Revert "Fixing the issue where file size exceeds size of an integer":

3adb00621b84b271b6473cc35edabaff889141e5
e2afa84443b51faa6be1f09e465aa3d4ebadb879
0761955fdbaa671f87ac67d0f2e6c9918db08fae
17cc18fad09ca92ba88e668e3586054ec34c584f
135c62fb5de928fbc3c85bacb458ba4e9ef410c0