tree 9b7cd817a4c802d67a501eecb8a3bae40b45c5d1
parent d85821edcd0e5854ba16467880ece9b5893ddc37
author buyingyi <buyingyi@gmail.com> 1376599481 -0700
committer buyingyi <buyingyi@gmail.com> 1376599481 -0700

implemented checkpoint read