The following are suggested solutions to selected exercises.
Q. What is latency?
A. A measure of time, usually time waiting for something to be done. In the IT industry, it is used differently depending on context.
Q. List the reasons why a thread would leave the CPU.
A. Blocked on I/O, blocked on a lock, call to yield, expired time slice, preempted by another thread, device interrupt, exiting.
Q. Calculate the load average . . .
Q. Describe CPU behavior visible from this Solaris-based screen shot alone.
A. There are many
mysqld threads from the same process (multithreaded) on-CPU, which are spending most of their time sleeping ...