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 1la8UK-0003pS-1t for pgsql-hackers@arkaria.postgresql.org; Sat, 24 Apr 2021 02:57:44 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1la8UI-00027I-NR for pgsql-hackers@arkaria.postgresql.org; Sat, 24 Apr 2021 02:57:42 +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 1la8UI-00027A-Cl for pgsql-hackers@lists.postgresql.org; Sat, 24 Apr 2021 02:57:42 +0000 Received: from mail-il1-x12d.google.com ([2607:f8b0:4864:20::12d]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1la8UF-0005IW-35 for pgsql-hackers@lists.postgresql.org; Sat, 24 Apr 2021 02:57:41 +0000 Received: by mail-il1-x12d.google.com with SMTP id v13so2526911ilj.8 for ; Fri, 23 Apr 2021 19:57:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telsasoft-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=r0VzvA0lBCM6YmW/JEXhYJ0CqF3J2yx/vQTcnRjZjrs=; b=YaMZ/kiMBx9q1UpbjtKtImCK+jJq794RxnMl4zYH2YNrLf1EvWAarI+SV7XywpmcoD 6kuw5IY6G6qvRD21JmydFQ0wZ/hiGVUa6r0Ie9D9XbkaPB7MHcYFcojrhNMI6tIIwo1t lQtnu3j9iBXnMK6kBF0iFExaalMgA+RGgqXjmjuNmR62vHAA88kQv66monu02JBiiXfZ HttrFOvosLd8a7Dqbdl13N2mX3sOL7/VGw/0HnrClE+9W0gChug5VBnQx1nmqXgPEu6J Fr6NEkpJUNjbZLYtNE7oZnNqcoDVFfy+pjxaNBp3PtbbeF6EDIYUTpOpUMmKRz62I+o/ fdhg== 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:references :mime-version:content-disposition:in-reply-to:user-agent; bh=r0VzvA0lBCM6YmW/JEXhYJ0CqF3J2yx/vQTcnRjZjrs=; b=r16ENnkA9oYFldVbd1NtG7Bd/Z+VIskYCBoDDxdP01/dxtijCN+5oMOiJ9B3vLECJf /epIrD3o28whQSTHqvl+QEZ8rQVVYt+SjhHxhQA0RNThCjG+Xb4gUvUywSVIAbzbbfGM qzVxqE8g9LaeH/+7T6f27Ed1Zr6hmbbdD14C6bVQyt5kWENqI1Ukbn6uc5ySyuTwT0TM sirflC7aEvPceEpKFNXHOeJXWgBVZgL/VN2t0foY1k5mqDT4mmIVAeMw4BDlB2LhsSf1 p3PRdGFVfnsbabJjEHCCrbU/4bdIyqYlOa0fK+bcf/ycDCEO7THgEavhJT3+HxVH1Tah DN9g== X-Gm-Message-State: AOAM533Jiq5fDFJorHqT3xZ0QVzyosYPDDobsgwzQrxqwn+znIprkDAg TRleeEki2uQcpa2H9kZ+DZYz66b67KlxVA== X-Google-Smtp-Source: ABdhPJzdjmfslkqAJp4+yRJTxO1CvWPyf+wMdlmsNIGoELa+xUKtgPC3EgxFMfVEm+xVosmCjxwOrw== X-Received: by 2002:a92:603:: with SMTP id x3mr5333686ilg.215.1619233057117; Fri, 23 Apr 2021 19:57:37 -0700 (PDT) Received: from pryzbyj.telsasoft (charmander.telsasoft.com. [50.244.222.1]) by smtp.gmail.com with ESMTPSA id n1sm3586282ion.22.2021.04.23.19.57.35 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 23 Apr 2021 19:57:36 -0700 (PDT) Received: by pryzbyj.telsasoft (Postfix, from userid 1000) id 2341C800A1A; Fri, 23 Apr 2021 21:57:35 -0500 (CDT) Date: Fri, 23 Apr 2021 21:57:35 -0500 From: Justin Pryzby To: Michael Paquier Cc: Tom Lane , Bruce Momjian , pgsql-hackers@lists.postgresql.org Subject: Re: [PATCH] force_parallel_mode and GUC categories Message-ID: <20210424025734.GP7256@telsasoft.com> References: <20210409031718.GO6592@telsasoft.com> <20210409113928.GA12919@momjian.us> <2746080.1618206052@sss.pgh.pa.us> <20210413123139.GE6091@telsasoft.com> <20210423182326.GK7256@telsasoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Sat, Apr 24, 2021 at 10:50:21AM +0900, Michael Paquier wrote: > On Fri, Apr 23, 2021 at 01:23:26PM -0500, Justin Pryzby wrote: > > The patch seems to apply cleanly on v12 but cherry-pick needs help for other > > branches... > > FWIW, this did not seem bad enough to me to require a back-patch. > This parameter got introduced in 2016 and this was the only report > related to it for the last 5 years. No, it's not the first report - although I'm surprised I wasn't able to find more than these. https://www.postgresql.org/message-id/20190102164525.GU25379@telsasoft.com https://www.postgresql.org/message-id/CAKJS1f_Qi0iboCos3wu6QiAbdF-9FoK57wxzKbe2-WcesN4rFA%40mail.gmail.com -- Justin