Systems and methods to synchronize file loading operations are described.
In one aspect, file loading operations are divided into multiple loading
levels. The loading levels are incremental with respect to one another.
The loading levels are executed in a sequential order. Each loading level
includes operations that are independent and distinct of operations of
all other loading levels. The systems and methods load a file to an
allowed loading level. The allowed loading level includes operations
associated with one or more of the multiple loading levels.