HorizontalVmScalingSimple¶

public class HorizontalVmScalingSimple extends VmScalingAbstract implements HorizontalVmScaling ¶

A HorizontalVmScaling implementation that allows defining the condition to identify an overloaded VM, based on any desired criteria, such as current RAM, CPU and/or Bandwidth utilization. A DatacenterBroker monitors the VMs that have an HorizontalVmScaling object in order to create or destroy VMs on demand.

The overload condition has to be defined by providing a Predicate using the setOverloadPredicate(Predicate) method. Check the HorizontalVmScaling documentation for details on how to enable horizontal down scaling using the DatacenterBroker.

Author:	Manoel Campos da Silva Filho

See also: HorizontalVmScaling

Constructors¶

HorizontalVmScalingSimple¶

public HorizontalVmScalingSimple()¶

Methods¶

getOverloadPredicate¶

public Predicate<Vm> getOverloadPredicate()¶

getVmSupplier¶

public Supplier<Vm> getVmSupplier()¶

requestUpScaling¶

protected boolean requestUpScaling(double time)¶

requestUpScalingIfPredicateMatches¶

public final boolean requestUpScalingIfPredicateMatches(VmHostEventInfo evt)¶

setOverloadPredicate¶

public VmScaling setOverloadPredicate(Predicate<Vm> predicate)¶

setVmSupplier¶

public final HorizontalVmScaling setVmSupplier(Supplier<Vm> supplier)¶