internal CapacitySchedulerQueueInfo(CSQueue q)
{
queuePath = q.GetQueuePath();
capacity = q.GetCapacity() * 100;
usedCapacity = q.GetUsedCapacity() * 100;
maxCapacity = q.GetMaximumCapacity();
if (maxCapacity < Epsilon || maxCapacity > 1f)
{
maxCapacity = 1f;
}
maxCapacity *= 100;
absoluteCapacity = Cap(q.GetAbsoluteCapacity(), 0f, 1f) * 100;
absoluteMaxCapacity = Cap(q.GetAbsoluteMaximumCapacity(), 0f, 1f) * 100;
absoluteUsedCapacity = Cap(q.GetAbsoluteUsedCapacity(), 0f, 1f) * 100;
numApplications = q.GetNumApplications();
queueName = q.GetQueueName();
state = q.GetState();
resourcesUsed = new ResourceInfo(q.GetUsedResources());
if (q is PlanQueue && !((PlanQueue)q).ShowReservationsAsQueues())
{
hideReservationQueues = true;
}
// add labels
ICollection <string> labelSet = q.GetAccessibleNodeLabels();
if (labelSet != null)
{
Sharpen.Collections.AddAll(nodeLabels, labelSet);
nodeLabels.Sort();
}
}
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()));
}
private ResourceLimits GetResourceLimitsOfChild(CSQueue child, Org.Apache.Hadoop.Yarn.Api.Records.Resource
clusterResource, ResourceLimits parentLimits)
{
// Set resource-limit of a given child, child.limit =
// min(my.limit - my.used + child.used, child.max)
// Parent available resource = parent-limit - parent-used-resource
Org.Apache.Hadoop.Yarn.Api.Records.Resource parentMaxAvailableResource = Resources
.Subtract(parentLimits.GetLimit(), GetUsedResources());
// Child's limit = parent-available-resource + child-used
Org.Apache.Hadoop.Yarn.Api.Records.Resource childLimit = Resources.Add(parentMaxAvailableResource
, child.GetUsedResources());
// Get child's max resource
Org.Apache.Hadoop.Yarn.Api.Records.Resource childConfiguredMaxResource = Resources
.MultiplyAndNormalizeDown(resourceCalculator, labelManager.GetResourceByLabel(RMNodeLabelsManager
.NoLabel, clusterResource), child.GetAbsoluteMaximumCapacity(), minimumAllocation
);
// Child's limit should be capped by child configured max resource
childLimit = Resources.Min(resourceCalculator, clusterResource, childLimit, childConfiguredMaxResource
);
// Normalize before return
childLimit = Resources.RoundDown(resourceCalculator, childLimit, minimumAllocation
);
return(new ResourceLimits(childLimit));
}