Hi Simon, it is definitely possible for a single cluster to manage thousands of replication jobs simultaneously — we have done this in production — but it does introduce scalability challenges and quite a bit of computational overhead. There’s a lot of work happening to improve CouchDB’s handling of large numbers of replications right now in https://issues.apache.org/jira/browse/COUCHDB-3324; Nick Vatamaniuc recently summarized the effort on the dev@couchdb mailing list:
http://mail-archives.apache.org/mod_mbox/couchdb-dev/201704.mbox/browser Cheers, Adam > On Apr 11, 2017, at 4:45 AM, Simon Temple <[email protected]> wrote: > > I'm searching for information about replication scalability, has anyone > deployed replication across hundreds or even thousands of instances? > > Can I realistically expect a single cluster to act as a replication point for > a thousand replicas? > > The database I wish to replicate contains user information. This information > is not updated very frequently but is read often. <http://bit.ly/1Lqt8qy> > > TIA > > Simon > <http://bit.ly/1Lqt8qy> > <http://bit.ly/1Lqt8qy> <http://bit.ly/1Lqt8qy>
