> I would expect async direct I/O to be able to go faster (speed is it's > mostly what it's there for...). Direct asynchronous I/O can be faster > because you don't have the overhead of copying things into the page > cache. Additionally, you don't necessarily suffer from head of line > blocking - each I/O can potentially finish independently of any other. Okay, makes sense and definitely jives with my measurements. Thanks for explaining. -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
