public static void UpdateQueueStatistics(ResourceCalculator calculator, CSQueue childQueue
, CSQueue parentQueue, Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource
, Org.Apache.Hadoop.Yarn.Api.Records.Resource minimumAllocation)
{
Org.Apache.Hadoop.Yarn.Api.Records.Resource queueLimit = Resources.None();
Org.Apache.Hadoop.Yarn.Api.Records.Resource usedResources = childQueue.GetUsedResources
();
float absoluteUsedCapacity = 0.0f;
float usedCapacity = 0.0f;
if (Resources.GreaterThan(calculator, clusterResource, clusterResource, Resources
.None()))
{
queueLimit = Resources.Multiply(clusterResource, childQueue.GetAbsoluteCapacity()
);
absoluteUsedCapacity = Resources.Divide(calculator, clusterResource, usedResources
, clusterResource);
usedCapacity = Resources.Equals(queueLimit, Resources.None()) ? 0 : Resources.Divide
(calculator, clusterResource, usedResources, queueLimit);
}
childQueue.SetUsedCapacity(usedCapacity);
childQueue.SetAbsoluteUsedCapacity(absoluteUsedCapacity);
Org.Apache.Hadoop.Yarn.Api.Records.Resource available = Resources.Subtract(queueLimit
, usedResources);
childQueue.GetMetrics().SetAvailableResourcesToQueue(Resources.Max(calculator, clusterResource
, available, Resources.None()));
}