MongoDB tip: issue with specifying localhost in replica set configuration
Often time when we want to quickly spin up a demo mongodb replica set, we would simply use the localhost:port to specify the nodes assuming all members are on the same server. Here is an quick example why that's not a good practice Here is the output of my current rs.status() MongoDB Enterprise biDemo:PRIMARY> conf= rs.conf() { "_id" : "biDemo", "version" : 5, "protocolVersion" : NumberLong(1), "members" : [ { "_id" : 0, "host" : "localhost:31111", "arbiterOnly" : false, "b...