The disclosed embodiments are directed to {TAIL ~ long transaction locking} of {HEAD ~ feature instances} in a web feature service 
The disclosed embodiments are directed to { TAIL ~ long transaction locking } of { HEAD ~ feature instances } in a web feature service
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH