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 E262D6F3D for ; Mon, 4 Jul 2011 18:11:19 +0000 (UTC) Received: (qmail 77488 invoked by uid 500); 4 Jul 2011 18:11:18 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 77417 invoked by uid 500); 4 Jul 2011 18:11:16 -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 77409 invoked by uid 99); 4 Jul 2011 18:11:16 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Jul 2011 18:11:16 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jens@mooseyard.com designates 208.97.132.119 as permitted sender) Received: from [208.97.132.119] (HELO homiemail-a30.g.dreamhost.com) (208.97.132.119) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Jul 2011 18:11:10 +0000 Received: from homiemail-a30.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a30.g.dreamhost.com (Postfix) with ESMTP id 4187721DE71 for ; Mon, 4 Jul 2011 11:10:49 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=mooseyard.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; q=dns; s=mooseyard.com; b=avUsCDcnFDwzAf 4f5DZG7VmnvVFqJpUAm75CassljkeDuhRtVpNkAKFss5Jzd04VSDumD2FjXOmyMw G5o5VqZfJ8BvAmd9782lFYs3aGVh3aaAqm+BE8q/rHRX+ioZ0omr84xC+VbDsO8R rakm3crtEoCp+HeOatxqS0WHTpJnQ= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=mooseyard.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; s=mooseyard.com; bh=mpv44aDbVgh2c6MaNf3v 5WEMeNw=; b=B9mir7dFK9Z1cqYlClG//tQPpkqXdkv5Go/Bzfok7zrrWkUaocMF pG0UnSjZzZwxBP+60A2EbFsUx6j5CjVbWQGdLx4eRbnnTPsKRrFb8/DMYrDtMUEN YuXXSIpY+eGMd20TFOe59G7djGGPI4afk0FLerD4NiGTWDWOcolG1wY= Received: from [10.0.1.114] (c-98-210-115-152.hsd1.ca.comcast.net [98.210.115.152]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: jens@mooseyard.com) by homiemail-a30.g.dreamhost.com (Postfix) with ESMTPSA id 01E2721DE6A for ; Mon, 4 Jul 2011 11:10:48 -0700 (PDT) From: Jens Alfke Mime-Version: 1.0 (Apple Message framework v1244.3) Content-Type: multipart/alternative; boundary="Apple-Mail=_0E6960D0-566F-48CC-8224-903445CE1937" Subject: Re: few doubts Date: Mon, 4 Jul 2011 11:10:48 -0700 In-Reply-To: To: user@couchdb.apache.org References: Message-Id: <21671E1D-6825-4F15-A970-B3E8C9C99EC2@mooseyard.com> X-Mailer: Apple Mail (2.1244.3) --Apple-Mail=_0E6960D0-566F-48CC-8224-903445CE1937 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On Jul 3, 2011, at 11:41 PM, Matthew John wrote: > how does CouchDB perform > when compared to MySql in performing the Warm-up (lets define Warm-up = as > filling the memory with Disk data in a judicial manner). No idea. But really, you could perform something very similar by doing = something like cat /path/to/my_database.couch > /dev/null since that would have the same effect of loading the file contents into = the VM cache. So it=92s not really that specific to CouchDB itself. How large is your data-set? How many rows, and what=92s the disk space = occupied by the MySQL tables? =97Jens= --Apple-Mail=_0E6960D0-566F-48CC-8224-903445CE1937--