public FSQueue(string name, FairScheduler scheduler, FSParentQueue parent)
{
this.name = name;
this.scheduler = scheduler;
this.metrics = ((FSQueueMetrics)FSQueueMetrics.ForQueue(GetName(), parent, true,
scheduler.GetConf()));
metrics.SetMinShare(GetMinShare());
metrics.SetMaxShare(GetMaxShare());
this.parent = parent;
}
public virtual void UpdateAllocationConfiguration(AllocationConfiguration queueConf
)
{
// Create leaf queues and the parent queues in a leaf's ancestry if they do not exist
foreach (string name in queueConf.GetConfiguredQueues()[FSQueueType.Leaf])
{
if (RemoveEmptyIncompatibleQueues(name, FSQueueType.Leaf))
{
GetLeafQueue(name, true);
}
}
// At this point all leaves and 'parents with at least one child' would have been created.
// Now create parents with no configured leaf.
foreach (string name_1 in queueConf.GetConfiguredQueues()[FSQueueType.Parent])
{
if (RemoveEmptyIncompatibleQueues(name_1, FSQueueType.Parent))
{
GetParentQueue(name_1, true);
}
}
foreach (FSQueue queue in queues.Values)
{
// Update queue metrics
FSQueueMetrics queueMetrics = queue.GetMetrics();
queueMetrics.SetMinShare(queue.GetMinShare());
queueMetrics.SetMaxShare(queue.GetMaxShare());
// Set scheduling policies
try
{
SchedulingPolicy policy = queueConf.GetSchedulingPolicy(queue.GetName());
policy.Initialize(scheduler.GetClusterResource());
queue.SetPolicy(policy);
}
catch (AllocationConfigurationException ex)
{
Log.Warn("Cannot apply configured scheduling policy to queue " + queue.GetName(),
ex);
}
}
// Update steady fair shares for all queues
rootQueue.RecomputeSteadyShares();
// Update the fair share preemption timeouts and preemption for all queues
// recursively
rootQueue.UpdatePreemptionVariables();
}