From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WXwnR-0001f9-5d for bitcoin-development@lists.sourceforge.net; Wed, 09 Apr 2014 18:00:25 +0000 Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.219.52 as permitted sender) client-ip=209.85.219.52; envelope-from=mh.in.england@gmail.com; helo=mail-oa0-f52.google.com; Received: from mail-oa0-f52.google.com ([209.85.219.52]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WXwnN-0000aS-TB for bitcoin-development@lists.sourceforge.net; Wed, 09 Apr 2014 18:00:25 +0000 Received: by mail-oa0-f52.google.com with SMTP id l6so3126687oag.39 for ; Wed, 09 Apr 2014 11:00:16 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.60.146.201 with SMTP id te9mr9744830oeb.38.1397066416549; Wed, 09 Apr 2014 11:00:16 -0700 (PDT) Sender: mh.in.england@gmail.com Received: by 10.76.96.180 with HTTP; Wed, 9 Apr 2014 11:00:16 -0700 (PDT) In-Reply-To: <0509477C-89F9-47C7-8820-29ACAD4A4A8E@bitsofproof.com> References: <53456B99.9010207@monetize.io> <00b77560-d7ed-4ed4-a4e5-eb1f00467a06@email.android.com> <0509477C-89F9-47C7-8820-29ACAD4A4A8E@bitsofproof.com> Date: Wed, 9 Apr 2014 20:00:16 +0200 X-Google-Sender-Auth: owyM3fVtOq-wBq_wrsqs2bebkqs Message-ID: From: Mike Hearn To: Tamas Blummer Content-Type: multipart/alternative; boundary=047d7b5d524e7c776504f69fdfac X-Spam-Score: -0.5 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (mh.in.england[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_OBFUSCATE_05_10 BODY: Message is 5% to 10% HTML obfuscation 1.0 HTML_MESSAGE BODY: HTML included in message 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1WXwnN-0000aS-TB Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Bitcoind-in-background mode for SPV wallets X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Apr 2014 18:00:25 -0000 --047d7b5d524e7c776504f69fdfac Content-Type: text/plain; charset=UTF-8 The right way to start with this, if anyone cares, is to add instrumentation to existing SPV wallet apps to report back to home base how long they are running for, how much disk space / RAM they have, and possibly what kind of hardware. I *strongly* suspect that the vast majority of SPV wallets are not left running permanently, and run on laptops where battery life is at a premium. These people will never want to run full nodes. Sorry. I don't think it will ever make sense to run full nodes on consumer hardware again. Our time is much better spent on optimising so it's cheaper for full node operators to run them on cheap virtualised servers. --047d7b5d524e7c776504f69fdfac Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
The right way to start with thi= s, if anyone cares, is to add instrumentation to existing SPV wallet apps t= o report back to home base how long they are running for, how much disk spa= ce / RAM they have, and possibly what kind of hardware.

I strong= ly=C2=A0suspect that the vast majority of SPV wallets are not left runn= ing permanently, and run on laptops where battery life is at a premium. The= se people will never want to run full nodes.

Sorry. I do= n't think it will ever make sense to run full nodes on consumer hardwar= e again. Our time is much better spent on optimising so it's cheaper fo= r full node operators to run them on cheap virtualised servers.
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