Range<Token> range = new Range<>(Util.token(""), Util.token(""));
int gcBefore = keyspace.getColumnFamilyStore(CF_STANDARDDLEVELED).gcBefore(System.currentTimeMillis());
UUID parentRepSession = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(parentRepSession, Arrays.asList(cfs), Arrays.asList(range), false);
RepairJobDesc desc = new RepairJobDesc(parentRepSession, UUID.randomUUID(), KEYSPACE1, CF_STANDARDDLEVELED, range);
Validator validator = new Validator(desc, FBUtilities.getBroadcastAddress(), gcBefore);
CompactionManager.instance.submitValidation(cfs, validator).get();
}