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 1roqeL-003hoW-2O for pgsql-admin@arkaria.postgresql.org; Mon, 25 Mar 2024 20:10:29 +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 1roqeJ-007ZRV-Kl for pgsql-admin@arkaria.postgresql.org; Mon, 25 Mar 2024 20:10:28 +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 1roqeI-007ZRN-TQ for pgsql-admin@lists.postgresql.org; Mon, 25 Mar 2024 20:10:27 +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 4.94.2) (envelope-from ) id 1roqeB-006SiN-Nf for pgsql-admin@lists.postgresql.org; Mon, 25 Mar 2024 20:10:26 +0000 Received: from localhost (localhost [127.0.0.1]) by mailout.easymail.ca (Postfix) with ESMTP id 90B25EDF41 for ; Mon, 25 Mar 2024 20:10:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1711397416; bh=JBlU8X24k/VQbMFHbsHDABe5TPoYX8fFDIVSW6Ra0ZY=; h=From:Subject:Date:To:From; b=t3nVyYMwBUkKWb4+y3Z5tdHuGzr2Vb6iUh6avb/alAScBaVCMc9sNnHLhw4lzgfMd 1OoWwKf8vPEw8j2tKFeQO4WYJHPglUmzXIQ23akH7DovfeE6+fvAtXYdEUdugn/5qg +fRaaAhR5YhO/8A5uzesT7XAjdZSlnJNSPIuBQ+uqEcsNjioo948XPJl3wVnEpxpSl uCDsIGO+vy8bCcCExPPJKQ4YlktSP+6dXbG06Q0zv2oDzKTaaNHHAYiXUwOgEZqKA9 7D6l2uGyuM0gDshXl3/tKq4wM5KZ0Dro/VbjbBfPRf8z3wqnB8L/8fJ/Ze39T2SSl9 YF3gxNyzlRZjA== X-Virus-Scanned: Debian amavisd-new at emo08-pco.easydns.vpn Received: from mailout.easymail.ca ([127.0.0.1]) by localhost (emo08-pco.easydns.vpn [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Duy-Crh3NUGS for ; Mon, 25 Mar 2024 20:10:16 +0000 (UTC) Received: from smtpclient.apple (unknown [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 ECACEEDF36 for ; Mon, 25 Mar 2024 20:10:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=elevated-dev.com; s=easymail; t=1711397416; bh=JBlU8X24k/VQbMFHbsHDABe5TPoYX8fFDIVSW6Ra0ZY=; h=From:Subject:Date:To:From; b=t3nVyYMwBUkKWb4+y3Z5tdHuGzr2Vb6iUh6avb/alAScBaVCMc9sNnHLhw4lzgfMd 1OoWwKf8vPEw8j2tKFeQO4WYJHPglUmzXIQ23akH7DovfeE6+fvAtXYdEUdugn/5qg +fRaaAhR5YhO/8A5uzesT7XAjdZSlnJNSPIuBQ+uqEcsNjioo948XPJl3wVnEpxpSl uCDsIGO+vy8bCcCExPPJKQ4YlktSP+6dXbG06Q0zv2oDzKTaaNHHAYiXUwOgEZqKA9 7D6l2uGyuM0gDshXl3/tKq4wM5KZ0Dro/VbjbBfPRf8z3wqnB8L/8fJ/Ze39T2SSl9 YF3gxNyzlRZjA== From: Scott Ribe Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.500.171.1.1\)) Subject: WAL compression and replica Message-Id: Date: Mon, 25 Mar 2024 14:10:04 -0600 To: Pgsql-admin X-Mailer: Apple Mail (2.3774.500.171.1.1) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk If WAL compression is enabled, does this mean that traffic to a = file-based WAL-shipping standby is compressed? (In other words, WAL = files are sent post-compression?) -- Scott Ribe scott_ribe@elevated-dev.com https://www.linkedin.com/in/scottribe/