1) If the size of the file presents a download or processing problem, you have the option to download the weekly files that contain only the add and change records (ttladdch.txt) and the discontinued titles file (distwkly-13.txt and or sliceRemoveEAN.zip) or you may choose to process the ttlingv2pt1.zip and ttlingv2pt2_fileXofX.zip files at different intervals.
2) You may also choose to build indices on any number of fields within the Titles file based on your customer searching requirements. For instance: if you are using this data on your website for browsing purposes, you would build an index for the EAN, author, publication date and keyword.
Please note: that each index created will use additional disk space on your system.