@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 >