1. --------------------------------------------
2. ----------------level = 0, layer_index = 0, layer_sequence = 0, extent_count = 0-------------
3. -----------------------------------------------------------
4. ----------------level = 1, layer_index = 0, layer_sequence = 0, extent_count = 4-------------
5. data size7115num entries50num data blocks1
6. 50
7.    value[0]: smallest key:[0000000100], largest_key:[0000000149], extent_id[1, 0]
8. data size7115num entries50num data blocks1
9. 50
10.    value[1]: smallest key:[0000000150], largest_key:[0000000199], extent_id[3, 0]
11. data size7115num entries50num data blocks1
12. 50
13.    value[2]: smallest key:[0000000200], largest_key:[0000000249], extent_id[5, 0]
14. data size7115num entries50num data blocks1
15. 50
16.    value[3]: smallest key:[0000000250], largest_key:[0000000299], extent_id[7, 0]
17. -----------------------------------------------------------
18. ----------------level = 2, layer_index = 0, layer_sequence = 0, extent_count = 4-------------
19. data size7116num entries50num data blocks1
20. 50
21.    value[4]: smallest key:[0000000125], largest_key:[0000000174], extent_id[2, 0]
22. data size7117num entries50num data blocks1
23. 50
24.    value[5]: smallest key:[0000000175], largest_key:[0000000224], extent_id[4, 0]
25. data size7116num entries50num data blocks1
26. 50
27.    value[6]: smallest key:[0000000225], largest_key:[0000000274], extent_id[6, 0]
28. data size7117num entries50num data blocks1
29. 50
30.    value[7]: smallest key:[0000000275], largest_key:[0000000324], extent_id[8, 0]
31. -----------------------------------------------------------
32.  
33.  
34. after code compaction
35.  
36. --------------------------------------------
37. ----------------level = 0, layer_index = 0, layer_sequence = 0, extent_count = 0-------------
38. -----------------------------------------------------------
39. ----------------level = 1, layer_index = 0, layer_sequence = 0, extent_count = 1-------------
40. data size15915num entries112num data blocks1
41. 112
42.    value[0]: smallest key:[0000000101], largest_key:[0000000323], extent_id[10, 0]
43. -----------------------------------------------------------
44. ----------------level = 2, layer_index = 0, layer_sequence = 0, extent_count = 1-------------
45. data size16069num entries113num data blocks1
46. 113
47.    value[1]: smallest key:[0000000100], largest_key:[0000000324], extent_id[9, 0]
48. -----------------------------------------------------------
49.