What would a filesystem do better than a DB in that case? After all a filesystem is just a database who's primary keys are mostly filenames. Most of them use t

What would a filesystem do better than a DB in that case? After all a filesystem is just a database who's primary keys are mostly filenames. Most of them use the same data-structures (e.g. b+trees) and especially the newer ones turn into copy-on-write systems like e.g. CouchDB I guess if you want to have backups of that table, you probably would like to keep it at a manageable size, but why not just save the html blobs in a separate table?