This command will regenerate thumbnails for items in the media library. Premium version only.

wp mediacloud:storage regenerate [--limit=<number>] [--offset=<number>] [--page=<number>]


limitnumberyesLimits the number of items to be processed, used with offset or page to process batches.
offsetnumberyesThe starting index to return a range of results, cannot be used with page.
pagenumberyesThe starting index to return a range of results in terms of pages, cannot be used with offset. The page index start at 1. For example, specify a limit of 100 and a page of 2 would return results 100-200.