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 1iejPx-0002Ld-O7 for pgsql-bugs@arkaria.postgresql.org; Tue, 10 Dec 2019 17:35:25 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1iejPw-0006Iu-HW for pgsql-bugs@arkaria.postgresql.org; Tue, 10 Dec 2019 17:35:24 +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 1iejPw-0006Ia-61 for pgsql-bugs@lists.postgresql.org; Tue, 10 Dec 2019 17:35:24 +0000 Received: from mail-vk1-xa44.google.com ([2607:f8b0:4864:20::a44]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1iejPt-0002dx-RF for pgsql-bugs@lists.postgresql.org; Tue, 10 Dec 2019 17:35:22 +0000 Received: by mail-vk1-xa44.google.com with SMTP id w67so2192183vkf.1 for ; Tue, 10 Dec 2019 09:35:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=2ndquadrant-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=dt0JTGkrss8pxB5bJGERRNo1bbQh9L3S0al6AhLmD6k=; b=T6eA28pep15sUKX1KtM+y5fwRyrZvcSCfLu4/qE9uiRHaWyoxdgRl+nzRHn947s9Kk 1MHlw31M2ue2jpNMbleQMIuDpucT3z2J9KrGj5Z+MdvdhEJc4SqSF203gfHcqcwwzZEI PyNOR9cV5YLeFvBUkGhlWtSiwDGoNZ2hTvl5HJm+p5XEDre5Ze16tLMq3rFD9aOZhOEI dcEv3230OhD0H7rrvF2aYvAAfmK9Wx1PBfkYNCVMqBborfL/MT4lrCdwLz62Qv7QQbzH vzjoxvkA5bx5EqSGwlyVcbMvS6IJUObhAqElVbjjJQ2IWR4Y2aWvRk3VZsayydqOkRzQ sE+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=dt0JTGkrss8pxB5bJGERRNo1bbQh9L3S0al6AhLmD6k=; b=PgHOIDntLn9m/0YxeOTBXfT/jpZ8uu02RAcYLBVLTay9akNQLzExmx5OuQoXUpp+DL c8BuCXilTSiCPCWr62K5vAilwY1RtF0/fzKvPwKfZRYjeidj7kDC6fMgMDWaOUVkgf3h SDEMp38R5Jr41hlk0ht+/FWyb0toWusNIjLyTLXxmiANDyapFkZH0BXYe+T+UX1gxAfW kXQCRNunCzFOys9jxSktCMiZdwoQ320BOotBcKN/o0CnkmvTxVNbIjrf/4yh94b3FWeC qIt/HLUxQiMlkg+mQay9YAKI6jLxzyxkcpzWE0i0ZNd7CaL3iU5VkTKThJXVjt2BC3Vy d6Zg== X-Gm-Message-State: APjAAAUY7kM+6IMeGKO9JAJo2LXqnzfHu/9HoFhgJFb+Xg+p+L2aEIsA +rqWfcsqd4EtIZM8S/q3+KpTI7gDW2aCzQ== X-Google-Smtp-Source: APXvYqxBdOUYOzraokdmiGMEW7sp7JHT/zkR+Gib8r53oQ+DILadcNAiyzuKN78gUu908H6szgm9SQ== X-Received: by 2002:a1f:fe4e:: with SMTP id l75mr19655624vki.18.1575999320549; Tue, 10 Dec 2019 09:35:20 -0800 (PST) Received: from nimloth.alvh.no-ip.org ([200.73.2.58]) by smtp.gmail.com with ESMTPSA id z1sm2265234uar.15.2019.12.10.09.35.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2019 09:35:20 -0800 (PST) Received: by nimloth.alvh.no-ip.org (Postfix, from userid 1000) id 4DE033009FF; Tue, 10 Dec 2019 14:35:16 -0300 (-03) Date: Tue, 10 Dec 2019 14:35:16 -0300 From: Alvaro Herrera To: Tomas Vondra Cc: Thomas Munro , Andres Freund , James Coleman , PostgreSQL mailing lists Subject: Re: BUG #16104: Invalid DSA Memory Alloc Request in Parallel Hash Message-ID: <20191210173516.GA10987@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20191210173224.y5vaam6ep7pjmddt@development> User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2019-Dec-10, Tomas Vondra wrote: > It's probably still a good idea to do this, although I wonder if we > might start doing this only when actually running out of bits (and use > the current algorithm by default). But I have no idea if that would be > any cheaper, and it would add complexity. I'm under the impression that this patch is proposed for backpatching, and that in master we can simply increase the hash width. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services