The following is not correct.
"Then, you specify that the other hosts act as executors but not coordinators. These hosts do not communicate with the statestored daemon or process the final result sets from queries. You cannot connect to these hosts through clients such as impala-shell or business intelligence tools."
executor still communicates with statestore for other topics (membership, admission control, etc.) The only part it doesn't get from statestore is the metadata topic.