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 1v3Wws-0004cS-GZ for pgsql-general@arkaria.postgresql.org; Tue, 30 Sep 2025 09:47:06 +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 1v3Wwq-008JKI-9S for pgsql-general@arkaria.postgresql.org; Tue, 30 Sep 2025 09:47:04 +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 1v3Wwp-008JKA-UT for pgsql-general@lists.postgresql.org; Tue, 30 Sep 2025 09:47:04 +0000 Received: from mail-ed1-x52a.google.com ([2a00:1450:4864:20::52a]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1v3Wwn-000fsF-31 for pgsql-general@postgresql.org; Tue, 30 Sep 2025 09:47:03 +0000 Received: by mail-ed1-x52a.google.com with SMTP id 4fb4d7f45d1cf-6366b7fd337so545096a12.0 for ; Tue, 30 Sep 2025 02:47:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec.at; s=google; t=1759225621; x=1759830421; darn=postgresql.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=v534uoy0Wu0YI7eW83OXYUqxlt8H9jK1pDbrUssd3JA=; b=mJuudX1hLFNL1U1sgykkU97zYUA6m5h+wr9tWMly6rtGRZVUGT4RUTjNUvTbP+yMvB 2QXiguRZi/uabzW0zC6ixuFtZlqKuUf3ZwDVT7VJ/fv7DJ8eagI60doVkPBu12rOpKTk 4GdDvy7zTqLnwStrEXko4cPynIEgtJRcuBuCc6KCue2UiEzTKDShqvt5U3NFbIoXAWKT nX9OBSqsJ2ucIomb5JROsbJGokVmkPjWm5x/uGUOQC0sH0K6mxnvoQT2Vnil2SgxWANn F70hbwQX9sJscwvIRrSlj1E82xanDFqrRkhfxpyTxu9TLpFypJGGZwGzmFUEOuJeTyUP 5JyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759225621; x=1759830421; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=v534uoy0Wu0YI7eW83OXYUqxlt8H9jK1pDbrUssd3JA=; b=xCXOWOVKvb6TBgdMD4fbNlLzjL7Po/2VgZPXRxcE/Dt53XsQzftcNiEWeGkBegrWS7 Nj8h1g+nKRU8A+75LsLQQm0m7ey0GNfKbYTajpG1HpmG2Jxn0mZq2pNNBdskcAlSsEl1 u2TwwW2QE9SeqLwfH/EH5Vn7SdTnXl80sDnkdl1IAEx8dCWTT6rQQOEPwNnLzBbc8bFV FnIeEBwIAc8PFUM19IuR5PA+SjQvcF164ke7Oyc8vsA+QNeKXb7kGeAMacSceuyuobDf KLQ3YkGix51JMhubPi0SNJ8Dt+VJU1fatEXKDVWJi1qyrEMhicO/iPs7DaITys2AJTJS XIMQ== X-Gm-Message-State: AOJu0YxIVhmORNWjRGha9WsXllWXSaRCQQnt9wVAMRTLVF32+IGk1e1z NBiutl9JkPtkhCDnTgMEWqaO3RC4WvOq6hO2W3Q6gOsFNmbBF9E8QK69Ow3E++hERI4= X-Gm-Gg: ASbGncvnqBMMm/dAMtCUT5vliZxoCQle8kmQWns5CU2zE3lzvRwgKz3+K9orbeSiBqZ bFfLnJs8gm4je6zBLBKGnFS+icZ2jeAWkhmO6SfXyFIOgIecW+vd000kmWL58vw3oGJL84bfZ9M JP++4bqaAk6/BhGhrmuHlcXiGkPLQE8RrOgXkpvL+8uOyEI2XyWnjDGt/62E9p75B/z9n4fMGvC IaZJtMkdvBswUa/cEeRpiYH1KfZaKBeMLGQIlYZyrD8/V6CbKrAFCQVT49+nVdT9gGjdzp1oKCp 4UmK9piv3uQxUug4lV2fTunPzF0VuxhWOl0ledB/N9gRlDx8bx/4EFMNwuzHnE4POECJSUs/2i4 GX+i+FiwMzxIRmsvPiW5YEsCdGRYasrq1ayV91K9v4f/VcLzaGSZTXA1ZYyFJdo5Wkc9GJ4JJGc btkbJUONfExR0= X-Google-Smtp-Source: AGHT+IHBQMt1tRhybXjMkUDLLw+mBPc7F+PgcHZ+ztV08ngyHEwt/eZm+PANNYf1KscDO8UZGnPLyQ== X-Received: by 2002:a17:907:3c8c:b0:b09:c230:12dc with SMTP id a640c23a62f3a-b34b7209e46mr2092724066b.8.1759225621081; Tue, 30 Sep 2025 02:47:01 -0700 (PDT) Received: from laurenz.albe-K4N0CV00F97414D ([88.116.133.170]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b3cf69ffef7sm503898566b.62.2025.09.30.02.47.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Sep 2025 02:47:00 -0700 (PDT) Message-ID: <9db5f4a38ad248accaba926ba75e10ed50e5ef1d.camel@cybertec.at> Subject: Re: Downgrade pgsql 17 to pgsql 12 question From: Laurenz Albe To: Ashish Mukherjee , Merlin Moncure Cc: pgsql-general@postgresql.org Date: Tue, 30 Sep 2025 11:47:00 +0200 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Tue, 2025-09-30 at 13:53 +0530, Ashish Mukherjee wrote: > Now the consideration is to use some other encryption option for the > database which will work fine on pgsql 17. Cybertec's technology is > one route, the other is EDB. I am happy to hear experiences of folks > here with pgsql encryption options for v17 on large databases > (2.5T in our case). I will refrain from making a recommendation, but you should know that data-at-rest encryption will always incur a certain performance penalty. Whatever solution you choose, you should run performance tests. Yours, Laurenz Albe