Inside the system: resources, kernel, processes

Quiz: limits and kernel parameters

Question 7 of 10

Read the output

What is going on on the machine?

$ vmstat 1 3
procs -----------memory---------- ---swap-- -----io---- -system-- -------cpu-------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st gu
 0  1      0  35468  19792 269092    0    0     0  3216  762 2141  1  5  0 94  0  0
 0  1      0  34104  20640 269556    0    0     0  2572  684 1880  1  6  0 93  0  0

The machine is writing to swap; it is short of memory.
The CPU lacks power.
The disk is reading data for programs.
One process waits for the disk, and the CPU sits idle meanwhile.

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