4 ms·
That’s not actually true. With InnoDB the data is largely cached specifically by the database in the Buffer Pool. Of course they are using MyRocks here and whi
by lathiat 8y ago
That’s not actually true. With InnoDB the data is largely cached specifically by the database in the Buffer Pool.
Of course they are using MyRocks here and while I don’t actually know I’d be very surprised if it wasn’t the same. File system cache only really helps you with reads in an ACID-ish system and write speed ups/journaling require a more actively managed cache.