public void testBplusTreeUniq() throws IOException, DbException {
File tmpFile = File.createTempFile("btree", ".tmp");
tmpFile.deleteOnExit();
BTree btree = new BTree(tmpFile, false);
btree.create(false);
List<byte[]> list = new ArrayList<byte[]>(REPEAT);
Random random = new Random(54552542345L);
StopWatch sw1 = new StopWatch("[BplusTreeUniq] Index Construction of " + REPEAT);
for(int i = 0; i < REPEAT; i++) {