Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1krynE-0008Dp-JO for pgsql-bugs@arkaria.postgresql.org; Wed, 23 Dec 2020 07:42:44 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1krymi-0004Z3-2y for pgsql-bugs@arkaria.postgresql.org; Wed, 23 Dec 2020 07:42:12 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1krymh-0004Yw-TG for pgsql-bugs@lists.postgresql.org; Wed, 23 Dec 2020 07:42:11 +0000 Received: from out2-smtp.messagingengine.com ([66.111.4.26]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1krymf-0002Fr-RE for pgsql-bugs@lists.postgresql.org; Wed, 23 Dec 2020 07:42:11 +0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id F3EF75C003A; Wed, 23 Dec 2020 02:42:07 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Wed, 23 Dec 2020 02:42:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paquier.xyz; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=P69vuflY++TNp02qtbbYTOsBOua kVNQfF86de4qzi/c=; b=TR1nqsFWecPzRr8uQY7LUYp+4rhNAOf5CDXwRCnhMrC ce1ivNy0U3IhBunV0GEl4T3ZW7nkbnQgX/7C8FaIyWMXwpe5HrFf6yjeNWasbsnJ 7oqVn5bHz0ENeVPSdmtWJN743B/4sm80x7zEaIC4sLx5bOAmRPOLIRQTCsawLCOi 5UhXtrHxDdVHi2S2noWfL9wae+V9RMF74D/p4SBhgS6t9Hk2Rf8/hVV4uFbI3Shj EO0/pAc1YXR+pYC5rudloozjoP3SgcWdUOv+ZsFBhYGvB7F/ufXID15ifbYMuLsh hYJQTeRjtUquJtjc5Uoxaq2Qkz8UGCN+Ig/54hCx/Zw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=P69vuf lY++TNp02qtbbYTOsBOuakVNQfF86de4qzi/c=; b=lHe5CMMZ6af7bnV0bkIIkA /9VjSP3VSAwZkgI4e+2Vrg6oHPxMRVgX1ziLiT6u2hTOY8grJ29DKsZum6eB4guq JfNXRXgqUWnPeoHtO6dETPz+eE7FLa23JpGWdxwAqtLVA/X8g4Q8XFLUxjc+jsgQ +nq0a3plYFZi+vDaiTBM35Nj8KNLey/DOrlzFqUJfo61vtC3fr16kDmLIw3CzODO Zf4Axm2nF1cfrcAJv4hexIaYl4Hdh8K2bEF1jjs+VTmAuMlXCLar4oR4ikspqVlg 92NFBhH4GFwW4Hv4bBIgnrwrJ+lleFCLsM/eRtgTsMj6z7c1k++Q6fWfMTlp7Gdw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrvddtiedgjeefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucgfrhhlucfvnfffucdljedtmdenucfjughrpeffhf fvuffkfhggtggujgesghdtreertddtvdenucfhrhhomhepofhitghhrggvlhcurfgrqhhu ihgvrhcuoehmihgthhgrvghlsehprghquhhivghrrdighiiiqeenucggtffrrghtthgvrh hnpedvgeduuefhtdeuleettdevjeehheeiveeuieegleetgeeljeelieeuieehgeevhfen ucfkphepudduuddruddtvddrudektddrudekheenucevlhhushhtvghrufhiiigvpedune curfgrrhgrmhepmhgrihhlfhhrohhmpehmihgthhgrvghlsehprghquhhivghrrdighiii X-ME-Proxy: Received: from paquier.xyz (ee0822lan1.rev.em-net.ne.jp [111.102.180.185]) by mail.messagingengine.com (Postfix) with ESMTPA id E6F1624005C; Wed, 23 Dec 2020 02:42:06 -0500 (EST) Date: Wed, 23 Dec 2020 16:42:04 +0900 From: Michael Paquier To: Alexander Lakhin Cc: pgsql-bugs@lists.postgresql.org Subject: Re: BUG #16780: Inconsistent recovery_target_xid handling across platforms Message-ID: References: <16780-107fd0c0385b1035@postgresql.org> <7e691f38-666e-7991-1107-f87608575560@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="79YAB7JPHnDAU/rp" Content-Disposition: inline In-Reply-To: <7e691f38-666e-7991-1107-f87608575560@gmail.com> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk --79YAB7JPHnDAU/rp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Dec 23, 2020 at 09:00:00AM +0300, Alexander Lakhin wrote: > I think that with this change, if the check for epoch will be added > someday, it will work consistently too. WAL record size has always been a sensitive topic, and this would add 4 extra bytes to each record. So that's hard to say. -- Michael --79YAB7JPHnDAU/rp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEG72nH6vTowiyblFKnvQgOdbyQH0FAl/i9MwACgkQnvQgOdby QH2n3Q//aE58jrbtYtPU1bea5x3kkqKM8laEyqp+6JR5b9WpLvfjBYTpfldoFI58 d7edSrpxR0KhbPEodCwox+ixsv3bzW/eKSDAofo3hc4DLBKkQuPjOcjQJxUpbOjY gYpG81krbg9+1uOlm70haXmg/DfikjZnst9WJ4L4ILvD1nBU+vXb7TmT4W0GyONb Qldyq9JTnLCXaWYWj7/6DQUEWuCVS+hQpKDmVUDL5RVvU2x2FURpY27BHf7nMfMk WkBQ4Xp90ejd72HJweWNIuFm5z6RCuZ1qtHVWjbqkO44mbdAz+A1vwYH+Nf+RRpY aqHS7Qxws181JS85KMENmMZhL0pwpBw+xDPvyc4i/ChbKrARFWoUvsbYdPiuLeN1 m/dRsFC4oZLjB/4DXOzsaLbbYRjLizRnokM+soEhLnB1sEffTKo6dZjMm8a0rEw6 MpcInkaXy2WC/Utwf+OkRzBRdgqtC1UpXD7VO6/0mPu/xi9tUFkYij6aZZaZIgm2 zQSwhel0YfOfdZJ3iy3SFTylgywdC4gwGHW6JvNUYS2Q/boY3WF8ZdI4TMuHIYH9 XocBRMZJFQDlf6s597sDzljUjzXQT+oDENdOWlCrysiw3ZpbkrOQsp9TL62+zqYI 2orlNX0NEi7msi8NX2NzIIaK8Gh8bmPrc/DcPzSWKyzRVP2Q760= =YH13 -----END PGP SIGNATURE----- --79YAB7JPHnDAU/rp--