Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r6B0p-00HUjl-Py for pgsql-hackers@arkaria.postgresql.org; Thu, 23 Nov 2023 14:49:03 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1r6B0o-001avA-8k for pgsql-hackers@arkaria.postgresql.org; Thu, 23 Nov 2023 14:49:02 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r6B0n-001auv-S1 for pgsql-hackers@lists.postgresql.org; Thu, 23 Nov 2023 14:49:01 +0000 Received: from mail-pj1-x1044.google.com ([2607:f8b0:4864:20::1044]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1r6B0l-006zVn-Kt for pgsql-hackers@lists.postgresql.org; Thu, 23 Nov 2023 14:49:00 +0000 Received: by mail-pj1-x1044.google.com with SMTP id 98e67ed59e1d1-27fe16e8e02so187038a91.0 for ; Thu, 23 Nov 2023 06:48:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700750938; x=1701355738; darn=lists.postgresql.org; h=to:date:message-id:subject:mime-version:content-transfer-encoding :from:from:to:cc:subject:date:message-id:reply-to; bh=47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=; b=FtdI3SmcQpz4136KQbejS4EKjD/uBtnEMmV1SqSEfLHyI9tdqssZBinOqGIZuQaWlc 3r73jsJV0h6IT3h91IS/KbGxWo98MShYKzFWhpnHdE1okmONHQceQ17uzqT6QoMTkJJz HaaSjQIpB6LIkEoYVN3rFSo2hS2wh1Kxprs0PmdBAQNFuzHJb7zimReSo+A2r9w7/FU+ EXiC2HxnlSCFXdqL63h4xsCMZlWLwmEsOVDtgN9Ac9CY+89THbHMG7oPP+zTS9P/LOgB yTkIGGSuCwPfOI9zpPJxgQd6252DAKV7M9qKEglHv7J3NPZZkPh50UxZM5RbNJoQMbAo ibig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700750938; x=1701355738; h=to:date:message-id:subject:mime-version:content-transfer-encoding :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=; b=flgfZEEW0HMX/HU1Y2Vd1vVvDKH3Fcg+Ybh1A7KffbBmlm/qQuTJ/RyPpxYDyEfPYn A0vMRlBm9DlrXMhh0jGw6uqJHwDOk9JQSrn12k3lnWxlQfFY5GV5lRS1pDVoMZruFWOn tficuWfZhbEngPLmH6BkBFjJvwM7wR+ieZ4RI5DnOV6DW3gz4mTssGdn3N25RIHx+DE1 s6QGBCUHON5sj8hW0L4yeFh+2Ki1LO7aFE1UORvqm/ypRPJdK8RQnruLnjpKsZRE0/8B 95zXpUjt3R+bY1ikOynyXxXHMZEfa6VJ6IPRAqLs+kCSo7skZf0N0obrjvei90TOw95c IiFQ== X-Gm-Message-State: AOJu0YwpkkGvGh4StrH6os1rbyRp7vBUcxMSlU1foaENR8jdHXW82iHO d+HGQTQ2uzebUVG9QfmsOLLNyvCArgotWPxf X-Google-Smtp-Source: AGHT+IFZVOaZoxKNoYhkqYkl0UoCAQegsWYUtCwd57E8rGB9nWj9tZWL4wN4DVLZP7eHrW7h91iH1Q== X-Received: by 2002:a17:90b:891:b0:283:a179:963f with SMTP id bj17-20020a17090b089100b00283a179963fmr5702863pjb.2.1700750937940; Thu, 23 Nov 2023 06:48:57 -0800 (PST) Received: from smtpclient.apple ([2406:da18:b85:4100:7f49:f8c1:c073:ff0d]) by smtp.gmail.com with ESMTPSA id v2-20020a170902d68200b001cc530c495asm1440676ply.113.2023.11.23.06.48.56 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Nov 2023 06:48:57 -0800 (PST) From: jacktby jacktby Content-Type: text/plain Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.600.7\)) Subject: Does pg support to write a new buffer cache as an extension? Message-Id: <186B63F3-76A0-4FEE-90D2-0838D17FB70D@gmail.com> Date: Thu, 23 Nov 2023 22:48:45 +0800 To: pgsql-hackers@lists.postgresql.org X-Mailer: Apple Mail (2.3731.600.7) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk