software.amazon.kinesis.utils

Class Cgroup

java.lang.Object

software.amazon.kinesis.utils.Cgroup

public class Cgroup
extends Object

Constructor Summary

Constructors

Constructor and Description
Cgroup()

Method Summary

Modifier and Type	Method and Description
static int	getAvailableCpusFromEffectiveCpuSet(String cpuSet) Calculates the number of available cpus from the cpuset See https://docs.kernel.org/admin-guide/cgroup-v2.html#cpuset for more information "0-7" represents 8 cores "0-4,6,8-10" represents 9 cores (cores 0,1,2,3,4 and core 6 and core 8,9,10)
static String	readSingleLineFile(String path)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Cgroup

public Cgroup()

Method Detail

readSingleLineFile

public static String readSingleLineFile(String path)

getAvailableCpusFromEffectiveCpuSet

public static int getAvailableCpusFromEffectiveCpuSet(String cpuSet)

Calculates the number of available cpus from the cpuset See https://docs.kernel.org/admin-guide/cgroup-v2.html#cpuset for more information "0-7" represents 8 cores "0-4,6,8-10" represents 9 cores (cores 0,1,2,3,4 and core 6 and core 8,9,10)

Parameters:

cpuSet - a single line from the cgroup cpuset file

Returns:

the number of available cpus