Alice and Bob in I/O Land [Click here to start] This lecture is
also available in one big HTML file Table of contents Alice, Bob
And Their Race To Disk-Haven Alice's Adventures In Wonderland -
A Partial Recap Alice's Adventures In Wonderland - A Partial
Recap - Cont. Meet Alice - the 16KB "write" that could Alice
goes down the Rabbit hole Alice wants to pass through the small
door Little Alice joins the (page-cached) Caucus race Little
Alice going down the (disk) elevator Little Alice grows again -
the I/O scheduler dance Example of "iostat" output Big Alice
plays the disk Crockett - the basic elevator algorithm Original
Alice Stands to Trial - ERR_SUCCESS or ERR_IO? Mad Hatter
testifies - the small bio-s joining in Original Alice wakes up
from her write-full dream Ecila - the "read" that came back from
the cold Through The Looking Glass - A Partial Recap Through The
Looking Glass - A Partial Recap - Cont. Ecila passes through the
looking glass Ecila meets the red queen and (page-cachely) runs
nowhere What's