internal long ComputeUpdatedProvisioned(
AutoscaleDirection autoscaleDirection,
long provisionedUnits,
int increasePercent,
int decreasePercent,
int minProvisioned,
int maxProvisioned)
{
var updatedUnits = ComputeUpdatedProvisioned(autoscaleDirection, provisionedUnits, increasePercent, decreasePercent);
updatedUnits = autoscalingCalculator.EnsureProvisionInRange(updatedUnits, minProvisioned, maxProvisioned);
return updatedUnits;
}
private long ComputeUpdatedProvisioned(
AutoscaleDirection autoscaleDirection,
long provisionedUnits,
int increasePercent,
int decreasePercent)
{
switch (autoscaleDirection)
{
case AutoscaleDirection.UltraUp:
return autoscalingCalculator.CalculateProvisionIncrease(provisionedUnits, increasePercent * 4);
case AutoscaleDirection.ExtraUp:
return autoscalingCalculator.CalculateProvisionIncrease(provisionedUnits, increasePercent * 2);
case AutoscaleDirection.Up:
return autoscalingCalculator.CalculateProvisionIncrease(provisionedUnits, increasePercent);
case AutoscaleDirection.Down:
return autoscalingCalculator.CalculateProvisionDecrease(provisionedUnits, decreasePercent);
default:
return provisionedUnits;
}
}
internal long ComputeUpdatedProvisioned(
long provisioned,
AutoscaleDirection autoscaleDirection,
DynamoDbThroughputMetrics metrics,
AutoscalingConfiguration configuration)
{
var increasePercent = configuration.IncreaseWithPercent.GetValueOrDefault();
var decreasePercent = configuration.DecreaseWithPercent.GetValueOrDefault();
var minProvisioned = configuration.MinProvisioned.GetValueOrDefault();
var maxProvisioned = configuration.MaxProvisioned.GetValueOrDefault();
return ComputeUpdatedProvisioned(
autoscaleDirection, provisioned, increasePercent, decreasePercent, minProvisioned, maxProvisioned);
}
