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 1utLTc-005Jdm-Hz for pgsql-docs@arkaria.postgresql.org; Tue, 02 Sep 2025 07:30:49 +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 1utLTb-002TPX-Mi for pgsql-docs@arkaria.postgresql.org; Tue, 02 Sep 2025 07:30:48 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1utLTb-002TPP-FG for pgsql-docs@lists.postgresql.org; Tue, 02 Sep 2025 07:30:47 +0000 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1utLTa-0007Wx-0g for pgsql-docs@lists.postgresql.org; Tue, 02 Sep 2025 07:30:47 +0000 Received: by mail-wr1-x42a.google.com with SMTP id ffacd0b85a97d-3c68ac7e18aso3205230f8f.2 for ; Tue, 02 Sep 2025 00:30:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec.at; s=google; t=1756798245; x=1757403045; darn=lists.postgresql.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=cH2uZ5iZZVEfLeJ5gUpOgfjePlgf0X4ybWDmb2QbYkc=; b=r03dr7AJgR/XQmMELQ47U5dtgcp+M8fNlVetbPJPEwPrJ93dRpYO1Ctvlr52XmTZgS pKoyR7krQSOS4fpIi4huw+EJhbiA8YKgJxZECNY6N4vcm1AbJLXkr44pHQpuJA8v/kc9 kzyvjyEtfemrXmPicI5Y3h6PKrWbgVbfDZWdASU0CnIDOwFJ9OODzVS5NcwqjupnNvwO eXe5R4T8+H7kpJMqaMDW5llkBKFQrvFkGqhsGnUdSoaP2wU9GjfoJRZTzDJpadFPUgM4 8A4PmsOmGTQoWE/ZtRdexbnaU9MC6+WKFbgikEJToUSwYYYN36yHEHu13DGQVrjkbdKr Og5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756798245; x=1757403045; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=cH2uZ5iZZVEfLeJ5gUpOgfjePlgf0X4ybWDmb2QbYkc=; b=pBgAHOoP4NsysHZTKECg8kQ7CYzX7/s/GD4E0D98EIcbOVUckO3HoGHhxIw/oOJMzr mEhn5NSO9u1Bl6GQLbfcoiLv3lnEH5WEujvGdmJMtqSSzDdlneY3r9l/k9U/+4gghsFw LJN45tcK0aoIrlq8xN+tpqJ7+t/AkaB8/67RJcF3EIJZd/vLIwYwObhhBW+bFbzjtp6H 7SMEXKE7tN20b5sU7c/Ogrqjaq7s3kjPjC40A5IFcSoPlXO6MWx8PpkBtLJyt9KPyzHV ZI5y3umhN7UlYJag6IiBuo+xCZvKq9Qn9gGE4K19n1kDMn4s9X2d1y46AuXbIFXzEjN0 faBQ== X-Gm-Message-State: AOJu0Ywclt1Aa8Yk6v+Z7b5YyN64ck0sZQJYSs9SU6c+uvDgh8W4mNtU gko4rILGbt1NTIHR5Z0N0TMISl2kFC/iRHN/LabVc7IM2iqs6BLyWa4QUYux+jxRWNw= X-Gm-Gg: ASbGncvXbhD/LlU2wDwCK76KuZF0qKgQ7NRXOdCTyGsRkM+0/yMYJdKWlcG+KJvO4F9 Fsj9xtVEoWhqMxwGPhoxyUQEFivpM7lTzHGC1kH2Ar4W16cJjCgaG7o85P8Bmj579emwvnkQ0T9 bU01n5Cv1UQIkzoADgewQ3Pep+E/Snkvt6vBgIJ0H3RXT5ZECB3ZIGu8/pptdRCWhcXCP775jl0 vBnlpvy0wv53WyrZkKWREQL7OlvtoIvMXaYJSB8Dai7TU6aqfxPPq2KlZB6pxHKZCUOK0skt2fg apxiJ1m1nJq9PUh2eGjGNkmFMCQqN5OYG4NqT5RnHGwWvs/VmGqFMSu4h+QGKIINWl7vqtU6xht 7yQKAtEReFHPSMRgc6WOPtBQnbabjdnV5vC22w2JgGsgH91xav03dTVPA7hUTWbKWiA9085ko9Z M= X-Google-Smtp-Source: AGHT+IHVGRHteFwEJGC3hvyoOpW2kzrBKJ4tAEUGfZX+BUR1pwACSCRZjViMPsDEwNs3+EyDHrRi6g== X-Received: by 2002:a05:6000:2012:b0:3b9:55b:5bbe with SMTP id ffacd0b85a97d-3d1dc78e68fmr8430574f8f.10.1756798244737; Tue, 02 Sep 2025 00:30:44 -0700 (PDT) Received: from laurenz.albe-K4N0CV00F97414D ([2001:871:260:4d40:896e:d702:196e:5a83]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3d690f2edf1sm7744552f8f.16.2025.09.02.00.30.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Sep 2025 00:30:44 -0700 (PDT) Message-ID: <86225270c768a22481309d9d58cdfbcd27e14f5b.camel@cybertec.at> Subject: Re: Inaccurate statement about log shipping replication mode From: Laurenz Albe To: Artem Gavrilov , Michael Paquier Cc: pgsql-docs@lists.postgresql.org Date: Tue, 02 Sep 2025 09:30:43 +0200 In-Reply-To: References: <175578964049.806.14564779365418625473@wrigleys.postgresql.org> <568ff8638e011b2726d06a4b95124ec51ee1e5af.camel@cybertec.at> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, 2025-09-01 at 13:51 +0200, Artem Gavrilov wrote: > As I understand in configuration `Master > -> Upstream -> Downstream` replication between Master And Upstream > still can be synchronous, while between Upstream and Downstream is't > always async. Am I wrong here?