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CPU usage in a zone is primarily managed through three different properties.

  • CPU cap: The maximum number of CPU cycles that are allocated to a zone. Zones can never consume more CPU cycles than what is allocated to the cap. 
  • CPU shares: The minimum number of CPU cycles available to a zone at any given time. SmartOS uses the Fair Share Scheduler (FSS) to distribute CPU shares among zones. 
  • CPU baseline: A soft limit on the number of CPU cycles a hosted application can consume. If an application experiences heavy throughput, it can use CPU bursting to temporarily consume CPU cycles that exceed the allocated baseline limit, providing a temporary performance boost. 

In this section:

cpu cpu Delete
cap cap Delete
shares shares Delete
baseline baseline Delete
usage usage Delete
bursting bursting Delete
fair fair Delete
share share Delete
scheduler scheduler Delete
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