From Disk To RAM  Reading Hopefuly
Revert "From Disk To RAM  Reading Hopefuly"

This reverts commit 66369f40fdea5eaf1569b2ed6d1c9bcd8fe19ba8.
Revert "Revert "From Disk To RAM  Reading Hopefuly""

This reverts commit 8939ca64b53867d7a2344c19fba1d996c24fd2fa.