last I heard they've sharded some stuff, but some of the core tables/databases are still using a monolithic architecture. And I guess you're only as strong as

last I heard they've sharded some stuff, but some of the core tables/databases are still using a monolithic architecture. And I guess you're only as strong as your weakest link, which can be not that bad, that is, if it isn't your core tables. Though take this with a grain of salt, this is mostly hearsay =D