Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WXEpt-0006aL-RN for bitcoin-development@lists.sourceforge.net; Mon, 07 Apr 2014 19:04:01 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.215.50 as permitted sender) client-ip=209.85.215.50; envelope-from=gmaxwell@gmail.com; helo=mail-la0-f50.google.com; Received: from mail-la0-f50.google.com ([209.85.215.50]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WXEpt-00053I-3o for bitcoin-development@lists.sourceforge.net; Mon, 07 Apr 2014 19:04:01 +0000 Received: by mail-la0-f50.google.com with SMTP id pv20so5176558lab.37 for ; Mon, 07 Apr 2014 12:03:54 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.152.30.101 with SMTP id r5mr20227lah.78.1396897434481; Mon, 07 Apr 2014 12:03:54 -0700 (PDT) Received: by 10.112.89.68 with HTTP; Mon, 7 Apr 2014 12:03:54 -0700 (PDT) In-Reply-To: <8A6DEBA4-EA59-4BAE-95CF-C964C2DBB84B@bitsofproof.com> References: <5342C833.5030906@gmail.com> <6D430188-CE00-44B1-BD8C-B623CF04D466@icloudtools.net> <6D6E55CE-2F04-4C34-BEE6-98AEF1478346@bitsofproof.com> <8A6DEBA4-EA59-4BAE-95CF-C964C2DBB84B@bitsofproof.com> Date: Mon, 7 Apr 2014 12:03:54 -0700 Message-ID: From: Gregory Maxwell To: Tamas Blummer Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 1.1 (+) 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 (gmaxwell[at]gmail.com) 1.2 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in bl.spamcop.net [Blocked - see ] -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 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 1.5 SF_NO_SPF_SPAM SF_NO_SPF_SPAM X-Headers-End: 1WXEpt-00053I-3o Cc: Bitcoin Development Subject: Re: [Bitcoin-development] Why are we bleeding nodes? 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: Mon, 07 Apr 2014 19:04:02 -0000 On Mon, Apr 7, 2014 at 12:00 PM, Tamas Blummer wrot= e: > therefore I guess it is more handy to return some bitmap of pruned/full > blocks than ranges. A bitmap also means high overhead and=E2=80=94 if it's used to advertise non-contiguous blocks=E2=80=94 poor locality, since blocks are fetched sequentially.