2. I/O wait CPU
What exactly is "iowait" ?
To summarize it in one sentence, 'iowait' is the percentage of
time the CPU is idle AND there is at least one I/O in
progress.
What we can do ?
Take advantage of the manager I/O
4. DEMOS
What are you doing?
Let's go to see CODE !!!
https://github.com/pablomoretti/async-java
Framework NIO
● Netty
● Apache MINA
● Vert.x
● Node.js