[Graph]: reduce memory consumption from multiple source files.
[Graph]: reduce memory consumption from multiple source files.

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