US Patent 11886412 Large content file optimization

An indication to perform a backup of file system data is received. The file system data includes a content file having a size greater than a threshold size. A plurality of component file metadata structures for the content file are generated. File metadata of the content file split across the plurality of component file metadata structures is stored. The plurality of component file metadata structures are associated with different portions of the content file. A component file metadata structure of the plurality of component file metadata structures stores file metadata corresponding to a portion of the content file. The file metadata corresponding to the portion of the content file includes one or more references to locations of data chunks associated with the portion of the content file.