Return-Path: X-Original-To: apmail-couchdb-user-archive@www.apache.org Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 57CE96E0C for ; Fri, 1 Jul 2011 01:03:34 +0000 (UTC) Received: (qmail 97737 invoked by uid 500); 1 Jul 2011 01:03:30 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 97616 invoked by uid 500); 1 Jul 2011 01:03:29 -0000 Mailing-List: contact user-help@couchdb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@couchdb.apache.org Delivered-To: mailing list user@couchdb.apache.org Received: (qmail 97608 invoked by uid 99); 1 Jul 2011 01:03:29 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 Jul 2011 01:03:29 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jens@mooseyard.com designates 208.97.132.145 as permitted sender) Received: from [208.97.132.145] (HELO homiemail-a65.g.dreamhost.com) (208.97.132.145) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 01 Jul 2011 01:03:22 +0000 Received: from homiemail-a65.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a65.g.dreamhost.com (Postfix) with ESMTP id A0AE87E4062 for ; Thu, 30 Jun 2011 18:03:00 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=mooseyard.com; h=content-type :mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; q=dns; s= mooseyard.com; b=A9Xw4xBG5IzeAEdSQpR8Q8Dd5vDs9cdILMZnTPZIxffR6qe 8+QRaiZV8WfHWcBv8n4Kbd7fEbtcwhcuJOrzmJT0F8YVGsq5CKU+Wj6+To//oHk8 qJEAMnkMBpNvmjx7nTXc6hAP5cBBwoEsHJ/k4HnIcv62L7mx4uAAc0e7OV7I= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=mooseyard.com; h= content-type:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; s= mooseyard.com; bh=GMIRh55HQgH29Eix9t2iMuruwBI=; b=AamfFcSm7P3Ogv Lwkv0p/PR6bPVsXSPR5V6eW7UEIPzhLrIqoszAplj6TmSz4XQZDlVeopi9vxWNc9 7GwSMZxAsHvNGIpy4IH8zWqTfrgWt4m19QHl4suVhDsk3maiR2794Mpv5V8qB8R/ TPyi0SOdCWbQbZMO02mb1gagCnpDU= Received: from [10.17.13.169] (unknown [208.185.212.98]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: jens@mooseyard.com) by homiemail-a65.g.dreamhost.com (Postfix) with ESMTPSA id 98EDE7E4058 for ; Thu, 30 Jun 2011 18:03:00 -0700 (PDT) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Apple Message framework v1084) Subject: Re: Frugal Erlang vs Resources Hungry CouchDB From: Jens Alfke In-Reply-To: Date: Thu, 30 Jun 2011 18:03:00 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: To: user@couchdb.apache.org X-Mailer: Apple Mail (2.1084) X-Virus-Checked: Checked by ClamAV on apache.org On Jun 30, 2011, at 5:11 PM, Jason Smith wrote: > On Fri, Jul 1, 2011 at 5:39 AM, Zdravko Gligic = wrote: >> a) How many of the update headers are actually useful? Is it just = the >> last successfully written one or even just a few last ones ? >=20 > Excellent point. That's just it, isn't it? > How useful are the lower rungs of a ladder? How useful is the food you > ate a year ago? How useful was the accident insurance policy you paid for last year and = then didn=92t have an accident? :-) The update header is largely there for disaster recovery. =97Jens=