Don't create right data for write when testing performance.
Don't create right data for write when testing performance.

zheng-da/FlashX,icoming/FlashGraph,flashxio/FlashX,zheng-da/FlashX,zheng-da/FlashX,zheng-da/FlashX,icoming/FlashX,icoming/FlashGraph,icoming/FlashGraph,flashxio/FlashX,silky/FlashGraph,silky/FlashGraph,icoming/FlashX,icoming/FlashGraph,silky/FlashGraph,icoming/FlashGraph,icoming/FlashX,icoming/FlashX,silky/FlashGraph,flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,zheng-da/FlashX,icoming/FlashX,silky/FlashGraph