parallel load
parallel load


Former-commit-id: 014fe1addddedbeabb903fbe410b2dce368fe992 [formerly a93e7d85deba5676c3702881f557cd7576974e12]
Former-commit-id: 1176f5259ad862d9e0010d4b6803dd45515d2ffe
feiranwang/dimmwitted,feiranwang/dimmwitted,feiranwang/dimmwitted