particular value for the first byte of a key means it may be compared
with memcmp and a length check.

FT-50 Implement toku_builtin_cmp_fun with memcmp and a length check

allocator.

file.

the one and only strategy so far - first fit.

FT-295 Move ybt.h to utils/dbt.h

its own header

FT-296 Move bytestring class to utils/

descriptor/ft_compare_func pair

update the total size when convering to dbt format.

to help catch these in the future

much space is needed on disk

and upgrade code so there's less complexity in ft/ft_node-serialize.cc

byte boundary.

further simplifying the logic that is contained in
ft/ft_node-serialize.cc

This reverts commit 92557e6b.