tree f4e00b209129caaffa173628fdebde5350706a60
parent 225a9dc0cc24bcbf8971ffa39c08f80725f59a29
author buyingyi <buyingyi@gmail.com> 1376608520 -0700
committer buyingyi <buyingyi@gmail.com> 1376608520 -0700

clean up the checkpointing control