System.out.println("Loading btree ...");
btree = new BTree(pool, (byte) 0, false, pool.getCacheManager(), file, 0.1);
btree.open((short)-1);
System.out.println("Rebuilding ...");
btree.rebuild();
OutputStreamWriter writer = new OutputStreamWriter(System.out);
btree.dump(writer);
writer.flush();
} finally {