1e8V5DyVHhrQKOwZ aAf0+z5qpzssp2KzdxVshteYYUwB2/ebhqc2PX9InlRkNMMYwxVrPAqS5aACEkA5jm kY4FVq9jI7EIAWoJgX4MjkoTdeDIbzdcUXl+kg9MPtZcYv+mHFlBk7D8uGaDKkiLtN CMSMUuDFREeEA== X-Virus-Scanned: Debian amavisd-new at emo09-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo09-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dCfdoV1NAsGe; Thu, 23 Oct 2025 13:14:31 +0000 (UTC) Received: from smtpclient.apple (165.140.184.195.ip.vcn.com [165.140.184.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mailout.easymail.ca (Postfix) with ESMTPSA id 712E263AE0; Thu, 23 Oct 2025 13:14:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1761225271; bh=swR2IxQJre65IVCm6ZDkMlhyR/n4a8wE+gRPdP+PEhs=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=r2z9OXIdW5zT8QHFhk7AYaAxBraEISd5m8W5EwBKCjmfVyuNkmIfHSHbLNwRa9/FM Kvidvb0iUsIze49fyS1oroRscpKlc9qFuXIm2Az8gxd8Xz1lXNqM+6jxuLQwUoGn1+ zmiPQLYUl1JFkti25vvihh2ZoKpSMVdT97sYNwgqoMJ5OSuT7U1e8V5DyVHhrQKOwZ aAf0+z5qpzssp2KzdxVshteYYUwB2/ebhqc2PX9InlRkNMMYwxVrPAqS5aACEkA5jm kY4FVq9jI7EIAWoJgX4MjkoTdeDIbzdcUXl+kg9MPtZcYv+mHFlBk7D8uGaDKkiLtN CMSMUuDFREeEA== Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: PGbackrest very slow! From: Scott Ribe In-Reply-To: Date: Thu, 23 Oct 2025 07:14:20 -0600 Cc: pgsql-admin Content-Transfer-Encoding: quoted-printable Message-Id: <253B8247-76FC-4827-B8D2-4AD5EFF639EF@elevated-dev.com> References: To: =?utf-8?Q?P=C3=A4r_Mattsson?= X-Mailer: Apple Mail (2.3826.700.81) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On Oct 23, 2025, at 2:59=E2=80=AFAM, P=C3=A4r Mattsson = wrote: >=20 > ... > 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. >=20 > I think backup-standby=3Dy slows down the backup out of all minds. >=20 > Br P=C3=A4r pgbackrest defaults to gzip compression, which is slow--try lz4 and see = what happens