CPU Parameters

CPU Parameters

The CPU-related resource management is based on the following parameters:

Parameter	Description
`cpuunits`	This is a positive integer number that determines the minimal guaranteed share of the CPU time your Container will receive.
`cpulimit`	This is a positive number indicating the CPU time in percent the corresponding Container is not allowed to exceed.
`burst_cpulimit`	The CPU power limit, in percent, the Container cannot exceed. The limitations set in this parameter are applied to the Container when it exceeds the limit specified in the `burst_cpu_avg_usage` parameter.
`burst_cpu_avg_usage`	The CPU usage limit, in percent, set for the Container. This limit is calculated as the ratio of the current Container CPU usage to the CPU limit (i.e to the value of the `CPULIMIT` parameter) set for the Container. If the limit is not specified, the full CPU power of the Hardware Node is considered as the CPU limit. Upon exceeding the `burst_cpu_avg_usage` limit, the `burst_cpulimit` limit is applied to the Container.
`cpuguarantee`	This is a positive integer number indicating the CPU time, in percent, the corresponding Container is guaranteed to receive. If both the `cpuguarantee` and `cpuunits` parameters are set, the `cpuguarantee` parameter is first taken into account when distributing processor(s) time among the Containers existing on the Node; the remaining CPU time, if any, is given to the Containers in accordance with the value of the `cpuunits` parameter.
`cpus`	The number of CPUs set to handle all the processes inside the given Container. By default, any Container is allowed to consume the CPU time of all processors on the Node.

The information on the available parameters is presented in the table with the following columns:

Column Name	Description
Parameter	The name of the resource parameter.
Current Usage	Indicates the consumption of the corresponding resource by the Container at the moment of calling the current Infrastructure Manager page. The units in which the consumption is measured are specified in the Units column. If the current usage is not available (n/a), it means that either the Container is not running, or the nature of the resource does not suggest its changing over time.
Limit	The limit on the consumption of the given resource by the Container. The units in which the limit is measured are specified in the Units column.
Soft Limit	The limit on the consumption of the given resource by the Container that can be exceeded only if the system is not fully loaded. The units in which the limit is measured are specified in the Units column.
Hard Limit	The limit on the consumption of the given resource by the current Container that cannot be exceeded under any circumstances. The units in which the limit is measured are specified in the Units column.
Units	The units in which the resource values are measured.
Description	The description of the resource parameter.

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