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I am confused with the CPU idle time is set to 99. Does this mean the CPU is idle not doing anything for 99% of the time?

#vmstate
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 0  0   2336  18512 263972 1048992   0    0    1     47   0    0  0  0  99  0  0
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2 Answers 2

Please note, that on most unix systems first line of vmstat output is average since last reboot. Next lines are current statistics.

99% CPU Idle means that your server is not really heavy loaded. Which is good. Nothing to worry about :)

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Idle time means your CPU is doing nothing. Your system is not performing any work, so your CPU is spending time idling.

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