Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gqTpg-00050Z-W7 for pgsql-committers@arkaria.postgresql.org; Mon, 04 Feb 2019 02:18:01 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gqTpf-0008LU-P2 for pgsql-committers@arkaria.postgresql.org; Mon, 04 Feb 2019 02:17:59 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gqTpf-0008LK-GL; Mon, 04 Feb 2019 02:17:59 +0000 Received: from out1-smtp.messagingengine.com ([66.111.4.25]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gqTpc-0000Mg-0Q; Mon, 04 Feb 2019 02:17:58 +0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 5B5FD2156E; Sun, 3 Feb 2019 21:17:55 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Sun, 03 Feb 2019 21:17:55 -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=B90QRnFmSYx4JKWGq8+OqEsBtM4 /oFc3H14YjhQlOK8=; b=XtBbmZo1W/2H6af/YRs6Yp6jTR9zAh+H98GbiV/OXMQ MjGStWAUTHfjmM63MZGJjTKTK8E6k/KwpnT/qKIORB2cllNMrRe7XkWG4v+vQy/A pHA3HSxI+JaUOzxHCw8gL+R6hyMSX1bgTmuyhq946dSbmcKsVGCjC/JKxhinyDGN zudCl1cs4fd7prvG/whjLQjsGzb+/OHi22weCWRHe9ikMskYCw1/ZL+bW/nTzGaA UAX2fGz5wDHOf8xR3kOHn7msIPs5uWaRIfw466TExnQfmXY28HWPmeoJx+XtDtl1 kSsM+Oa3D3v2ZCbvWYY2olw9t5H64z1f7EDddg9vKRQ== 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=B90QRn FmSYx4JKWGq8+OqEsBtM4/oFc3H14YjhQlOK8=; b=OXCHA3VCLD0naf0Y1SSDXD ZUC3GPpb/dCacFFZF0D6Spu8WqFv3nDAKKKzpsoOmOZNZ+hoUZ0hhTCAzAU7mOHr J+fnAqBvTDJMv9+qe6ZPj8ohonYiweAYJ2PDLutZhcz81ZzMFP2i3T0R1b1Ahtiv c0E7yHl8GGMT6oO1ZrxWOhswJLjeGnT82KjT+suDVoDy8RT/11E/+IL0ZdxmmbEY vPezQaJdFLeEAUoOfvuA/KL4atgozET9P2CgP+OtcRzn1kDMtAzz3Bhc3SBHu45j YXe0FcrH1rwIQcqB0DlZoZKp9n2NUdLkDU6UkKEhinwnTKs6XBesOYuQ4qnjiqHw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedtledrkeefgdegvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfhuthenuceurghilhhouhhtmecufedt tdenucesvcftvggtihhpihgvnhhtshculddquddttddmnegfrhhlucfvnfffucdljedtmd enucfjughrpeffhffvuffkfhggtggujgesghdtreertddtvdenucfhrhhomhepofhitghh rggvlhcurfgrqhhuihgvrhcuoehmihgthhgrvghlsehprghquhhivghrrdighiiiqeenuc fkphepuddukedrvdeguddrvdehtddrvddvheenucfrrghrrghmpehmrghilhhfrhhomhep mhhitghhrggvlhesphgrqhhuihgvrhdrgiihiienucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from paquier.xyz (mp76f1fae1.ap.nuro.jp [118.241.250.225]) by mail.messagingengine.com (Postfix) with ESMTPA id 0C2B4E4543; Sun, 3 Feb 2019 21:17:52 -0500 (EST) Date: Mon, 4 Feb 2019 11:17:49 +0900 From: Michael Paquier To: John Naylor Cc: Amit Kapila , Andrew Gierth , Amit Kapila , PostgreSQL Hackers , pgsql-committers@lists.postgresql.org Subject: Re: pgsql: Avoid creation of the free space map for small heap relations. Message-ID: <20190204021749.GV1881@paquier.xyz> References: <877eepjt3p.fsf@news-spur.riddles.org.uk> <8736pdjq73.fsf@news-spur.riddles.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ck3np9Ek/EMsFxRu" Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk --ck3np9Ek/EMsFxRu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Jan 28, 2019 at 07:20:29AM +0100, John Naylor wrote: > That particular test could be removed -- it's just verifying behavior > that's already been there for years and is a direct consquence of > normal truncation combined with the addressing scheme of the FSM > logic. Moved to next CF, please feel free to continue this work, this is interesting stuff. -- Michael --ck3np9Ek/EMsFxRu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEG72nH6vTowiyblFKnvQgOdbyQH0FAlxXoM0ACgkQnvQgOdby QH3JrBAApNOYZ4N5Wm5SXW3ypQOnHhi2RcIAzOi20+p/Gd0IA/vQujOgkthuo96u m15ZWmYYWgqJDV2LaPIj+T4p+KoYzrslRAI6dFJNaLRmYeRRStTit5sxPn3W7P8U 1be9EHXrT73ohZ0jM8bcaz2n5UF9JE3qwWhVooZj1rgsUIeMHUa9cOPxjYNOb8nM GOO6AVl7goJZbwxStVJBGNflXcczPBVZPqinWWuUNUvzltOnV8js0NvUzSBV4m66 vUa7nZw1H0DlEdR3vSR9qclOtb20GAcLRVCSoJybMT7ahBTfUrTx72qLpcQxBsbs GSxK1g315UMmIeILDTDCldekAbcrIysV2rHB0LTCFtvkqFB80EK1kaHxn9avl3tS Z5VbgrWjlVTZzmYA0sy6yWVlWVjE7qazY6+7NDDcu40Nj97kG9PAv0J9lYQkDZCX SBUVnZVJGhpaK+b4+mTX6H1cynecV7tblEdpI+pMibQ7My1TC86KYDcDqo419msu B3VqyoHJaeAdW+UnbLBOnQwubFqXuC/dpD6GGLrJD0OQObNGJiLwfmjzmPkVCuvk 6Yr/CqjiMdMX4kSaxC6sspuGXxPQZHlYu9jraZULaYYG4MUq0pRXD5fFH7R5eMeV PZOxaMg51EflOlcbArXJPZNT8nqE5vr/9HfnCz3owckaER0I+60= =IzYF -----END PGP SIGNATURE----- --ck3np9Ek/EMsFxRu--