def METHOD_NAME(self):
    """
    Submit 500 jobs, measure qdel performace before/after adding managers
    """
    # Adding to managers ensures that packets are larger than 1023 bytes
    # that triggers Nagle's algorithm which slows down the communication.
    # Effect on TCP seems irreversible till server is restarted, so in
    # this test case we restart server so that any effects from earlier
    # test cases/runs do not interfere
    # Baseline qdel performance with scheduling false and managers unset
    # Restart server to ensure no effect from earlier tests/operations
    self.server.manager(MGR_CMD_SET, SERVER, {'scheduling': 'False'})
    self.server.manager(MGR_CMD_UNSET, SERVER, 'managers')
    self.server.restart()
    self.submit_jobs(TEST_USER1, 500)
    qdel_perf = self.compute_qdel_time()
    self.assertTrue((qdel_perf != -1), "qdel command failed")
    # Add to the managers list so that TCP packets are now larger and
    # triggers Nagle's
    manager = TEST_USER1.name + '@' + self.server.hostname
    self.server.manager(MGR_CMD_SET, SERVER, {
                        'managers': (INCR, manager)}, sudo=True)
    # Remeasure the qdel performance
    self.submit_jobs(TEST_USER1, 500)
    qdel_perf2 = self.compute_qdel_time()
    self.assertTrue((qdel_perf2 != -1), "qdel command failed")
    self.logger.info("qdel performance: " + str(qdel_perf))
    self.logger.info(
        "qdel performance after setting manager: " + str(qdel_perf2))
    self.perf_test_result(float(qdel_perf), "qdel_perf", "sec")
    self.perf_test_result(float(qdel_perf2),
                          "qdel_perf_with_manager", "sec")