Stumbling around I found this funny video (produced by
The Richter Scales) which notes many interesting facts about the new ways people are making money with the internet.
Many references to popular geek species, including but not limited to:

code monkeys
bloggers
entepreneurs
social ringers
"the internet is a series of tubes" geniuses

Any resemblance to reality is just a [...]

Some years ago I found this old but still usefull guide for xfs performance tweaking on linux:

Filesystem performance tweaking with XFS on Linux
which is, esencially, a two-steps simple procedure: