Block cache bug fix & disabling doc IO align mode has been added
- A critical bug has been fixed; when retrieving hash table in block cache, hash function calculates hash value using both BID and hash value of file name that the block belongs to, but retrieving query only contains BID. The hash function has been modified (not to use hash value of file name).
- doc IO align mode can be disabled using pre-compile option defined in option.h
Conflict rebase