def METHOD_NAME(self):
    TestPerformance.METHOD_NAME(self)
    # Set PBS_TZID, needed for standing reservation.
    if 'PBS_TZID' in self.conf:
        self.tzone = self.conf['PBS_TZID']
    elif 'PBS_TZID' in os.environ:
        self.tzone = os.environ['PBS_TZID']
    else:
        self.logger.info('Timezone not set, using Asia/Kolkata')
        self.tzone = 'Asia/Kolkata'
    a = {'resources_available.ncpus': 2}
    self.mom.create_vnodes(a, num=2000, usenatvnode=True)