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 1ljolS-0005Ro-DO for pgsql-hackers@arkaria.postgresql.org; Thu, 20 May 2021 19:55:26 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ljolQ-0006G8-VK for pgsql-hackers@arkaria.postgresql.org; Thu, 20 May 2021 19:55:24 +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 1ljolQ-0006G0-Kw for pgsql-hackers@lists.postgresql.org; Thu, 20 May 2021 19:55:24 +0000 Received: from mail-oi1-x236.google.com ([2607:f8b0:4864:20::236]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1ljolO-0001Cm-6e for pgsql-hackers@postgresql.org; Thu, 20 May 2021 19:55:24 +0000 Received: by mail-oi1-x236.google.com with SMTP id d21so17491901oic.11 for ; Thu, 20 May 2021 12:55:21 -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=oZe3cEolVVk+gkXJy/ERaq9bejBedBofpfcWKlbIDMA=; b=1upQP9MKLAbWmCBiYxf+bvOx/zFyHQ8lQyDocEK0SGM3pTXL4oJvGWnnFBmIhfyQVR 2Lu5RqKiFHlwDdX2iWNNPnk8IRT0Fc1v7NGX4QBzdaDh9l//HGtoSnobATZjNNSMtEZY jrEW8qu2AUxDSYqjJlqLcBmxLaHRLvg4bTtK/ephQ7CBCEWYMQ5S+vnRXjTC4BFhXaXM yGNuOvcVjIC6fyMDmb6ikyrpm+5Bb9NAVBZt/fAJhYNqqUDNDcWL5txZ4MSetmidxWhE b8cXgb0I7oMkbBP1Q7ZBVRNo7NLpaGxKcyw+b48X4ER2FSAx2EVVr0wJUEuTniYDNq3h olqA== 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=oZe3cEolVVk+gkXJy/ERaq9bejBedBofpfcWKlbIDMA=; b=Iy+OlBsZqCDyiktoDNbPIFKZnU47ls/k+9GjBM77+VMK0dgaIQhn6HZ3qxEvKAIsZh egpl36oplQ8s9STOgaINrtdfK6FDAjNA5kmUWO71f480c0gcBD56AOMSjQqvMlMSUXET cXjoVRHS5ybwQ3iIVshRTlgJ3VFq/B9Oa6p2RK//UnnSoMtNr/B9c9FxHfN0nSPDdgi4 zFo8PLbFmp4GH1tVRz1WefRUPI4nbCeefYNpNfDzHNlpzy+fTqX8VIJT4TwoIGRh0Eh3 OoP+wXthZ4LcPyIeK4LWKPL1QADrNgIOWxTkzA7qLUL67sFAceJBZL1g31fkHB8oR3Fp E0pA== X-Gm-Message-State: AOAM532DdZymGNIplYGwiInak4UkJxSEvpIz0MtNPP0N9SxAaVttY1s7 lWk8/7/G62Y8zbTOXMiuBrS1hA== X-Google-Smtp-Source: ABdhPJx6WX2s2WfP1MlVl67tpyP1/BY9+QZ0U/VVwLfHHdl5kVVxcdAorVzXxfDTfzgfUhEpVDRUgA== X-Received: by 2002:a05:6808:10cd:: with SMTP id s13mr4710779ois.113.1621540520346; Thu, 20 May 2021 12:55:20 -0700 (PDT) Received: from pryzbyj.telsasoft (charmander.telsasoft.com. [50.244.222.1]) by smtp.gmail.com with ESMTPSA id s76sm725376oie.50.2021.05.20.12.55.19 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 May 2021 12:55:19 -0700 (PDT) Received: by pryzbyj.telsasoft (Postfix, from userid 1000) id 8C6958009D6; Thu, 20 May 2021 14:55:18 -0500 (CDT) Date: Thu, 20 May 2021 14:55:18 -0500 From: Justin Pryzby To: Bruce Momjian Cc: pgsql-hackers@postgresql.org Subject: Re: PG 14 release notes, first draft Message-ID: <20210520195518.GF3676@telsasoft.com> References: <20210510060308.GC6088@momjian.us> <20210519143908.GU373@telsasoft.com> <20210520194446.GD8971@momjian.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210520194446.GD8971@momjian.us> 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 Thu, May 20, 2021 at 03:44:46PM -0400, Bruce Momjian wrote: > > | Reduce the default value of vacuum_cost_page_miss (Peter Geoghegan) > > | This new default better reflects current hardware capabilities. > > Also say: the previous default was 10. > > Uh, we didn't report the new value, so why report the old one? Good point. For symmetry with this one, maybe the old and new values should be included? |Change checkpoint_completion_target default to 0.9 (Stephen Frost) |The previous default was 0.5. -- Justin