<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def run(self):
 """Execute benchmark on the specified node """

        with self._scp_bensh_runner():
            self._execute_bensh_runner()
            path = self._retrieve_tarball()
            try:
                self._aggregate_tarball(path)
            finally:
                os.remove(path)