Return-Path: Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: (qmail 44609 invoked from network); 14 Apr 2011 15:57:27 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 14 Apr 2011 15:57:27 -0000 Received: (qmail 20188 invoked by uid 500); 14 Apr 2011 15:57:26 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 20127 invoked by uid 500); 14 Apr 2011 15:57:26 -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 20119 invoked by uid 99); 14 Apr 2011 15:57:26 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 14 Apr 2011 15:57:26 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of kinleyd@gmail.com designates 209.85.161.52 as permitted sender) Received: from [209.85.161.52] (HELO mail-fx0-f52.google.com) (209.85.161.52) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 14 Apr 2011 15:57:21 +0000 Received: by fxm6 with SMTP id 6so2224271fxm.11 for ; Thu, 14 Apr 2011 08:56:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=hBLV9Qd3W9ObQ0kgdv8C6kTBTipp0bY1RCHRNofsPR4=; b=qdBW1B1ujvqJsNmuhMXz7LI469HZy9HJb6VHyIzniIriVxeZZ7A2SxK35RNXGjx824 V6e6C0uWQbTt2lTl0EAAMxAHV+oK+RJn9odsT98ytvFv98FGwjY4ETBjWhucBE08XXlo EUpPQKXr0wu1+6YwsE6c66iXWrxOhazS214LY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=RUJxwAXF0Vsjxs5VNfaMRBuOoi/nTy5jjV8MMUUqRu5Y6fdEFBg1NI1QtV29rfCspQ xjw48saeTp2BUvBb2JHvljyfVD/pmmQFr15MkB0TwUAD2Ylx18bVhTxOGl9e3HdCESnp kVsccIxnSfL1Y7DwQBm5EPI5vBq3/UZeOnrTQ= MIME-Version: 1.0 Received: by 10.223.159.14 with SMTP id h14mr1007317fax.20.1302796619682; Thu, 14 Apr 2011 08:56:59 -0700 (PDT) Received: by 10.223.74.15 with HTTP; Thu, 14 Apr 2011 08:56:59 -0700 (PDT) In-Reply-To: References: Date: Thu, 14 Apr 2011 21:56:59 +0600 Message-ID: Subject: Re: CouchDB's advantages over MongoDB From: Kinley Dorji To: user@couchdb.apache.org Content-Type: text/plain; charset=ISO-8859-1 @Sean: Thanks for a great summary of CouchDB's awesomeness. :) On Thu, Apr 14, 2011 at 9:01 PM, Nebu Pookins wrote: > On Thu, Apr 14, 2011 at 10:40 AM, Sean Copenhaver > wrote: >> Simple that you can have 2 way continuous replication to keep multiple nodes >> in sync with the full data set. So all nodes could be used for all activity. >> >> Usually with the slave configuration the slaves are only for reading so a >> single node could keep everything in sync. > > Thanks Sean, that makes sense. I've just now read another message by > Luciano Ramalho, where Luciano essentially writes the same in the > paper at http://journal.code4lib.org/articles/4893 > > CouchDB was influenced by Lotus Notes, a networked, collaborative > application suite designed to support users who are often off-line. > So, CouchDB allows master-master replication, that is, synchronization > between peer nodes which have received inserts and updates > independently. MongoDB supports only master-slave replication: only > one node receives updates and inserts, and replicates to the slaves. > > - Nebu >