/// <summary>
/// Checks whether making the application runnable would exceed any
/// maxRunningApps limits.
/// </summary>
public virtual bool CanAppBeRunnable(FSQueue queue, string user)
{
AllocationConfiguration allocConf = scheduler.GetAllocationConfiguration();
int userNumRunnable = usersNumRunnableApps[user];
if (userNumRunnable == null)
{
userNumRunnable = 0;
}
if (userNumRunnable >= allocConf.GetUserMaxApps(user))
{
return(false);
}
// Check queue and all parent queues
while (queue != null)
{
int queueMaxApps = allocConf.GetQueueMaxApps(queue.GetName());
if (queue.GetNumRunnableApps() >= queueMaxApps)
{
return(false);
}
queue = queue.GetParent();
}
return(true);
}
/// <summary>
/// Checks to see whether any other applications runnable now that the given
/// application has been removed from the given queue.
/// </summary>
/// <remarks>
/// Checks to see whether any other applications runnable now that the given
/// application has been removed from the given queue. And makes them so.
/// Runs in O(n log(n)) where n is the number of queues that are under the
/// highest queue that went from having no slack to having slack.
/// </remarks>
public virtual void UpdateRunnabilityOnAppRemoval(FSAppAttempt app, FSLeafQueue queue
)
{
AllocationConfiguration allocConf = scheduler.GetAllocationConfiguration();
// childqueueX might have no pending apps itself, but if a queue higher up
// in the hierarchy parentqueueY has a maxRunningApps set, an app completion
// in childqueueX could allow an app in some other distant child of
// parentqueueY to become runnable.
// An app removal will only possibly allow another app to become runnable if
// the queue was already at its max before the removal.
// Thus we find the ancestor queue highest in the tree for which the app
// that was at its maxRunningApps before the removal.
FSQueue highestQueueWithAppsNowRunnable = (queue.GetNumRunnableApps() == allocConf
.GetQueueMaxApps(queue.GetName()) - 1) ? queue : null;
FSParentQueue parent = queue.GetParent();
while (parent != null)
{
if (parent.GetNumRunnableApps() == allocConf.GetQueueMaxApps(parent.GetName()) -
1)
{
highestQueueWithAppsNowRunnable = parent;
}
parent = parent.GetParent();
}
IList <IList <FSAppAttempt> > appsNowMaybeRunnable = new AList <IList <FSAppAttempt> >(
);
// Compile lists of apps which may now be runnable
// We gather lists instead of building a set of all non-runnable apps so
// that this whole operation can be O(number of queues) instead of
// O(number of apps)
if (highestQueueWithAppsNowRunnable != null)
{
GatherPossiblyRunnableAppLists(highestQueueWithAppsNowRunnable, appsNowMaybeRunnable
);
}
string user = app.GetUser();
int userNumRunning = usersNumRunnableApps[user];
if (userNumRunning == null)
{
userNumRunning = 0;
}
if (userNumRunning == allocConf.GetUserMaxApps(user) - 1)
{
IList <FSAppAttempt> userWaitingApps = usersNonRunnableApps.Get(user);
if (userWaitingApps != null)
{
appsNowMaybeRunnable.AddItem(userWaitingApps);
}
}
UpdateAppsRunnability(appsNowMaybeRunnable, appsNowMaybeRunnable.Count);
}
public virtual void TestBackwardsCompatibleAllocationFileParsing()
{
Configuration conf = new Configuration();
conf.Set(FairSchedulerConfiguration.AllocationFile, AllocFile);
AllocationFileLoaderService allocLoader = new AllocationFileLoaderService();
PrintWriter @out = new PrintWriter(new FileWriter(AllocFile));
@out.WriteLine("<?xml version=\"1.0\"?>");
@out.WriteLine("<allocations>");
// Give queue A a minimum of 1024 M
@out.WriteLine("<pool name=\"queueA\">");
@out.WriteLine("<minResources>1024mb,0vcores</minResources>");
@out.WriteLine("</pool>");
// Give queue B a minimum of 2048 M
@out.WriteLine("<pool name=\"queueB\">");
@out.WriteLine("<minResources>2048mb,0vcores</minResources>");
@out.WriteLine("<aclAdministerApps>alice,bob admins</aclAdministerApps>");
@out.WriteLine("</pool>");
// Give queue C no minimum
@out.WriteLine("<pool name=\"queueC\">");
@out.WriteLine("<aclSubmitApps>alice,bob admins</aclSubmitApps>");
@out.WriteLine("</pool>");
// Give queue D a limit of 3 running apps
@out.WriteLine("<pool name=\"queueD\">");
@out.WriteLine("<maxRunningApps>3</maxRunningApps>");
@out.WriteLine("</pool>");
// Give queue E a preemption timeout of one minute and 0.3f threshold
@out.WriteLine("<pool name=\"queueE\">");
@out.WriteLine("<minSharePreemptionTimeout>60</minSharePreemptionTimeout>");
@out.WriteLine("<fairSharePreemptionThreshold>0.3</fairSharePreemptionThreshold>"
);
@out.WriteLine("</pool>");
// Set default limit of apps per queue to 15
@out.WriteLine("<queueMaxAppsDefault>15</queueMaxAppsDefault>");
// Set default limit of apps per user to 5
@out.WriteLine("<userMaxAppsDefault>5</userMaxAppsDefault>");
// Give user1 a limit of 10 jobs
@out.WriteLine("<user name=\"user1\">");
@out.WriteLine("<maxRunningApps>10</maxRunningApps>");
@out.WriteLine("</user>");
// Set default min share preemption timeout to 2 minutes
@out.WriteLine("<defaultMinSharePreemptionTimeout>120" + "</defaultMinSharePreemptionTimeout>"
);
// Set fair share preemption timeout to 5 minutes
@out.WriteLine("<fairSharePreemptionTimeout>300</fairSharePreemptionTimeout>");
// Set default fair share preemption threshold to 0.6f
@out.WriteLine("<defaultFairSharePreemptionThreshold>0.6</defaultFairSharePreemptionThreshold>"
);
@out.WriteLine("</allocations>");
@out.Close();
allocLoader.Init(conf);
TestAllocationFileLoaderService.ReloadListener confHolder = new TestAllocationFileLoaderService.ReloadListener
(this);
allocLoader.SetReloadListener(confHolder);
allocLoader.ReloadAllocations();
AllocationConfiguration queueConf = confHolder.allocConf;
NUnit.Framework.Assert.AreEqual(5, queueConf.GetConfiguredQueues()[FSQueueType.Leaf
].Count);
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root." + YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root." + YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(1024, 0), queueConf.GetMinResources
("root.queueA"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(2048, 0), queueConf.GetMinResources
("root.queueB"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root.queueC"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root.queueD"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root.queueE"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root." + YarnConfiguration
.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueA"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueB"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueC"));
NUnit.Framework.Assert.AreEqual(3, queueConf.GetQueueMaxApps("root.queueD"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueE"));
NUnit.Framework.Assert.AreEqual(10, queueConf.GetUserMaxApps("user1"));
NUnit.Framework.Assert.AreEqual(5, queueConf.GetUserMaxApps("user2"));
// Unspecified queues should get default ACL
NUnit.Framework.Assert.AreEqual(" ", queueConf.GetQueueAcl("root.queueA", QueueACL
.AdministerQueue).GetAclString());
NUnit.Framework.Assert.AreEqual(" ", queueConf.GetQueueAcl("root.queueA", QueueACL
.SubmitApplications).GetAclString());
// Queue B ACL
NUnit.Framework.Assert.AreEqual("alice,bob admins", queueConf.GetQueueAcl("root.queueB"
, QueueACL.AdministerQueue).GetAclString());
// Queue C ACL
NUnit.Framework.Assert.AreEqual("alice,bob admins", queueConf.GetQueueAcl("root.queueC"
, QueueACL.SubmitApplications).GetAclString());
NUnit.Framework.Assert.AreEqual(120000, queueConf.GetMinSharePreemptionTimeout("root"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root."
+ YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueA"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueB"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueC"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueD"
));
NUnit.Framework.Assert.AreEqual(60000, queueConf.GetMinSharePreemptionTimeout("root.queueE"
));
NUnit.Framework.Assert.AreEqual(300000, queueConf.GetFairSharePreemptionTimeout("root"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root."
+ YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueA"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueB"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueC"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueD"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueE"
));
NUnit.Framework.Assert.AreEqual(.6f, queueConf.GetFairSharePreemptionThreshold("root"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root."
+ YarnConfiguration.DefaultQueueName), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueA"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueB"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueC"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueD"
), 0.01);
NUnit.Framework.Assert.AreEqual(.3f, queueConf.GetFairSharePreemptionThreshold("root.queueE"
), 0.01);
}
public virtual void TestAllocationFileParsing()
{
Configuration conf = new Configuration();
conf.Set(FairSchedulerConfiguration.AllocationFile, AllocFile);
AllocationFileLoaderService allocLoader = new AllocationFileLoaderService();
PrintWriter @out = new PrintWriter(new FileWriter(AllocFile));
@out.WriteLine("<?xml version=\"1.0\"?>");
@out.WriteLine("<allocations>");
// Give queue A a minimum of 1024 M
@out.WriteLine("<queue name=\"queueA\">");
@out.WriteLine("<minResources>1024mb,0vcores</minResources>");
@out.WriteLine("</queue>");
// Give queue B a minimum of 2048 M
@out.WriteLine("<queue name=\"queueB\">");
@out.WriteLine("<minResources>2048mb,0vcores</minResources>");
@out.WriteLine("<aclAdministerApps>alice,bob admins</aclAdministerApps>");
@out.WriteLine("<schedulingPolicy>fair</schedulingPolicy>");
@out.WriteLine("</queue>");
// Give queue C no minimum
@out.WriteLine("<queue name=\"queueC\">");
@out.WriteLine("<aclSubmitApps>alice,bob admins</aclSubmitApps>");
@out.WriteLine("</queue>");
// Give queue D a limit of 3 running apps and 0.4f maxAMShare
@out.WriteLine("<queue name=\"queueD\">");
@out.WriteLine("<maxRunningApps>3</maxRunningApps>");
@out.WriteLine("<maxAMShare>0.4</maxAMShare>");
@out.WriteLine("</queue>");
// Give queue E a preemption timeout of one minute
@out.WriteLine("<queue name=\"queueE\">");
@out.WriteLine("<minSharePreemptionTimeout>60</minSharePreemptionTimeout>");
@out.WriteLine("</queue>");
//Make queue F a parent queue without configured leaf queues using the 'type' attribute
@out.WriteLine("<queue name=\"queueF\" type=\"parent\" >");
@out.WriteLine("</queue>");
// Create hierarchical queues G,H, with different min/fair share preemption
// timeouts and preemption thresholds
@out.WriteLine("<queue name=\"queueG\">");
@out.WriteLine("<fairSharePreemptionTimeout>120</fairSharePreemptionTimeout>");
@out.WriteLine("<minSharePreemptionTimeout>50</minSharePreemptionTimeout>");
@out.WriteLine("<fairSharePreemptionThreshold>0.6</fairSharePreemptionThreshold>"
);
@out.WriteLine(" <queue name=\"queueH\">");
@out.WriteLine(" <fairSharePreemptionTimeout>180</fairSharePreemptionTimeout>");
@out.WriteLine(" <minSharePreemptionTimeout>40</minSharePreemptionTimeout>");
@out.WriteLine(" <fairSharePreemptionThreshold>0.7</fairSharePreemptionThreshold>"
);
@out.WriteLine(" </queue>");
@out.WriteLine("</queue>");
// Set default limit of apps per queue to 15
@out.WriteLine("<queueMaxAppsDefault>15</queueMaxAppsDefault>");
// Set default limit of apps per user to 5
@out.WriteLine("<userMaxAppsDefault>5</userMaxAppsDefault>");
// Set default limit of AMResourceShare to 0.5f
@out.WriteLine("<queueMaxAMShareDefault>0.5f</queueMaxAMShareDefault>");
// Give user1 a limit of 10 jobs
@out.WriteLine("<user name=\"user1\">");
@out.WriteLine("<maxRunningApps>10</maxRunningApps>");
@out.WriteLine("</user>");
// Set default min share preemption timeout to 2 minutes
@out.WriteLine("<defaultMinSharePreemptionTimeout>120" + "</defaultMinSharePreemptionTimeout>"
);
// Set default fair share preemption timeout to 5 minutes
@out.WriteLine("<defaultFairSharePreemptionTimeout>300</defaultFairSharePreemptionTimeout>"
);
// Set default fair share preemption threshold to 0.4
@out.WriteLine("<defaultFairSharePreemptionThreshold>0.4</defaultFairSharePreemptionThreshold>"
);
// Set default scheduling policy to DRF
@out.WriteLine("<defaultQueueSchedulingPolicy>drf</defaultQueueSchedulingPolicy>"
);
@out.WriteLine("</allocations>");
@out.Close();
allocLoader.Init(conf);
TestAllocationFileLoaderService.ReloadListener confHolder = new TestAllocationFileLoaderService.ReloadListener
(this);
allocLoader.SetReloadListener(confHolder);
allocLoader.ReloadAllocations();
AllocationConfiguration queueConf = confHolder.allocConf;
NUnit.Framework.Assert.AreEqual(6, queueConf.GetConfiguredQueues()[FSQueueType.Leaf
].Count);
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root." + YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root." + YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(1024, 0), queueConf.GetMinResources
("root.queueA"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(2048, 0), queueConf.GetMinResources
("root.queueB"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root.queueC"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root.queueD"));
NUnit.Framework.Assert.AreEqual(Resources.CreateResource(0), queueConf.GetMinResources
("root.queueE"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root." + YarnConfiguration
.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueA"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueB"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueC"));
NUnit.Framework.Assert.AreEqual(3, queueConf.GetQueueMaxApps("root.queueD"));
NUnit.Framework.Assert.AreEqual(15, queueConf.GetQueueMaxApps("root.queueE"));
NUnit.Framework.Assert.AreEqual(10, queueConf.GetUserMaxApps("user1"));
NUnit.Framework.Assert.AreEqual(5, queueConf.GetUserMaxApps("user2"));
NUnit.Framework.Assert.AreEqual(.5f, queueConf.GetQueueMaxAMShare("root." + YarnConfiguration
.DefaultQueueName), 0.01);
NUnit.Framework.Assert.AreEqual(.5f, queueConf.GetQueueMaxAMShare("root.queueA"),
0.01);
NUnit.Framework.Assert.AreEqual(.5f, queueConf.GetQueueMaxAMShare("root.queueB"),
0.01);
NUnit.Framework.Assert.AreEqual(.5f, queueConf.GetQueueMaxAMShare("root.queueC"),
0.01);
NUnit.Framework.Assert.AreEqual(.4f, queueConf.GetQueueMaxAMShare("root.queueD"),
0.01);
NUnit.Framework.Assert.AreEqual(.5f, queueConf.GetQueueMaxAMShare("root.queueE"),
0.01);
// Root should get * ACL
NUnit.Framework.Assert.AreEqual("*", queueConf.GetQueueAcl("root", QueueACL.AdministerQueue
).GetAclString());
NUnit.Framework.Assert.AreEqual("*", queueConf.GetQueueAcl("root", QueueACL.SubmitApplications
).GetAclString());
// Unspecified queues should get default ACL
NUnit.Framework.Assert.AreEqual(" ", queueConf.GetQueueAcl("root.queueA", QueueACL
.AdministerQueue).GetAclString());
NUnit.Framework.Assert.AreEqual(" ", queueConf.GetQueueAcl("root.queueA", QueueACL
.SubmitApplications).GetAclString());
// Queue B ACL
NUnit.Framework.Assert.AreEqual("alice,bob admins", queueConf.GetQueueAcl("root.queueB"
, QueueACL.AdministerQueue).GetAclString());
// Queue C ACL
NUnit.Framework.Assert.AreEqual("alice,bob admins", queueConf.GetQueueAcl("root.queueC"
, QueueACL.SubmitApplications).GetAclString());
NUnit.Framework.Assert.AreEqual(120000, queueConf.GetMinSharePreemptionTimeout("root"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root."
+ YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueA"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueB"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueC"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueD"
));
NUnit.Framework.Assert.AreEqual(60000, queueConf.GetMinSharePreemptionTimeout("root.queueE"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetMinSharePreemptionTimeout("root.queueF"
));
NUnit.Framework.Assert.AreEqual(50000, queueConf.GetMinSharePreemptionTimeout("root.queueG"
));
NUnit.Framework.Assert.AreEqual(40000, queueConf.GetMinSharePreemptionTimeout("root.queueG.queueH"
));
NUnit.Framework.Assert.AreEqual(300000, queueConf.GetFairSharePreemptionTimeout("root"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root."
+ YarnConfiguration.DefaultQueueName));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueA"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueB"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueC"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueD"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueE"
));
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionTimeout("root.queueF"
));
NUnit.Framework.Assert.AreEqual(120000, queueConf.GetFairSharePreemptionTimeout("root.queueG"
));
NUnit.Framework.Assert.AreEqual(180000, queueConf.GetFairSharePreemptionTimeout("root.queueG.queueH"
));
NUnit.Framework.Assert.AreEqual(.4f, queueConf.GetFairSharePreemptionThreshold("root"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root."
+ YarnConfiguration.DefaultQueueName), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueA"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueB"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueC"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueD"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueE"
), 0.01);
NUnit.Framework.Assert.AreEqual(-1, queueConf.GetFairSharePreemptionThreshold("root.queueF"
), 0.01);
NUnit.Framework.Assert.AreEqual(.6f, queueConf.GetFairSharePreemptionThreshold("root.queueG"
), 0.01);
NUnit.Framework.Assert.AreEqual(.7f, queueConf.GetFairSharePreemptionThreshold("root.queueG.queueH"
), 0.01);
NUnit.Framework.Assert.IsTrue(queueConf.GetConfiguredQueues()[FSQueueType.Parent]
.Contains("root.queueF"));
NUnit.Framework.Assert.IsTrue(queueConf.GetConfiguredQueues()[FSQueueType.Parent]
.Contains("root.queueG"));
NUnit.Framework.Assert.IsTrue(queueConf.GetConfiguredQueues()[FSQueueType.Leaf].Contains
("root.queueG.queueH"));
// Verify existing queues have default scheduling policy
NUnit.Framework.Assert.AreEqual(DominantResourceFairnessPolicy.Name, queueConf.GetSchedulingPolicy
("root").GetName());
NUnit.Framework.Assert.AreEqual(DominantResourceFairnessPolicy.Name, queueConf.GetSchedulingPolicy
("root.queueA").GetName());
// Verify default is overriden if specified explicitly
NUnit.Framework.Assert.AreEqual(FairSharePolicy.Name, queueConf.GetSchedulingPolicy
("root.queueB").GetName());
// Verify new queue gets default scheduling policy
NUnit.Framework.Assert.AreEqual(DominantResourceFairnessPolicy.Name, queueConf.GetSchedulingPolicy
("root.newqueue").GetName());
}