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 1jLYlZ-0002Xk-Jo for pgsql-hackers@arkaria.postgresql.org; Mon, 06 Apr 2020 20:54:45 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1jLYlY-0000gA-Gt for pgsql-hackers@arkaria.postgresql.org; Mon, 06 Apr 2020 20:54:44 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jLYlY-0000g3-9y for pgsql-hackers@lists.postgresql.org; Mon, 06 Apr 2020 20:54:44 +0000 Received: from mail-qk1-x743.google.com ([2607:f8b0:4864:20::743]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1jLYlW-0003K9-9M for pgsql-hackers@lists.postgresql.org; Mon, 06 Apr 2020 20:54:43 +0000 Received: by mail-qk1-x743.google.com with SMTP id o18so14973477qko.12 for ; Mon, 06 Apr 2020 13:54:41 -0700 (PDT) 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=0OF7SHKZuaFXXEnL7PEU76XILMTXdUKRYt22nESIjec=; b=DeEhPlQum7G4kfHSqUfzaD18p28OlKpVBYbBogaa6O8CdRX+fXumSCvJt6T+znK+3N oiLpPQ4MfIQJ2eCZm1E/N1pQP+0H0u4EuRg5oCxqDEMlw0567l9wK9o9yghE97QREqm2 gJBJtisRybar0m0eu0hCl7HNKywNq0AVtNk6exfWKB17Ijcet1S8WOlVsJgyf+7nPrma 5AK6EzZZpmmvyBY/t3gEhM0HbjyJoUWmJiArYmPGwQ/bzC3lyCa2prsVJ60pLfdIyznW zSIaLr4+Jb2UnxVyWUkvd3X4OfY1DhG72mw6zEMtVbvCz6iDE8pcltccVaf+mtuGXvBK ljBw== 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=0OF7SHKZuaFXXEnL7PEU76XILMTXdUKRYt22nESIjec=; b=fTXnr4OHAFqXeumNn90z33JFNV4oS4F7DVWhYlHg9I5qVmg+7pxBZ2nIshlzHwOZ2y 2+yQ/UnmiYwabnDET0XtXpzWxslYt9/OhEz5FozLzJmlwBK16H67cVZU6W0FK87qUtHp j/rmxXHBygHodSnxiTYDE3Qg5q7a2xn0xOTgV/zswaWVxBNVAk+o9AzXRUThEjdni7XL FOAxzUFygHZE8s7EKJ4rQpG6m1MFyCTpa7x0crmeBx3G+wvLNmgSkA/OBcEuAz7SaPvn VNa7O93ZjcIOpO07SvpwSIAn9eIrHIXDJdWHZ6pmixQ+5C938+jcTpLna3eUvA+rKHKo BBqg== X-Gm-Message-State: AGi0PuaZ1sduk94gb7U9A/oGo9alPpS4VDytllTZ0vZnlrdSXeZbBGNV 3mKzh6G/0e1MzhLlnoE6/PXz1g== X-Google-Smtp-Source: APiQypLYZYKOqct4kglDvyo7KIWfjcgvKNOWa7CQlvRJaDX6GG+Y6gZ3jhk8WGWKT7MqemIo3fKJyw== X-Received: by 2002:a05:620a:89d:: with SMTP id b29mr18069315qka.329.1586206480835; Mon, 06 Apr 2020 13:54:40 -0700 (PDT) Received: from nimloth.alvh.no-ip.org ([190.95.18.252]) by smtp.gmail.com with ESMTPSA id h138sm15339081qke.86.2020.04.06.13.54.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 13:54:40 -0700 (PDT) Received: by nimloth.alvh.no-ip.org (Postfix, from userid 1000) id 218EC300A04; Mon, 6 Apr 2020 16:54:38 -0400 (-04) Date: Mon, 6 Apr 2020 16:54:38 -0400 From: Alvaro Herrera To: Tom Lane Cc: Tomas Vondra , James Coleman , Michael Paquier , Rafia Sabih , Peter Geoghegan , Simon Riggs , Shaun Thomas , Dmitry Dolgov <9erthalion6@gmail.com>, Alexander Korotkov , PostgreSQL Developers , Andreas Karlsson Subject: Re: [PATCH] Incremental sort (was: PoC: Partial sort) Message-ID: <20200406205438.GA30063@alvherre.pgsql> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <19920.1586206115@sss.pgh.pa.us> User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2020-Apr-06, Tom Lane wrote: > Locally, things pass without force_parallel_mode, but turning it on > produces failures that look similar to rhinoceros's (didn't examine > other BF members). FWIW I looked at the eight failures there were about fifteen minutes ago and they were all identical. I can confirm that, in my laptop, the tests work without that GUC, and fail in exactly that way with it. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services