Just for testing purpose, is it possible to add more than one memcached server to a cluster from the same server IP with different memcached listening port? When I tried to do this via Add Servers on Server Nodes page in Couchbase 3.0, it said there’s already a memcached server ?
it is possible to install multiple Couchbase instances on the same machine, see http://docs.couchbase.com/admin/admin/Install/rhel-multiple-instances.html
I would advise against it though, as it is complicated and not well tested. Alternatively you could run multiple virtual machines (VMs) on a single machine to achieve the desired effect.
wonder if you could via IP aliasing ?