With MySQL (and Oracle before that) it was common to simply move different parts of the database data files to different disks. I don't use Mongo so I can't spe

With MySQL (and Oracle before that) it was common to simply move different parts of the database data files to different disks. I don't use Mongo so I can't speak to that, but the concept works pretty much universally. See here for more information about spreading your database around multiple disks: http://www.mysqlperformanceblog.com/2010/12/25/spreading-ibd-files-across-multiple-disks-the-optimization-that-isnt/ http://www.mysqlperformanceblog.com/2010/12/25/spreading-ibd...