def METHOD_NAME(self):
    end_time = time.time() + self.duration
    while time.time() < end_time and not self.termination_event.is_set():
        self._sstable_utils.db_node = random.choice(self.db_cluster.nodes)
        self._run_tombstone_gc_verification()
        self.log.debug('Executed %s', TombstoneGcVerificationEvent.__name__)
        time.sleep(self.interval)