persistence

type DataFile struct {
	// The path prefix.
	Prefix string
	// Datatype component of the path.
	Datatype string
	// Subtest component of the path.
	Subtest string
	// UUID of this measurement file.
	UUID string
	// The size of this data file on disk, in bytes.
	Size int

	// The relative file path, generated according to the provided prefix,
	// datatype, subtest, uuid and the timestamp at generation time.
	Path string
}