[magicalhippo]

And if you have a sufficient number of fairly sequential operations in parallel they start to look very random[1][2] to the storage system.

[1]: https://www.youtube.com/watch?v=yHgSU6iqrlE (presentation)

[2]: https://www.snia.org/sites/default/files/SDC/2019/presentati... (slides, page 41)