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Posted to common-commits@hadoop.apache.org by wa...@apache.org on 2016/03/17 01:00:17 UTC
[1/3] hadoop git commit: CapacityScheduler: Improve preemption to
only kill containers that would satisfy the incoming request. (Wangda Tan)
Repository: hadoop
Updated Branches:
refs/heads/trunk 32d043d9c -> 7e8c9beb4
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
index 2694957..4441c6b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
@@ -356,4 +356,40 @@ public class TestUtils {
CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();
return cs.getSchedulerApplications().get(appId).getCurrentAppAttempt();
}
+
+ /**
+ * Get a queue structure:
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ */
+ public static Configuration
+ getConfigurationWithMultipleQueues(Configuration config) {
+ CapacitySchedulerConfiguration conf =
+ new CapacitySchedulerConfiguration(config);
+
+ // Define top-level queues
+ conf.setQueues(CapacitySchedulerConfiguration.ROOT,
+ new String[] { "a", "b", "c" });
+
+ final String A = CapacitySchedulerConfiguration.ROOT + ".a";
+ conf.setCapacity(A, 10);
+ conf.setMaximumCapacity(A, 100);
+ conf.setUserLimitFactor(A, 100);
+
+ final String B = CapacitySchedulerConfiguration.ROOT + ".b";
+ conf.setCapacity(B, 20);
+ conf.setMaximumCapacity(B, 100);
+ conf.setUserLimitFactor(B, 100);
+
+ final String C = CapacitySchedulerConfiguration.ROOT + ".c";
+ conf.setCapacity(C, 70);
+ conf.setMaximumCapacity(C, 100);
+ conf.setUserLimitFactor(C, 100);
+
+ return conf;
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java
index 5bdcc08..2456594 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java
@@ -1451,7 +1451,7 @@ public class TestFairSchedulerPreemption extends FairSchedulerTestBase {
// Trigger container rescheduled event
scheduler.handle(new ContainerPreemptEvent(appAttemptId, rmContainer,
- SchedulerEventType.KILL_PREEMPTED_CONTAINER));
+ SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE));
List<ResourceRequest> requests = rmContainer.getResourceRequests();
// Once recovered, resource request will be present again in app
[3/3] hadoop git commit: CapacityScheduler: Improve preemption to
only kill containers that would satisfy the incoming request. (Wangda Tan)
Posted by wa...@apache.org.
CapacityScheduler: Improve preemption to only kill containers that would satisfy the incoming request. (Wangda Tan)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/7e8c9beb
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/7e8c9beb
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/7e8c9beb
Branch: refs/heads/trunk
Commit: 7e8c9beb4156dcaeb3a11e60aaa06d2370626913
Parents: 32d043d
Author: Wangda Tan <wa...@apache.org>
Authored: Wed Mar 16 16:59:59 2016 -0700
Committer: Wangda Tan <wa...@apache.org>
Committed: Wed Mar 16 16:59:59 2016 -0700
----------------------------------------------------------------------
.../ProportionalCapacityPreemptionPolicy.java | 166 +++--
.../rmcontainer/RMContainer.java | 1 +
.../scheduler/PreemptableResourceScheduler.java | 2 +-
.../scheduler/ResourceLimits.java | 9 +
.../scheduler/SchedulerNode.java | 9 +-
.../scheduler/capacity/AbstractCSQueue.java | 45 +-
.../scheduler/capacity/CSAssignment.java | 11 +
.../scheduler/capacity/CapacityScheduler.java | 132 +++-
.../CapacitySchedulerConfiguration.java | 14 +-
.../capacity/CapacitySchedulerContext.java | 15 +-
.../scheduler/capacity/LeafQueue.java | 69 ++
.../scheduler/capacity/ParentQueue.java | 157 ++++-
.../allocator/AbstractContainerAllocator.java | 2 +
.../capacity/allocator/ContainerAllocation.java | 12 +
.../allocator/RegularContainerAllocator.java | 39 +-
.../capacity/preemption/KillableContainer.java | 45 ++
.../capacity/preemption/PreemptableQueue.java | 102 +++
.../capacity/preemption/PreemptionManager.java | 165 +++++
.../scheduler/common/AssignmentInformation.java | 6 +-
.../scheduler/common/fica/FiCaSchedulerApp.java | 32 +-
.../common/fica/FiCaSchedulerNode.java | 65 +-
.../scheduler/event/SchedulerEventType.java | 15 +-
.../resourcemanager/TestRMDispatcher.java | 4 +-
.../server/resourcemanager/TestRMRestart.java | 2 +-
.../applicationsmanager/TestAMRestart.java | 7 +-
...estProportionalCapacityPreemptionPolicy.java | 6 +-
...pacityPreemptionPolicyForNodePartitions.java | 2 +
.../capacity/TestApplicationLimits.java | 2 +
.../capacity/TestApplicationPriority.java | 6 +-
.../capacity/TestCapacityScheduler.java | 8 +-
.../TestCapacitySchedulerPreemption.java | 677 +++++++++++++++++++
.../scheduler/capacity/TestChildQueueOrder.java | 2 +
.../scheduler/capacity/TestLeafQueue.java | 3 +
.../TestNodeLabelContainerAllocation.java | 97 +++
.../scheduler/capacity/TestParentQueue.java | 2 +
.../scheduler/capacity/TestReservations.java | 2 +
.../scheduler/capacity/TestUtils.java | 36 +
.../fair/TestFairSchedulerPreemption.java | 2 +-
38 files changed, 1785 insertions(+), 186 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicy.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicy.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicy.java
index 3a87edb..9b499c8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicy.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicy.java
@@ -35,7 +35,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
-import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
@@ -49,6 +49,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptableQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.ContainerPreemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType;
@@ -125,8 +126,8 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
private long maxWaitTime;
private CapacityScheduler scheduler;
private long monitoringInterval;
- private final Map<RMContainer,Long> preempted =
- new HashMap<RMContainer,Long>();
+ private final Map<RMContainer, Long> preempted = new HashMap<>();
+
private ResourceCalculator rc;
private float percentageClusterPreemptionAllowed;
private double naturalTerminationFactor;
@@ -135,6 +136,10 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
new HashMap<>();
private RMNodeLabelsManager nlm;
+ // Preemptable Entities, synced from scheduler at every run
+ private Map<String, PreemptableQueue> preemptableEntities = null;
+ private Set<ContainerId> killableContainers;
+
public ProportionalCapacityPreemptionPolicy() {
clock = SystemClock.getInstance();
}
@@ -184,6 +189,64 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
Resource clusterResources = Resources.clone(scheduler.getClusterResource());
containerBasedPreemptOrKill(root, clusterResources);
}
+
+ @SuppressWarnings("unchecked")
+ private void cleanupStaledKillableContainers(Resource cluster,
+ Set<String> leafQueueNames) {
+ for (String q : leafQueueNames) {
+ for (TempQueuePerPartition tq : getQueuePartitions(q)) {
+ // When queue's used - killable <= guaranteed and, killable > 0, we need
+ // to check if any of killable containers needs to be reverted
+ if (Resources.lessThanOrEqual(rc, cluster,
+ Resources.subtract(tq.current, tq.killable), tq.idealAssigned)
+ && Resources.greaterThan(rc, cluster, tq.killable, Resources.none())) {
+ // How many killable resources need to be reverted
+ // need-to-revert = already-marked-killable - (current - ideal)
+ Resource toBeRevertedFromKillable = Resources.subtract(tq.killable,
+ Resources.subtract(tq.current, tq.idealAssigned));
+
+ Resource alreadyReverted = Resources.createResource(0);
+
+ for (RMContainer c : preemptableEntities.get(q).getKillableContainers(
+ tq.partition).values()) {
+ if (Resources.greaterThanOrEqual(rc, cluster, alreadyReverted,
+ toBeRevertedFromKillable)) {
+ break;
+ }
+
+ if (Resources.greaterThan(rc, cluster,
+ Resources.add(alreadyReverted, c.getAllocatedResource()),
+ toBeRevertedFromKillable)) {
+ continue;
+ } else {
+ // This container need to be marked to unkillable
+ Resources.addTo(alreadyReverted, c.getAllocatedResource());
+ rmContext.getDispatcher().getEventHandler().handle(
+ new ContainerPreemptEvent(c.getApplicationAttemptId(), c,
+ SchedulerEventType.MARK_CONTAINER_FOR_NONKILLABLE));
+ }
+ }
+
+ }
+ }
+ }
+ }
+
+ private void syncKillableContainersFromScheduler() {
+ // sync preemptable entities from scheduler
+ preemptableEntities =
+ scheduler.getPreemptionManager().getShallowCopyOfPreemptableEntities();
+
+ killableContainers = new HashSet<>();
+ for (Map.Entry<String, PreemptableQueue> entry : preemptableEntities
+ .entrySet()) {
+ PreemptableQueue entity = entry.getValue();
+ for (Map<ContainerId, RMContainer> map : entity.getKillableContainers()
+ .values()) {
+ killableContainers.addAll(map.keySet());
+ }
+ }
+ }
/**
* This method selects and tracks containers to be preempted. If a container
@@ -201,6 +264,8 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
.getNodeLabelManager().getClusterNodeLabelNames());
allPartitions.add(RMNodeLabelsManager.NO_LABEL);
+ syncKillableContainersFromScheduler();
+
// extract a summary of the queues from scheduler
synchronized (scheduler) {
queueToPartitions.clear();
@@ -228,13 +293,17 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
recursivelyComputeIdealAssignment(tRoot, totalPreemptionAllowed);
}
+ // remove containers from killable list when we want to preempt less resources
+ // from queue.
+ cleanupStaledKillableContainers(clusterResources, leafQueueNames);
+
// based on ideal allocation select containers to be preempted from each
// queue and each application
Map<ApplicationAttemptId,Set<RMContainer>> toPreempt =
getContainersToPreempt(leafQueueNames, clusterResources);
if (LOG.isDebugEnabled()) {
- logToCSV(new ArrayList<String>(leafQueueNames));
+ logToCSV(new ArrayList<>(leafQueueNames));
}
// if we are in observeOnly mode return before any action is taken
@@ -254,10 +323,10 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// if we tried to preempt this for more than maxWaitTime
if (preempted.get(container) != null &&
preempted.get(container) + maxWaitTime < clock.getTime()) {
- // kill it
+ // mark container killable
rmContext.getDispatcher().getEventHandler().handle(
new ContainerPreemptEvent(appAttemptId, container,
- SchedulerEventType.KILL_PREEMPTED_CONTAINER));
+ SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE));
preempted.remove(container);
} else {
if (preempted.get(container) != null) {
@@ -333,14 +402,14 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// qAlloc tracks currently active queues (will decrease progressively as
// demand is met)
- List<TempQueuePerPartition> qAlloc = new ArrayList<TempQueuePerPartition>(queues);
+ List<TempQueuePerPartition> qAlloc = new ArrayList<>(queues);
// unassigned tracks how much resources are still to assign, initialized
// with the total capacity for this set of queues
Resource unassigned = Resources.clone(tot_guarant);
// group queues based on whether they have non-zero guaranteed capacity
- Set<TempQueuePerPartition> nonZeroGuarQueues = new HashSet<TempQueuePerPartition>();
- Set<TempQueuePerPartition> zeroGuarQueues = new HashSet<TempQueuePerPartition>();
+ Set<TempQueuePerPartition> nonZeroGuarQueues = new HashSet<>();
+ Set<TempQueuePerPartition> zeroGuarQueues = new HashSet<>();
for (TempQueuePerPartition q : qAlloc) {
if (Resources
@@ -415,8 +484,8 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// idealAssigned >= current + pending), remove it from consideration.
// Sort queues from most under-guaranteed to most over-guaranteed.
TQComparator tqComparator = new TQComparator(rc, tot_guarant);
- PriorityQueue<TempQueuePerPartition> orderedByNeed =
- new PriorityQueue<TempQueuePerPartition>(10, tqComparator);
+ PriorityQueue<TempQueuePerPartition> orderedByNeed = new PriorityQueue<>(10,
+ tqComparator);
for (Iterator<TempQueuePerPartition> i = qAlloc.iterator(); i.hasNext();) {
TempQueuePerPartition q = i.next();
if (Resources.greaterThan(rc, tot_guarant, q.current, q.guaranteed)) {
@@ -474,7 +543,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// percentage of guaranteed.
protected Collection<TempQueuePerPartition> getMostUnderservedQueues(
PriorityQueue<TempQueuePerPartition> orderedByNeed, TQComparator tqComparator) {
- ArrayList<TempQueuePerPartition> underserved = new ArrayList<TempQueuePerPartition>();
+ ArrayList<TempQueuePerPartition> underserved = new ArrayList<>();
while (!orderedByNeed.isEmpty()) {
TempQueuePerPartition q1 = orderedByNeed.remove();
underserved.add(q1);
@@ -502,7 +571,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
if (ignoreGuar) {
for (TempQueuePerPartition q : queues) {
- q.normalizedGuarantee = (float) 1.0f / ((float) queues.size());
+ q.normalizedGuarantee = 1.0f / queues.size();
}
} else {
for (TempQueuePerPartition q : queues) {
@@ -515,8 +584,9 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
}
}
- private String getPartitionByNodeId(NodeId nodeId) {
- return scheduler.getSchedulerNode(nodeId).getPartition();
+ private String getPartitionByRMContainer(RMContainer rmContainer) {
+ return scheduler.getSchedulerNode(rmContainer.getAllocatedNode())
+ .getPartition();
}
/**
@@ -534,7 +604,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
return false;
}
- String nodePartition = getPartitionByNodeId(rmContainer.getAllocatedNode());
+ String nodePartition = getPartitionByRMContainer(rmContainer);
Resource toObtainByPartition =
resourceToObtainByPartitions.get(nodePartition);
@@ -575,7 +645,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
ApplicationAttemptId appAttemptId, RMContainer containerToPreempt) {
Set<RMContainer> set;
if (null == (set = preemptMap.get(appAttemptId))) {
- set = new HashSet<RMContainer>();
+ set = new HashSet<>();
preemptMap.put(appAttemptId, set);
}
set.add(containerToPreempt);
@@ -587,7 +657,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* over-capacity queue. It uses {@link #NATURAL_TERMINATION_FACTOR} to
* account for containers that will naturally complete.
*
- * @param queues set of leaf queues to preempt from
+ * @param leafQueueNames set of leaf queues to preempt from
* @param clusterResource total amount of cluster resources
* @return a map of applciationID to set of containers to preempt
*/
@@ -595,8 +665,8 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
Set<String> leafQueueNames, Resource clusterResource) {
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap =
- new HashMap<ApplicationAttemptId, Set<RMContainer>>();
- List<RMContainer> skippedAMContainerlist = new ArrayList<RMContainer>();
+ new HashMap<>();
+ List<RMContainer> skippedAMContainerlist = new ArrayList<>();
// Loop all leaf queues
for (String queueName : leafQueueNames) {
@@ -614,7 +684,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
LeafQueue leafQueue = null;
Map<String, Resource> resToObtainByPartition =
- new HashMap<String, Resource>();
+ new HashMap<>();
for (TempQueuePerPartition qT : getQueuePartitions(queueName)) {
leafQueue = qT.leafQueue;
// we act only if we are violating balance by more than
@@ -703,7 +773,6 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* @param clusterResource
* @param preemptMap
* @param skippedAMContainerlist
- * @param resToObtain
* @param skippedAMSize
* @param maxAMCapacityForThisQueue
*/
@@ -751,7 +820,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// first drop reserved containers towards rsrcPreempt
List<RMContainer> reservedContainers =
- new ArrayList<RMContainer>(app.getReservedContainers());
+ new ArrayList<>(app.getReservedContainers());
for (RMContainer c : reservedContainers) {
if (resToObtainByPartition.isEmpty()) {
return;
@@ -771,8 +840,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// if more resources are to be freed go through all live containers in
// reverse priority and reverse allocation order and mark them for
// preemption
- List<RMContainer> liveContainers =
- new ArrayList<RMContainer>(app.getLiveContainers());
+ List<RMContainer> liveContainers = new ArrayList<>(app.getLiveContainers());
sortContainers(liveContainers);
@@ -788,6 +856,11 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
continue;
}
+ // Skip already marked to killable containers
+ if (killableContainers.contains(c.getContainerId())) {
+ continue;
+ }
+
// Try to preempt this container
tryPreemptContainerAndDeductResToObtain(resToObtainByPartition, c,
clusterResource, preemptMap);
@@ -826,6 +899,10 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
return "ProportionalCapacityPreemptionPolicy";
}
+ @VisibleForTesting
+ public Map<RMContainer, Long> getToPreemptContainers() {
+ return preempted;
+ }
/**
* This method walks a tree of CSQueue and clones the portion of the state
@@ -851,6 +928,11 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
partitionToLookAt);
Resource guaranteed = Resources.multiply(partitionResource, absCap);
Resource maxCapacity = Resources.multiply(partitionResource, absMaxCap);
+ Resource killable = Resources.none();
+ if (null != preemptableEntities.get(queueName)) {
+ killable = preemptableEntities.get(queueName)
+ .getKillableResource(partitionToLookAt);
+ }
// when partition is a non-exclusive partition, the actual maxCapacity
// could more than specified maxCapacity
@@ -875,7 +957,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
l.getTotalPendingResourcesConsideringUserLimit(
partitionResource, partitionToLookAt);
ret = new TempQueuePerPartition(queueName, current, pending, guaranteed,
- maxCapacity, preemptionDisabled, partitionToLookAt);
+ maxCapacity, preemptionDisabled, partitionToLookAt, killable);
if (preemptionDisabled) {
ret.untouchableExtra = extra;
} else {
@@ -886,7 +968,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
Resource pending = Resource.newInstance(0, 0);
ret =
new TempQueuePerPartition(curQueue.getQueueName(), current, pending,
- guaranteed, maxCapacity, false, partitionToLookAt);
+ guaranteed, maxCapacity, false, partitionToLookAt, killable);
Resource childrensPreemptable = Resource.newInstance(0, 0);
for (CSQueue c : curQueue.getChildQueues()) {
TempQueuePerPartition subq =
@@ -932,7 +1014,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
Map<String, TempQueuePerPartition> queuePartitions;
if (null == (queuePartitions = queueToPartitions.get(queueName))) {
- queuePartitions = new HashMap<String, TempQueuePerPartition>();
+ queuePartitions = new HashMap<>();
queueToPartitions.put(queueName, queuePartitions);
}
queuePartitions.put(queuePartition.partition, queuePartition);
@@ -971,8 +1053,10 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
final Resource guaranteed;
final Resource maxCapacity;
final String partition;
+ final Resource killable;
Resource idealAssigned;
Resource toBePreempted;
+
// For logging purpose
Resource actuallyPreempted;
Resource untouchableExtra;
@@ -986,7 +1070,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
TempQueuePerPartition(String queueName, Resource current, Resource pending,
Resource guaranteed, Resource maxCapacity, boolean preemptionDisabled,
- String partition) {
+ String partition, Resource killableResource) {
this.queueName = queueName;
this.current = current;
this.pending = pending;
@@ -996,11 +1080,12 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
this.actuallyPreempted = Resource.newInstance(0, 0);
this.toBePreempted = Resource.newInstance(0, 0);
this.normalizedGuarantee = Float.NaN;
- this.children = new ArrayList<TempQueuePerPartition>();
+ this.children = new ArrayList<>();
this.untouchableExtra = Resource.newInstance(0, 0);
this.preemptableExtra = Resource.newInstance(0, 0);
this.preemptionDisabled = preemptionDisabled;
this.partition = partition;
+ this.killable = killableResource;
}
public void setLeafQueue(LeafQueue l){
@@ -1018,12 +1103,6 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
Resources.addTo(pending, q.pending);
}
- public void addChildren(ArrayList<TempQueuePerPartition> queues) {
- assert leafQueue == null;
- children.addAll(queues);
- }
-
-
public ArrayList<TempQueuePerPartition> getChildren(){
return children;
}
@@ -1064,18 +1143,13 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
return sb.toString();
}
- public void printAll() {
- LOG.info(this.toString());
- for (TempQueuePerPartition sub : this.getChildren()) {
- sub.printAll();
- }
- }
-
public void assignPreemption(float scalingFactor,
ResourceCalculator rc, Resource clusterResource) {
- if (Resources.greaterThan(rc, clusterResource, current, idealAssigned)) {
- toBePreempted = Resources.multiply(
- Resources.subtract(current, idealAssigned), scalingFactor);
+ if (Resources.greaterThan(rc, clusterResource,
+ Resources.subtract(current, killable), idealAssigned)) {
+ toBePreempted = Resources.multiply(Resources.subtract(
+ Resources.subtract(current, killable), idealAssigned),
+ scalingFactor);
} else {
toBePreempted = Resource.newInstance(0, 0);
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.java
index 5d26931..dfe0886 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.java
@@ -30,6 +30,7 @@ import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.event.EventHandler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Queue;
/**
* Represents the ResourceManager's view of an application container. See
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/PreemptableResourceScheduler.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/PreemptableResourceScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/PreemptableResourceScheduler.java
index ee7e101..b73c538 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/PreemptableResourceScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/PreemptableResourceScheduler.java
@@ -45,6 +45,6 @@ public interface PreemptableResourceScheduler extends ResourceScheduler {
* Ask the scheduler to forcibly interrupt the container given as input
* @param container
*/
- void killPreemptedContainer(RMContainer container);
+ void markContainerForKillable(RMContainer container);
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceLimits.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceLimits.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceLimits.java
index c545e9e..721eb36 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceLimits.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceLimits.java
@@ -38,6 +38,8 @@ public class ResourceLimits {
// containers.
private volatile Resource headroom;
+ private boolean allowPreempt = false;
+
public ResourceLimits(Resource limit) {
this(limit, Resources.none());
}
@@ -72,4 +74,11 @@ public class ResourceLimits {
this.amountNeededUnreserve = amountNeededUnreserve;
}
+ public boolean isAllowPreemption() {
+ return allowPreempt;
+ }
+
+ public void setIsAllowPreemption(boolean allowPreempt) {
+ this.allowPreempt = allowPreempt;
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.java
index 33ab2f1..6c4f300 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.java
@@ -64,9 +64,8 @@ public abstract class SchedulerNode {
private volatile ResourceUtilization nodeUtilization =
ResourceUtilization.newInstance(0, 0, 0f);
-
- /** Set of containers that are allocated containers. */
- private final Map<ContainerId, RMContainer> launchedContainers =
+ /* set of containers that are allocated containers */
+ protected final Map<ContainerId, RMContainer> launchedContainers =
new HashMap<>();
private final RMNode rmNode;
@@ -168,7 +167,7 @@ public abstract class SchedulerNode {
* @param deltaResource Change in the resource allocation.
* @param increase True if the change is an increase of allocation.
*/
- private synchronized void changeContainerResource(ContainerId containerId,
+ protected synchronized void changeContainerResource(ContainerId containerId,
Resource deltaResource, boolean increase) {
if (increase) {
deductUnallocatedResource(deltaResource);
@@ -242,7 +241,7 @@ public abstract class SchedulerNode {
* Update the resources of the node when allocating a new container.
* @param container Container to allocate.
*/
- private synchronized void updateResource(Container container) {
+ protected synchronized void updateResource(Container container) {
addUnallocatedResource(container.getResource());
--numContainers;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
index 39ca29b..955f8fa 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
+import java.util.Iterator;
import java.util.Map;
import java.util.Set;
@@ -45,6 +46,7 @@ import org.apache.hadoop.yarn.security.PrivilegedEntity;
import org.apache.hadoop.yarn.security.PrivilegedEntity.EntityType;
import org.apache.hadoop.yarn.security.YarnAuthorizationProvider;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
@@ -440,11 +442,8 @@ public abstract class AbstractCSQueue implements CSQueue {
Resources.multiplyAndNormalizeDown(resourceCalculator,
labelManager.getResourceByLabel(nodePartition, clusterResource),
queueCapacities.getAbsoluteMaximumCapacity(nodePartition), minimumAllocation);
- if (nodePartition.equals(RMNodeLabelsManager.NO_LABEL)) {
- return Resources.min(resourceCalculator, clusterResource,
- queueMaxResource, currentResourceLimits.getLimit());
- }
- return queueMaxResource;
+ return Resources.min(resourceCalculator, clusterResource,
+ queueMaxResource, currentResourceLimits.getLimit());
} else if (schedulingMode == SchedulingMode.IGNORE_PARTITION_EXCLUSIVITY) {
// When we doing non-exclusive resource allocation, maximum capacity of
// all queues on this label equals to total resource with the label.
@@ -474,12 +473,19 @@ public abstract class AbstractCSQueue implements CSQueue {
Resource nowTotalUsed = queueUsage.getUsed(nodePartition);
- // Set headroom for currentResourceLimits
- currentResourceLimits.setHeadroom(Resources.subtract(currentLimitResource,
- nowTotalUsed));
+ // Set headroom for currentResourceLimits:
+ // When queue is a parent queue: Headroom = limit - used + killable
+ // When queue is a leaf queue: Headroom = limit - used (leaf queue cannot preempt itself)
+ Resource usedExceptKillable = nowTotalUsed;
+ if (null != getChildQueues() && !getChildQueues().isEmpty()) {
+ usedExceptKillable = Resources.subtract(nowTotalUsed,
+ getTotalKillableResource(nodePartition));
+ }
+ currentResourceLimits.setHeadroom(
+ Resources.subtract(currentLimitResource, usedExceptKillable));
if (Resources.greaterThanOrEqual(resourceCalculator, clusterResource,
- nowTotalUsed, currentLimitResource)) {
+ usedExceptKillable, currentLimitResource)) {
// if reservation continous looking enabled, check to see if could we
// potentially use this node instead of a reserved node if the application
@@ -491,7 +497,7 @@ public abstract class AbstractCSQueue implements CSQueue {
resourceCouldBeUnreserved, Resources.none())) {
// resource-without-reserved = used - reserved
Resource newTotalWithoutReservedResource =
- Resources.subtract(nowTotalUsed, resourceCouldBeUnreserved);
+ Resources.subtract(usedExceptKillable, resourceCouldBeUnreserved);
// when total-used-without-reserved-resource < currentLimit, we still
// have chance to allocate on this node by unreserving some containers
@@ -620,11 +626,10 @@ public abstract class AbstractCSQueue implements CSQueue {
// considering all labels in cluster, only those labels which are
// use some resource of this queue can be considered.
Set<String> nodeLabels = new HashSet<String>();
- if (this.getAccessibleNodeLabels() != null
- && this.getAccessibleNodeLabels().contains(RMNodeLabelsManager.ANY)) {
- nodeLabels.addAll(Sets.union(this.getQueueCapacities()
- .getNodePartitionsSet(), this.getQueueResourceUsage()
- .getNodePartitionsSet()));
+ if (this.getAccessibleNodeLabels() != null && this.getAccessibleNodeLabels()
+ .contains(RMNodeLabelsManager.ANY)) {
+ nodeLabels.addAll(Sets.union(this.getQueueCapacities().getNodePartitionsSet(),
+ this.getQueueResourceUsage().getNodePartitionsSet()));
} else {
nodeLabels.addAll(this.getAccessibleNodeLabels());
}
@@ -636,4 +641,14 @@ public abstract class AbstractCSQueue implements CSQueue {
}
return nodeLabels;
}
+
+ public Resource getTotalKillableResource(String partition) {
+ return csContext.getPreemptionManager().getKillableResource(queueName,
+ partition);
+ }
+
+ public Iterator<RMContainer> getKillableContainers(String partition) {
+ return csContext.getPreemptionManager().getKillableContainers(queueName,
+ partition);
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSAssignment.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSAssignment.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSAssignment.java
index 68f6f12..6406efe 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSAssignment.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CSAssignment.java
@@ -26,6 +26,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.Assignment
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.util.resource.Resources;
+import java.util.List;
+
@Private
@Unstable
public class CSAssignment {
@@ -42,6 +44,7 @@ public class CSAssignment {
private boolean fulfilledReservation;
private final AssignmentInformation assignmentInformation;
private boolean increaseAllocation;
+ private List<RMContainer> containersToKill;
public CSAssignment(Resource resource, NodeType type) {
this(resource, type, null, null, false, false);
@@ -147,4 +150,12 @@ public class CSAssignment {
public void setIncreasedAllocation(boolean flag) {
increaseAllocation = flag;
}
+
+ public void setContainersToKill(List<RMContainer> containersToKill) {
+ this.containersToKill = containersToKill;
+ }
+
+ public List<RMContainer> getContainersToKill() {
+ return containersToKill;
+ }
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
index 735306a..cf5c3b5 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
@@ -108,6 +108,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerDynamicE
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerHealth;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.KillableContainer;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.AssignmentInformation;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.QueueEntitlement;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
@@ -148,6 +150,10 @@ public class CapacityScheduler extends
// timeout to join when we stop this service
protected final long THREAD_JOIN_TIMEOUT_MS = 1000;
+ private PreemptionManager preemptionManager = new PreemptionManager();
+
+ private volatile boolean isLazyPreemptionEnabled = false;
+
static final Comparator<CSQueue> nonPartitionedQueueComparator =
new Comparator<CSQueue>() {
@Override
@@ -298,12 +304,11 @@ public class CapacityScheduler extends
initMaximumResourceCapability(this.conf.getMaximumAllocation());
this.calculator = this.conf.getResourceCalculator();
this.usePortForNodeName = this.conf.getUsePortForNodeName();
- this.applications =
- new ConcurrentHashMap<ApplicationId,
- SchedulerApplication<FiCaSchedulerApp>>();
+ this.applications = new ConcurrentHashMap<>();
this.labelManager = rmContext.getNodeLabelManager();
authorizer = YarnAuthorizationProvider.getInstance(yarnConf);
initializeQueues(this.conf);
+ this.isLazyPreemptionEnabled = conf.getLazyPreemptionEnabled();
scheduleAsynchronously = this.conf.getScheduleAynschronously();
asyncScheduleInterval =
@@ -369,6 +374,9 @@ public class CapacityScheduler extends
refreshMaximumAllocation(this.conf.getMaximumAllocation());
throw new IOException("Failed to re-init queues", t);
}
+
+ // update lazy preemption
+ this.isLazyPreemptionEnabled = this.conf.getLazyPreemptionEnabled();
}
long getAsyncScheduleInterval() {
@@ -503,6 +511,9 @@ public class CapacityScheduler extends
LOG.info("Initialized root queue " + root);
updatePlacementRules();
setQueueAcls(authorizer, queues);
+
+ // Notify Preemption Manager
+ preemptionManager.refreshQueues(null, root);
}
@Lock(CapacityScheduler.class)
@@ -531,6 +542,9 @@ public class CapacityScheduler extends
labelManager.reinitializeQueueLabels(getQueueToLabels());
setQueueAcls(authorizer, queues);
+
+ // Notify Preemption Manager
+ preemptionManager.refreshQueues(null, root);
}
@VisibleForTesting
@@ -1253,8 +1267,10 @@ public class CapacityScheduler extends
// Try to schedule more if there are no reservations to fulfill
if (node.getReservedContainer() == null) {
- if (calculator.computeAvailableContainers(node.getUnallocatedResource(),
- minimumAllocation) > 0) {
+ if (calculator.computeAvailableContainers(Resources
+ .add(node.getUnallocatedResource(), node.getTotalKillableResources()),
+ minimumAllocation) > 0) {
+
if (LOG.isDebugEnabled()) {
LOG.debug("Trying to schedule on node: " + node.getNodeName() +
", available: " + node.getUnallocatedResource());
@@ -1263,10 +1279,8 @@ public class CapacityScheduler extends
assignment = root.assignContainers(
getClusterResource(),
node,
- // TODO, now we only consider limits for parent for non-labeled
- // resources, should consider labeled resources as well.
new ResourceLimits(labelManager.getResourceByLabel(
- RMNodeLabelsManager.NO_LABEL, getClusterResource())),
+ node.getPartition(), getClusterResource())),
SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY);
if (Resources.greaterThan(calculator, getClusterResource(),
assignment.getResource(), Resources.none())) {
@@ -1436,11 +1450,20 @@ public class CapacityScheduler extends
markContainerForPreemption(aid, containerToBePreempted);
}
break;
- case KILL_PREEMPTED_CONTAINER:
+ case MARK_CONTAINER_FOR_KILLABLE:
+ {
+ ContainerPreemptEvent containerKillableEvent = (ContainerPreemptEvent)event;
+ RMContainer killableContainer = containerKillableEvent.getContainer();
+ markContainerForKillable(killableContainer);
+ }
+ break;
+ case MARK_CONTAINER_FOR_NONKILLABLE:
{
- ContainerPreemptEvent killContainerEvent = (ContainerPreemptEvent)event;
- RMContainer containerToBeKilled = killContainerEvent.getContainer();
- killPreemptedContainer(containerToBeKilled);
+ if (isLazyPreemptionEnabled) {
+ ContainerPreemptEvent cancelKillContainerEvent =
+ (ContainerPreemptEvent) event;
+ markContainerForNonKillable(cancelKillContainerEvent.getContainer());
+ }
}
break;
default:
@@ -1548,14 +1571,14 @@ public class CapacityScheduler extends
protected void completedContainerInternal(
RMContainer rmContainer, ContainerStatus containerStatus,
RMContainerEventType event) {
-
Container container = rmContainer.getContainer();
+ ContainerId containerId = container.getId();
// Get the application for the finished container
FiCaSchedulerApp application =
getCurrentAttemptForContainer(container.getId());
ApplicationId appId =
- container.getId().getApplicationAttemptId().getApplicationId();
+ containerId.getApplicationAttemptId().getApplicationId();
if (application == null) {
LOG.info("Container " + container + " of" + " finished application "
+ appId + " completed with event " + event);
@@ -1569,15 +1592,6 @@ public class CapacityScheduler extends
LeafQueue queue = (LeafQueue)application.getQueue();
queue.completedContainer(getClusterResource(), application, node,
rmContainer, containerStatus, event, null, true);
-
- if (containerStatus.getExitStatus() == ContainerExitStatus.PREEMPTED) {
- schedulerHealth.updatePreemption(Time.now(), container.getNodeId(),
- container.getId(), queue.getQueuePath());
- schedulerHealth.updateSchedulerPreemptionCounts(1);
- } else {
- schedulerHealth.updateRelease(lastNodeUpdateTime, container.getNodeId(),
- container.getId(), queue.getQueuePath());
- }
}
@Override
@@ -1613,7 +1627,7 @@ public class CapacityScheduler extends
ApplicationAttemptId applicationAttemptId) {
return super.getApplicationAttempt(applicationAttemptId);
}
-
+
@Lock(Lock.NoLock.class)
public FiCaSchedulerNode getNode(NodeId nodeId) {
return nodeTracker.getNode(nodeId);
@@ -1654,15 +1668,60 @@ public class CapacityScheduler extends
}
}
- @Override
- public void killPreemptedContainer(RMContainer cont) {
+ public synchronized void markContainerForKillable(
+ RMContainer killableContainer) {
if (LOG.isDebugEnabled()) {
- LOG.debug(SchedulerEventType.KILL_PREEMPTED_CONTAINER + ": container"
- + cont.toString());
+ LOG.debug(SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE + ": container"
+ + killableContainer.toString());
+ }
+
+ if (!isLazyPreemptionEnabled) {
+ super.completedContainer(killableContainer, SchedulerUtils
+ .createPreemptedContainerStatus(killableContainer.getContainerId(),
+ SchedulerUtils.PREEMPTED_CONTAINER), RMContainerEventType.KILL);
+ } else {
+ FiCaSchedulerNode node = (FiCaSchedulerNode) getSchedulerNode(
+ killableContainer.getAllocatedNode());
+
+ FiCaSchedulerApp application = getCurrentAttemptForContainer(
+ killableContainer.getContainerId());
+
+ node.markContainerToKillable(killableContainer.getContainerId());
+
+ // notify PreemptionManager
+ // Get the application for the finished container
+ if (null != application) {
+ String leafQueueName = application.getCSLeafQueue().getQueueName();
+ getPreemptionManager().addKillableContainer(
+ new KillableContainer(killableContainer, node.getPartition(),
+ leafQueueName));
+ } }
+ }
+
+ private synchronized void markContainerForNonKillable(
+ RMContainer nonKillableContainer) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug(
+ SchedulerEventType.MARK_CONTAINER_FOR_NONKILLABLE + ": container"
+ + nonKillableContainer.toString());
+ }
+
+ FiCaSchedulerNode node = (FiCaSchedulerNode) getSchedulerNode(
+ nonKillableContainer.getAllocatedNode());
+
+ FiCaSchedulerApp application = getCurrentAttemptForContainer(
+ nonKillableContainer.getContainerId());
+
+ node.markContainerToNonKillable(nonKillableContainer.getContainerId());
+
+ // notify PreemptionManager
+ // Get the application for the finished container
+ if (null != application) {
+ String leafQueueName = application.getCSLeafQueue().getQueueName();
+ getPreemptionManager().removeKillableContainer(
+ new KillableContainer(nonKillableContainer, node.getPartition(),
+ leafQueueName));
}
- super.completedContainer(cont, SchedulerUtils
- .createPreemptedContainerStatus(cont.getContainerId(),
- SchedulerUtils.PREEMPTED_CONTAINER), RMContainerEventType.KILL);
}
@Override
@@ -1945,6 +2004,7 @@ public class CapacityScheduler extends
return ret;
}
+ @Override
public SchedulerHealth getSchedulerHealth() {
return this.schedulerHealth;
}
@@ -1954,6 +2014,11 @@ public class CapacityScheduler extends
}
@Override
+ public long getLastNodeUpdateTime() {
+ return lastNodeUpdateTime;
+ }
+
+ @Override
public Priority checkAndGetApplicationPriority(Priority priorityFromContext,
String user, String queueName, ApplicationId applicationId)
throws YarnException {
@@ -2054,4 +2119,9 @@ public class CapacityScheduler extends
+ rmApp.getQueue() + " for application: " + applicationId
+ " for the user: " + rmApp.getUser());
}
+
+ @Override
+ public PreemptionManager getPreemptionManager() {
+ return preemptionManager;
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
index 3756d9e..3729264 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
@@ -257,6 +257,12 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
public static final String RESERVATION_ENFORCEMENT_WINDOW =
"reservation-enforcement-window";
+ @Private
+ public static final String LAZY_PREEMPTION_ENALBED = PREFIX + "lazy-preemption-enabled";
+
+ @Private
+ public static final boolean DEFAULT_LAZY_PREEMPTION_ENABLED = false;
+
public CapacitySchedulerConfiguration() {
this(new Configuration());
}
@@ -1007,7 +1013,11 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
@VisibleForTesting
public void setOrderingPolicyParameter(String queue,
String parameterKey, String parameterValue) {
- set(getQueuePrefix(queue) + ORDERING_POLICY + "."
- + parameterKey, parameterValue);
+ set(getQueuePrefix(queue) + ORDERING_POLICY + "." + parameterKey,
+ parameterValue);
+ }
+
+ public boolean getLazyPreemptionEnabled() {
+ return getBoolean(LAZY_PREEMPTION_ENALBED, DEFAULT_LAZY_PREEMPTION_ENABLED);
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.java
index 2a0dd0d..1203272 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.java
@@ -18,17 +18,20 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
-import java.util.Comparator;
-
import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerHealth;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
+import java.util.Comparator;
+
/**
* Read-only interface to {@link CapacityScheduler} context.
*/
@@ -61,4 +64,12 @@ public interface CapacitySchedulerContext {
PartitionedQueueComparator getPartitionedQueueComparator();
FiCaSchedulerNode getNode(NodeId nodeId);
+
+ FiCaSchedulerApp getApplicationAttempt(ApplicationAttemptId attemptId);
+
+ PreemptionManager getPreemptionManager();
+
+ SchedulerHealth getSchedulerHealth();
+
+ long getLastNodeUpdateTime();
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
index c625fae..3dc2090 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
@@ -37,9 +37,11 @@ import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.AccessControlList;
+import org.apache.hadoop.util.Time;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.QueueACL;
@@ -63,7 +65,9 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedContainerChangeRequest;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.AMState;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerHealth;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.KillableContainer;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.FifoOrderingPolicyForPendingApps;
@@ -823,6 +827,40 @@ public class LeafQueue extends AbstractCSQueue {
assignment.setExcessReservation(null);
}
}
+
+ private void killToPreemptContainers(Resource clusterResource,
+ FiCaSchedulerNode node,
+ CSAssignment assignment) {
+ if (assignment.getContainersToKill() != null) {
+ StringBuilder sb = new StringBuilder("Killing containers: [");
+
+ for (RMContainer c : assignment.getContainersToKill()) {
+ FiCaSchedulerApp application = csContext.getApplicationAttempt(
+ c.getApplicationAttemptId());
+ LeafQueue q = application.getCSLeafQueue();
+ q.completedContainer(clusterResource, application, node, c, SchedulerUtils
+ .createPreemptedContainerStatus(c.getContainerId(),
+ SchedulerUtils.PREEMPTED_CONTAINER), RMContainerEventType.KILL,
+ null, false);
+ sb.append("(container=" + c.getContainerId() + " resource=" + c
+ .getAllocatedResource() + ")");
+ }
+
+ sb.append("] for container=" + assignment.getAssignmentInformation()
+ .getFirstAllocatedOrReservedContainerId() + " resource=" + assignment
+ .getResource());
+ LOG.info(sb.toString());
+
+ }
+ }
+
+ private void setPreemptionAllowed(ResourceLimits limits, String nodePartition) {
+ // Set preemption-allowed:
+ // For leaf queue, only under-utilized queue is allowed to preempt resources from other queues
+ float usedCapacity = queueCapacities.getAbsoluteUsedCapacity(nodePartition);
+ float guaranteedCapacity = queueCapacities.getAbsoluteCapacity(nodePartition);
+ limits.setIsAllowPreemption(usedCapacity < guaranteedCapacity);
+ }
@Override
public synchronized CSAssignment assignContainers(Resource clusterResource,
@@ -835,6 +873,8 @@ public class LeafQueue extends AbstractCSQueue {
+ " #applications=" + orderingPolicy.getNumSchedulableEntities());
}
+ setPreemptionAllowed(currentResourceLimits, node.getPartition());
+
// Check for reserved resources
RMContainer reservedContainer = node.getReservedContainer();
if (reservedContainer != null) {
@@ -846,6 +886,7 @@ public class LeafQueue extends AbstractCSQueue {
currentResourceLimits, schedulingMode, reservedContainer);
handleExcessReservedContainer(clusterResource, assignment, node,
application);
+ killToPreemptContainers(clusterResource, node, assignment);
return assignment;
}
}
@@ -907,6 +948,7 @@ public class LeafQueue extends AbstractCSQueue {
handleExcessReservedContainer(clusterResource, assignment, node,
application);
+ killToPreemptContainers(clusterResource, node, assignment);
if (Resources.greaterThan(resourceCalculator, clusterResource, assigned,
Resources.none())) {
@@ -1210,11 +1252,34 @@ public class LeafQueue extends AbstractCSQueue {
}
}
+ private void updateSchedulerHealthForCompletedContainer(
+ RMContainer rmContainer, ContainerStatus containerStatus) {
+ // Update SchedulerHealth for released / preempted container
+ SchedulerHealth schedulerHealth = csContext.getSchedulerHealth();
+ if (null == schedulerHealth) {
+ // Only do update if we have schedulerHealth
+ return;
+ }
+
+ if (containerStatus.getExitStatus() == ContainerExitStatus.PREEMPTED) {
+ schedulerHealth.updatePreemption(Time.now(), rmContainer.getAllocatedNode(),
+ rmContainer.getContainerId(), getQueuePath());
+ schedulerHealth.updateSchedulerPreemptionCounts(1);
+ } else {
+ schedulerHealth.updateRelease(csContext.getLastNodeUpdateTime(),
+ rmContainer.getAllocatedNode(), rmContainer.getContainerId(),
+ getQueuePath());
+ }
+ }
+
@Override
public void completedContainer(Resource clusterResource,
FiCaSchedulerApp application, FiCaSchedulerNode node, RMContainer rmContainer,
ContainerStatus containerStatus, RMContainerEventType event, CSQueue childQueue,
boolean sortQueues) {
+ // Update SchedulerHealth for released / preempted container
+ updateSchedulerHealthForCompletedContainer(rmContainer, containerStatus);
+
if (application != null) {
// unreserve container increase request if it previously reserved.
if (rmContainer.hasIncreaseReservation()) {
@@ -1265,6 +1330,10 @@ public class LeafQueue extends AbstractCSQueue {
rmContainer, null, event, this, sortQueues);
}
}
+
+ // Notify PreemptionManager
+ csContext.getPreemptionManager().removeKillableContainer(
+ new KillableContainer(rmContainer, node.getPartition(), queueName));
}
synchronized void allocateResource(Resource clusterResource,
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
index 7cf5565..6fcd6c1 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
@@ -18,18 +18,6 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeSet;
-
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -49,6 +37,7 @@ import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.exceptions.InvalidResourceRequestException;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
+import org.apache.hadoop.yarn.nodelabels.RMNodeLabel;
import org.apache.hadoop.yarn.security.AccessType;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
@@ -57,12 +46,25 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerStat
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedContainerChangeRequest;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.util.resource.Resources;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeSet;
+
@Private
@Evolving
public class ParentQueue extends AbstractCSQueue {
@@ -386,6 +388,11 @@ public class ParentQueue extends AbstractCSQueue {
// if our queue cannot access this node, just return
if (schedulingMode == SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY
&& !accessibleToPartition(node.getPartition())) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Skip this queue=" + getQueuePath()
+ + ", because it is not able to access partition=" + node
+ .getPartition());
+ }
return CSAssignment.NULL_ASSIGNMENT;
}
@@ -431,7 +438,7 @@ public class ParentQueue extends AbstractCSQueue {
resourceCalculator, clusterResource,
assignedToChild.getResource(), Resources.none())) {
// Track resource utilization for the parent-queue
- super.allocateResource(clusterResource, assignedToChild.getResource(),
+ allocateResource(clusterResource, assignedToChild.getResource(),
node.getPartition(), assignedToChild.isIncreasedAllocation());
// Track resource utilization in this pass of the scheduler
@@ -494,29 +501,38 @@ public class ParentQueue extends AbstractCSQueue {
}
private boolean canAssign(Resource clusterResource, FiCaSchedulerNode node) {
- return (node.getReservedContainer() == null) &&
- Resources.greaterThanOrEqual(resourceCalculator, clusterResource,
- node.getUnallocatedResource(), minimumAllocation);
+ // Two conditions need to meet when trying to allocate:
+ // 1) Node doesn't have reserved container
+ // 2) Node's available-resource + killable-resource should > 0
+ return node.getReservedContainer() == null && Resources.greaterThanOrEqual(
+ resourceCalculator, clusterResource, Resources
+ .add(node.getUnallocatedResource(), node.getTotalKillableResources()),
+ minimumAllocation);
}
-
+
private ResourceLimits getResourceLimitsOfChild(CSQueue child,
- Resource clusterResource, ResourceLimits parentLimits) {
+ Resource clusterResource, ResourceLimits parentLimits,
+ String nodePartition) {
// 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
- Resource parentMaxAvailableResource =
- Resources.subtract(parentLimits.getLimit(), getUsedResources());
+ Resource parentMaxAvailableResource = Resources.subtract(
+ parentLimits.getLimit(), queueUsage.getUsed(nodePartition));
+ // Deduct killable from used
+ Resources.addTo(parentMaxAvailableResource,
+ getTotalKillableResource(nodePartition));
// Child's limit = parent-available-resource + child-used
- Resource childLimit =
- Resources.add(parentMaxAvailableResource, child.getUsedResources());
+ Resource childLimit = Resources.add(parentMaxAvailableResource,
+ child.getQueueResourceUsage().getUsed(nodePartition));
// Get child's max resource
- Resource childConfiguredMaxResource =
- Resources.multiplyAndNormalizeDown(resourceCalculator, labelManager
- .getResourceByLabel(RMNodeLabelsManager.NO_LABEL, clusterResource),
- child.getAbsoluteMaximumCapacity(), minimumAllocation);
+ Resource childConfiguredMaxResource = Resources.multiplyAndNormalizeDown(
+ resourceCalculator,
+ labelManager.getResourceByLabel(nodePartition, clusterResource),
+ child.getQueueCapacities().getAbsoluteMaximumCapacity(nodePartition),
+ minimumAllocation);
// Child's limit should be capped by child configured max resource
childLimit =
@@ -568,7 +584,7 @@ public class ParentQueue extends AbstractCSQueue {
// Get ResourceLimits of child queue before assign containers
ResourceLimits childLimits =
- getResourceLimitsOfChild(childQueue, cluster, limits);
+ getResourceLimitsOfChild(childQueue, cluster, limits, node.getPartition());
assignment = childQueue.assignContainers(cluster, node,
childLimits, schedulingMode);
@@ -714,8 +730,8 @@ public class ParentQueue extends AbstractCSQueue {
// Update all children
for (CSQueue childQueue : childQueues) {
// Get ResourceLimits of child queue before assign containers
- ResourceLimits childLimits =
- getResourceLimitsOfChild(childQueue, clusterResource, resourceLimits);
+ ResourceLimits childLimits = getResourceLimitsOfChild(childQueue,
+ clusterResource, resourceLimits, RMNodeLabelsManager.NO_LABEL);
childQueue.updateClusterResource(clusterResource, childLimits);
}
@@ -738,8 +754,8 @@ public class ParentQueue extends AbstractCSQueue {
synchronized (this) {
FiCaSchedulerNode node =
scheduler.getNode(rmContainer.getContainer().getNodeId());
- super.allocateResource(clusterResource, rmContainer.getContainer()
- .getResource(), node.getPartition(), false);
+ allocateResource(clusterResource,
+ rmContainer.getContainer().getResource(), node.getPartition(), false);
}
if (parent != null) {
parent.recoverContainer(clusterResource, attempt, rmContainer);
@@ -766,7 +782,7 @@ public class ParentQueue extends AbstractCSQueue {
if (application != null) {
FiCaSchedulerNode node =
scheduler.getNode(rmContainer.getContainer().getNodeId());
- super.allocateResource(clusterResource, rmContainer.getContainer()
+ allocateResource(clusterResource, rmContainer.getContainer()
.getResource(), node.getPartition(), false);
LOG.info("movedContainer" + " queueMoveIn=" + getQueueName()
+ " usedCapacity=" + getUsedCapacity() + " absoluteUsedCapacity="
@@ -802,4 +818,79 @@ public class ParentQueue extends AbstractCSQueue {
public synchronized int getNumApplications() {
return numApplications;
}
+
+ synchronized void allocateResource(Resource clusterResource,
+ Resource resource, String nodePartition, boolean changeContainerResource) {
+ super.allocateResource(clusterResource, resource, nodePartition,
+ changeContainerResource);
+
+ /**
+ * check if we need to kill (killable) containers if maximum resource violated.
+ * Doing this because we will deduct killable resource when going from root.
+ * For example:
+ * <pre>
+ * Root
+ * / \
+ * a b
+ * / \
+ * a1 a2
+ * </pre>
+ *
+ * a: max=10G, used=10G, killable=2G
+ * a1: used=8G, killable=2G
+ * a2: used=2G, pending=2G, killable=0G
+ *
+ * When we get queue-a to allocate resource, even if queue-a
+ * reaches its max resource, we deduct its used by killable, so we can allocate
+ * at most 2G resources. ResourceLimits passed down to a2 has headroom set to 2G.
+ *
+ * If scheduler finds a 2G available resource in existing cluster, and assigns it
+ * to a2, now a2's used= 2G + 2G = 4G, and a's used = 8G + 4G = 12G > 10G
+ *
+ * When this happens, we have to preempt killable container (on same or different
+ * nodes) of parent queue to avoid violating parent's max resource.
+ */
+ if (getQueueCapacities().getAbsoluteMaximumCapacity(nodePartition)
+ < getQueueCapacities().getAbsoluteUsedCapacity(nodePartition)) {
+ killContainersToEnforceMaxQueueCapacity(nodePartition, clusterResource);
+ }
+ }
+
+ private void killContainersToEnforceMaxQueueCapacity(String partition,
+ Resource clusterResource) {
+ Iterator<RMContainer> killableContainerIter = getKillableContainers(
+ partition);
+ if (!killableContainerIter.hasNext()) {
+ return;
+ }
+
+ Resource partitionResource = labelManager.getResourceByLabel(partition,
+ null);
+ Resource maxResource = Resources.multiply(partitionResource,
+ getQueueCapacities().getAbsoluteMaximumCapacity(partition));
+
+ while (Resources.greaterThan(resourceCalculator, partitionResource,
+ queueUsage.getUsed(partition), maxResource)) {
+ RMContainer toKillContainer = killableContainerIter.next();
+ FiCaSchedulerApp attempt = csContext.getApplicationAttempt(
+ toKillContainer.getContainerId().getApplicationAttemptId());
+ FiCaSchedulerNode node = csContext.getNode(
+ toKillContainer.getAllocatedNode());
+ if (null != attempt && null != node) {
+ LeafQueue lq = attempt.getCSLeafQueue();
+ lq.completedContainer(clusterResource, attempt, node, toKillContainer,
+ SchedulerUtils.createPreemptedContainerStatus(
+ toKillContainer.getContainerId(),
+ SchedulerUtils.PREEMPTED_CONTAINER), RMContainerEventType.KILL,
+ null, false);
+ LOG.info("Killed container=" + toKillContainer.getContainerId()
+ + " from queue=" + lq.getQueueName() + " to make queue=" + this
+ .getQueueName() + "'s max-capacity enforced");
+ }
+
+ if (!killableContainerIter.hasNext()) {
+ break;
+ }
+ }
+ }
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/AbstractContainerAllocator.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/AbstractContainerAllocator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/AbstractContainerAllocator.java
index ee01bd1..afac235 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/AbstractContainerAllocator.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/AbstractContainerAllocator.java
@@ -108,6 +108,8 @@ public abstract class AbstractContainerAllocator {
assignment.setFulfilledReservation(true);
}
}
+
+ assignment.setContainersToKill(result.getToKillContainers());
}
return assignment;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocation.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocation.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocation.java
index 1df9410..8f749f6 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocation.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/ContainerAllocation.java
@@ -19,11 +19,14 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator;
import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.util.resource.Resources;
+import java.util.List;
+
public class ContainerAllocation {
/**
* Skip the locality (e.g. node-local, rack-local, any), and look at other
@@ -56,6 +59,7 @@ public class ContainerAllocation {
NodeType containerNodeType = NodeType.NODE_LOCAL;
NodeType requestNodeType = NodeType.NODE_LOCAL;
Container updatedContainer;
+ private List<RMContainer> toKillContainers;
public ContainerAllocation(RMContainer containerToBeUnreserved,
Resource resourceToBeAllocated, AllocationState state) {
@@ -86,4 +90,12 @@ public class ContainerAllocation {
public Container getUpdatedContainer() {
return updatedContainer;
}
+
+ public void setToKillContainers(List<RMContainer> toKillContainers) {
+ this.toKillContainers = toKillContainers;
+ }
+
+ public List<RMContainer> getToKillContainers() {
+ return toKillContainers;
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
index e168edf..a5ca2d8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
@@ -42,6 +42,9 @@ import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
import org.apache.hadoop.yarn.util.resource.Resources;
+import java.util.ArrayList;
+import java.util.List;
+
/**
* Allocate normal (new) containers, considers locality/label, etc. Using
* delayed scheduling mechanism to get better locality allocation.
@@ -435,9 +438,6 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
return ContainerAllocation.LOCALITY_SKIPPED;
}
- assert Resources.greaterThan(
- rc, clusterResource, available, Resources.none());
-
boolean shouldAllocOrReserveNewContainer = shouldAllocOrReserveNewContainer(
priority, capability);
@@ -460,6 +460,29 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
boolean reservationsContinueLooking =
application.getCSLeafQueue().getReservationContinueLooking();
+ // Check if we need to kill some containers to allocate this one
+ List<RMContainer> toKillContainers = null;
+ if (availableContainers == 0 && currentResoureLimits.isAllowPreemption()) {
+ Resource availableAndKillable = Resources.clone(available);
+ for (RMContainer killableContainer : node
+ .getKillableContainers().values()) {
+ if (null == toKillContainers) {
+ toKillContainers = new ArrayList<>();
+ }
+ toKillContainers.add(killableContainer);
+ Resources.addTo(availableAndKillable,
+ killableContainer.getAllocatedResource());
+ if (Resources.fitsIn(rc,
+ clusterResource,
+ capability,
+ availableAndKillable)) {
+ // Stop if we find enough spaces
+ availableContainers = 1;
+ break;
+ }
+ }
+ }
+
if (availableContainers > 0) {
// Allocate...
// We will only do continuous reservation when this is not allocated from
@@ -499,12 +522,12 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
new ContainerAllocation(unreservedContainer, request.getCapability(),
AllocationState.ALLOCATED);
result.containerNodeType = type;
+ result.setToKillContainers(toKillContainers);
return result;
} else {
// if we are allowed to allocate but this node doesn't have space, reserve
// it or if this was an already a reserved container, reserve it again
if (shouldAllocOrReserveNewContainer || rmContainer != null) {
-
if (reservationsContinueLooking && rmContainer == null) {
// we could possibly ignoring queue capacity or user limits when
// reservationsContinueLooking is set. Make sure we didn't need to
@@ -522,6 +545,7 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
new ContainerAllocation(null, request.getCapability(),
AllocationState.RESERVED);
result.containerNodeType = type;
+ result.setToKillContainers(null);
return result;
}
// Skip the locality request
@@ -613,8 +637,7 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
}
ContainerAllocation doAllocation(ContainerAllocation allocationResult,
- Resource clusterResource, FiCaSchedulerNode node,
- SchedulingMode schedulingMode, Priority priority,
+ FiCaSchedulerNode node, Priority priority,
RMContainer reservedContainer) {
// Create the container if necessary
Container container =
@@ -678,9 +701,7 @@ public class RegularContainerAllocator extends AbstractContainerAllocator {
if (AllocationState.ALLOCATED == result.state
|| AllocationState.RESERVED == result.state) {
- result =
- doAllocation(result, clusterResource, node, schedulingMode, priority,
- reservedContainer);
+ result = doAllocation(result, node, priority, reservedContainer);
}
return result;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/KillableContainer.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/KillableContainer.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/KillableContainer.java
new file mode 100644
index 0000000..675b0b4
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/KillableContainer.java
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption;
+
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+
+public class KillableContainer {
+ RMContainer container;
+ String partition;
+ String leafQueueName;
+
+ public KillableContainer(RMContainer container, String partition, String leafQueueName) {
+ this.container = container;
+ this.partition = partition;
+ this.leafQueueName = leafQueueName;
+ }
+
+ public RMContainer getRMContainer() {
+ return this.container;
+ }
+
+ public String getNodePartition() {
+ return this.partition;
+ }
+
+ public String getLeafQueueName() {
+ return this.leafQueueName;
+ }
+}
[2/3] hadoop git commit: CapacityScheduler: Improve preemption to
only kill containers that would satisfy the incoming request. (Wangda Tan)
Posted by wa...@apache.org.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java
new file mode 100644
index 0000000..19148d7
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptableQueue.java
@@ -0,0 +1,102 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption;
+
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentSkipListMap;
+
+public class PreemptableQueue {
+ // Partition -> killable resources and containers
+ private Map<String, Resource> totalKillableResources = new HashMap<>();
+ private Map<String, Map<ContainerId, RMContainer>> killableContainers =
+ new HashMap<>();
+ private PreemptableQueue parent;
+
+ public PreemptableQueue(PreemptableQueue parent) {
+ this.parent = parent;
+ }
+
+ public PreemptableQueue(Map<String, Resource> totalKillableResources,
+ Map<String, Map<ContainerId, RMContainer>> killableContainers) {
+ this.totalKillableResources = totalKillableResources;
+ this.killableContainers = killableContainers;
+ }
+
+ void addKillableContainer(KillableContainer container) {
+ String partition = container.getNodePartition();
+ if (!totalKillableResources.containsKey(partition)) {
+ totalKillableResources.put(partition, Resources.createResource(0));
+ killableContainers.put(partition,
+ new ConcurrentSkipListMap<ContainerId, RMContainer>());
+ }
+
+ RMContainer c = container.getRMContainer();
+ Resources.addTo(totalKillableResources.get(partition),
+ c.getAllocatedResource());
+ killableContainers.get(partition).put(c.getContainerId(), c);
+
+ if (null != parent) {
+ parent.addKillableContainer(container);
+ }
+ }
+
+ void removeKillableContainer(KillableContainer container) {
+ String partition = container.getNodePartition();
+ Map<ContainerId, RMContainer> partitionKillableContainers =
+ killableContainers.get(partition);
+ if (partitionKillableContainers != null) {
+ RMContainer rmContainer = partitionKillableContainers.remove(
+ container.getRMContainer().getContainerId());
+ if (null != rmContainer) {
+ Resources.subtractFrom(totalKillableResources.get(partition),
+ rmContainer.getAllocatedResource());
+ }
+ }
+
+ if (null != parent) {
+ parent.removeKillableContainer(container);
+ }
+ }
+
+ public Resource getKillableResource(String partition) {
+ Resource res = totalKillableResources.get(partition);
+ return res == null ? Resources.none() : res;
+ }
+
+ @SuppressWarnings("unchecked")
+ public Map<ContainerId, RMContainer> getKillableContainers(String partition) {
+ Map<ContainerId, RMContainer> map = killableContainers.get(partition);
+ return map == null ? Collections.EMPTY_MAP : map;
+ }
+
+ public Map<String, Map<ContainerId, RMContainer>> getKillableContainers() {
+ return killableContainers;
+ }
+
+ Map<String, Resource> getTotalKillableResources() {
+ return totalKillableResources;
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java
new file mode 100644
index 0000000..a9f02a5
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.java
@@ -0,0 +1,165 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption;
+
+import com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+public class PreemptionManager {
+ private ReentrantReadWriteLock.ReadLock readLock;
+ private ReentrantReadWriteLock.WriteLock writeLock;
+ private Map<String, PreemptableQueue> entities = new HashMap<>();
+
+ public PreemptionManager() {
+ ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
+ readLock = lock.readLock();
+ writeLock = lock.writeLock();
+ }
+
+ public void refreshQueues(CSQueue parent, CSQueue current) {
+ try {
+ writeLock.lock();
+ PreemptableQueue parentEntity = null;
+ if (parent != null) {
+ parentEntity = entities.get(parent.getQueueName());
+ }
+
+ if (!entities.containsKey(current.getQueueName())) {
+ entities.put(current.getQueueName(),
+ new PreemptableQueue(parentEntity));
+ }
+
+ if (current.getChildQueues() != null) {
+ for (CSQueue child : current.getChildQueues()) {
+ refreshQueues(current, child);
+ }
+ }
+ }
+ finally {
+ writeLock.unlock();
+ }
+ }
+
+ public void addKillableContainer(KillableContainer container) {
+ try {
+ writeLock.lock();
+ PreemptableQueue entity = entities.get(container.getLeafQueueName());
+ if (null != entity) {
+ entity.addKillableContainer(container);
+ }
+ }
+ finally {
+ writeLock.unlock();
+ }
+ }
+
+ public void removeKillableContainer(KillableContainer container) {
+ try {
+ writeLock.lock();
+ PreemptableQueue entity = entities.get(container.getLeafQueueName());
+ if (null != entity) {
+ entity.removeKillableContainer(container);
+ }
+ }
+ finally {
+ writeLock.unlock();
+ }
+ }
+
+ public void moveKillableContainer(KillableContainer oldContainer,
+ KillableContainer newContainer) {
+ // TODO, will be called when partition of the node changed OR
+ // container moved to different queue
+ }
+
+ public void updateKillableContainerResource(KillableContainer container,
+ Resource oldResource, Resource newResource) {
+ // TODO, will be called when container's resource changed
+ }
+
+ @VisibleForTesting
+ public Map<ContainerId, RMContainer> getKillableContainersMap(
+ String queueName, String partition) {
+ try {
+ readLock.lock();
+ PreemptableQueue entity = entities.get(queueName);
+ if (entity != null) {
+ Map<ContainerId, RMContainer> containers =
+ entity.getKillableContainers().get(partition);
+ if (containers != null) {
+ return containers;
+ }
+ }
+ return Collections.emptyMap();
+ }
+ finally {
+ readLock.unlock();
+ }
+ }
+
+ public Iterator<RMContainer> getKillableContainers(String queueName,
+ String partition) {
+ return getKillableContainersMap(queueName, partition).values().iterator();
+ }
+
+ public Resource getKillableResource(String queueName, String partition) {
+ try {
+ readLock.lock();
+ PreemptableQueue entity = entities.get(queueName);
+ if (entity != null) {
+ Resource res = entity.getTotalKillableResources().get(partition);
+ if (res == null || res.equals(Resources.none())) {
+ return Resources.none();
+ }
+ return Resources.clone(res);
+ }
+ return Resources.none();
+ }
+ finally {
+ readLock.unlock();
+ }
+ }
+
+ public Map<String, PreemptableQueue> getShallowCopyOfPreemptableEntities() {
+ try {
+ readLock.lock();
+ Map<String, PreemptableQueue> map = new HashMap<>();
+ for (Map.Entry<String, PreemptableQueue> entry : entities.entrySet()) {
+ String key = entry.getKey();
+ PreemptableQueue entity = entry.getValue();
+ map.put(key, new PreemptableQueue(
+ new HashMap<>(entity.getTotalKillableResources()),
+ new HashMap<>(entity.getKillableContainers())));
+ }
+ return map;
+ } finally {
+ readLock.unlock();
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
index 5158255..aad3bc7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/AssignmentInformation.java
@@ -120,9 +120,9 @@ public class AssignmentInformation {
}
private ContainerId getFirstContainerIdFromOperation(Operation op) {
- if (null != operationDetails.get(Operation.ALLOCATION)) {
+ if (null != operationDetails.get(op)) {
List<AssignmentDetails> assignDetails =
- operationDetails.get(Operation.ALLOCATION);
+ operationDetails.get(op);
if (!assignDetails.isEmpty()) {
return assignDetails.get(0).containerId;
}
@@ -131,7 +131,7 @@ public class AssignmentInformation {
}
public ContainerId getFirstAllocatedOrReservedContainerId() {
- ContainerId containerId = null;
+ ContainerId containerId;
containerId = getFirstContainerIdFromOperation(Operation.ALLOCATION);
if (null != containerId) {
return containerId;
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
index 4d563cd..f474aad 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
@@ -59,6 +59,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSAMCont
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSAssignment;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityHeadroomProvider;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerContext;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode;
@@ -94,6 +95,7 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
* to hold the message if its app doesn't not get container from a node
*/
private String appSkipNodeDiagnostics;
+ private CapacitySchedulerContext capacitySchedulerContext;
public FiCaSchedulerApp(ApplicationAttemptId applicationAttemptId,
String user, Queue queue, ActiveUsersManager activeUsersManager,
@@ -138,28 +140,30 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
}
containerAllocator = new ContainerAllocator(this, rc, rmContext);
+
+ if (scheduler instanceof CapacityScheduler) {
+ capacitySchedulerContext = (CapacitySchedulerContext) scheduler;
+ }
}
- synchronized public boolean containerCompleted(RMContainer rmContainer,
+ public synchronized boolean containerCompleted(RMContainer rmContainer,
ContainerStatus containerStatus, RMContainerEventType event,
String partition) {
+ ContainerId containerId = rmContainer.getContainerId();
// Remove from the list of containers
- if (null == liveContainers.remove(rmContainer.getContainerId())) {
+ if (null == liveContainers.remove(containerId)) {
return false;
}
-
+
// Remove from the list of newly allocated containers if found
newlyAllocatedContainers.remove(rmContainer);
- Container container = rmContainer.getContainer();
- ContainerId containerId = container.getId();
-
// Inform the container
rmContainer.handle(
new RMContainerFinishedEvent(containerId, containerStatus, event));
- containersToPreempt.remove(rmContainer.getContainerId());
+ containersToPreempt.remove(containerId);
RMAuditLogger.logSuccess(getUser(),
AuditConstants.RELEASE_CONTAINER, "SchedulerApp",
@@ -176,7 +180,7 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
return true;
}
- synchronized public RMContainer allocate(NodeType type, FiCaSchedulerNode node,
+ public synchronized RMContainer allocate(NodeType type, FiCaSchedulerNode node,
Priority priority, ResourceRequest request,
Container container) {
@@ -200,7 +204,9 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
// Add it to allContainers list.
newlyAllocatedContainers.add(rmContainer);
- liveContainers.put(container.getId(), rmContainer);
+
+ ContainerId containerId = container.getId();
+ liveContainers.put(containerId, rmContainer);
// Update consumption and track allocations
List<ResourceRequest> resourceRequestList = appSchedulingInfo.allocate(
@@ -213,17 +219,17 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
// Inform the container
rmContainer.handle(
- new RMContainerEvent(container.getId(), RMContainerEventType.START));
+ new RMContainerEvent(containerId, RMContainerEventType.START));
if (LOG.isDebugEnabled()) {
LOG.debug("allocate: applicationAttemptId="
- + container.getId().getApplicationAttemptId()
- + " container=" + container.getId() + " host="
+ + containerId.getApplicationAttemptId()
+ + " container=" + containerId + " host="
+ container.getNodeId().getHost() + " type=" + type);
}
RMAuditLogger.logSuccess(getUser(),
AuditConstants.ALLOC_CONTAINER, "SchedulerApp",
- getApplicationId(), container.getId());
+ getApplicationId(), containerId);
return rmContainer;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
index fe6db47..1d0e78a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.java
@@ -18,22 +18,29 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica;
-
-import java.util.Set;
-
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
+import org.apache.hadoop.yarn.util.resource.Resources;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
public class FiCaSchedulerNode extends SchedulerNode {
private static final Log LOG = LogFactory.getLog(FiCaSchedulerNode.class);
+ private Map<ContainerId, RMContainer> killableContainers = new HashMap<>();
+ private Resource totalKillableResources = Resource.newInstance(0, 0);
public FiCaSchedulerNode(RMNode node, boolean usePortForNodeName,
Set<String> nodeLabels) {
@@ -92,7 +99,6 @@ public class FiCaSchedulerNode extends SchedulerNode {
@Override
public synchronized void unreserveResource(
SchedulerApplicationAttempt application) {
-
// adding NP checks as this can now be called for preemption
if (getReservedContainer() != null
&& getReservedContainer().getContainer() != null
@@ -115,4 +121,55 @@ public class FiCaSchedulerNode extends SchedulerNode {
}
setReservedContainer(null);
}
+
+ // According to decisions from preemption policy, mark the container to killable
+ public synchronized void markContainerToKillable(ContainerId containerId) {
+ RMContainer c = launchedContainers.get(containerId);
+ if (c != null && !killableContainers.containsKey(containerId)) {
+ killableContainers.put(containerId, c);
+ Resources.addTo(totalKillableResources, c.getAllocatedResource());
+ }
+ }
+
+ // According to decisions from preemption policy, mark the container to
+ // non-killable
+ public synchronized void markContainerToNonKillable(ContainerId containerId) {
+ RMContainer c = launchedContainers.get(containerId);
+ if (c != null && killableContainers.containsKey(containerId)) {
+ killableContainers.remove(containerId);
+ Resources.subtractFrom(totalKillableResources, c.getAllocatedResource());
+ }
+ }
+
+ @Override
+ protected synchronized void updateResource(
+ Container container) {
+ super.updateResource(container);
+ if (killableContainers.containsKey(container.getId())) {
+ Resources.subtractFrom(totalKillableResources, container.getResource());
+ killableContainers.remove(container.getId());
+ }
+ }
+
+ @Override
+ protected synchronized void changeContainerResource(ContainerId containerId,
+ Resource deltaResource, boolean increase) {
+ super.changeContainerResource(containerId, deltaResource, increase);
+
+ if (killableContainers.containsKey(containerId)) {
+ if (increase) {
+ Resources.addTo(totalKillableResources, deltaResource);
+ } else {
+ Resources.subtractFrom(totalKillableResources, deltaResource);
+ }
+ }
+ }
+
+ public synchronized Resource getTotalKillableResources() {
+ return totalKillableResources;
+ }
+
+ public synchronized Map<ContainerId, RMContainer> getKillableContainers() {
+ return killableContainers;
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
index 9cf09e9..35b7c14 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEventType.java
@@ -38,10 +38,15 @@ public enum SchedulerEventType {
// Source: ContainerAllocationExpirer
CONTAINER_EXPIRED,
- // Source: SchedulingEditPolicy
+ /* Source: SchedulingEditPolicy */
KILL_RESERVED_CONTAINER,
- MARK_CONTAINER_FOR_PREEMPTION, // Mark a container for preemption
- // in the near future
- KILL_PREEMPTED_CONTAINER // Kill a container previously marked for
- // preemption
+
+ // Mark a container for preemption
+ MARK_CONTAINER_FOR_PREEMPTION,
+
+ // Mark a for-preemption container killable
+ MARK_CONTAINER_FOR_KILLABLE,
+
+ // Cancel a killable container
+ MARK_CONTAINER_FOR_NONKILLABLE
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
index d9306dd..c944752 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMDispatcher.java
@@ -59,7 +59,7 @@ public class TestRMDispatcher {
rmDispatcher.getEventHandler().handle(event1);
ContainerPreemptEvent event2 =
new ContainerPreemptEvent(appAttemptId, container,
- SchedulerEventType.KILL_PREEMPTED_CONTAINER);
+ SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE);
rmDispatcher.getEventHandler().handle(event2);
ContainerPreemptEvent event3 =
new ContainerPreemptEvent(appAttemptId, container,
@@ -70,7 +70,7 @@ public class TestRMDispatcher {
verify(sched, times(3)).handle(any(SchedulerEvent.class));
verify(sched).killReservedContainer(container);
verify(sched).markContainerForPreemption(appAttemptId, container);
- verify(sched).killPreemptedContainer(container);
+ verify(sched).markContainerForKillable(container);
} catch (InterruptedException e) {
Assert.fail();
} finally {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
index 028afb1..3057615 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java
@@ -2352,7 +2352,7 @@ public class TestRMRestart extends ParameterizedSchedulerTestBase {
FiCaSchedulerApp schedulerAppAttempt = cs.getSchedulerApplications()
.get(app0.getApplicationId()).getCurrentAppAttempt();
// kill app0-attempt
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(
app0.getCurrentAppAttempt().getMasterContainer().getId()));
am0.waitForState(RMAppAttemptState.FAILED);
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
index 5035afe..16f3f60 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
@@ -63,7 +63,6 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEv
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.util.ControlledClock;
import org.apache.hadoop.yarn.util.Records;
-import org.apache.hadoop.yarn.util.SystemClock;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.junit.Assert;
import org.junit.Test;
@@ -566,7 +565,7 @@ public class TestAMRestart {
ContainerId amContainer =
ContainerId.newContainerId(am1.getApplicationAttemptId(), 1);
// Preempt the first attempt;
- scheduler.killPreemptedContainer(scheduler.getRMContainer(amContainer));
+ scheduler.markContainerForKillable(scheduler.getRMContainer(amContainer));
am1.waitForState(RMAppAttemptState.FAILED);
Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry());
@@ -582,7 +581,7 @@ public class TestAMRestart {
// Preempt the second attempt.
ContainerId amContainer2 =
ContainerId.newContainerId(am2.getApplicationAttemptId(), 1);
- scheduler.killPreemptedContainer(scheduler.getRMContainer(amContainer2));
+ scheduler.markContainerForKillable(scheduler.getRMContainer(amContainer2));
am2.waitForState(RMAppAttemptState.FAILED);
Assert.assertTrue(! attempt2.shouldCountTowardsMaxAttemptRetry());
@@ -677,7 +676,7 @@ public class TestAMRestart {
ContainerId.newContainerId(am1.getApplicationAttemptId(), 1);
// Forcibly preempt the am container;
- scheduler.killPreemptedContainer(scheduler.getRMContainer(amContainer));
+ scheduler.markContainerForKillable(scheduler.getRMContainer(amContainer));
am1.waitForState(RMAppAttemptState.FAILED);
Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry());
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
index 13f267d..e9129de 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
@@ -23,7 +23,7 @@ import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.Pro
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.OBSERVE_ONLY;
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.TOTAL_PREEMPTION_PER_ROUND;
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.WAIT_TIME_BEFORE_KILL;
-import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType.KILL_PREEMPTED_CONTAINER;
+import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType.MARK_CONTAINER_FOR_KILLABLE;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType.MARK_CONTAINER_FOR_PREEMPTION;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@@ -75,6 +75,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.ContainerPreemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
@@ -167,6 +168,7 @@ public class TestProportionalCapacityPreemptionPolicy {
when(mCS.getConfiguration()).thenReturn(schedConf);
rmContext = mock(RMContext.class);
when(mCS.getRMContext()).thenReturn(rmContext);
+ when(mCS.getPreemptionManager()).thenReturn(new PreemptionManager());
when(rmContext.getNodeLabelManager()).thenReturn(lm);
mDisp = mock(EventHandler.class);
Dispatcher disp = mock(Dispatcher.class);
@@ -289,7 +291,7 @@ public class TestProportionalCapacityPreemptionPolicy {
List<ContainerPreemptEvent> events = evtCaptor.getAllValues();
for (ContainerPreemptEvent e : events.subList(20, 20)) {
assertEquals(appC, e.getAppId());
- assertEquals(KILL_PREEMPTED_CONTAINER, e.getType());
+ assertEquals(MARK_CONTAINER_FOR_KILLABLE, e.getType());
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
index 512f37c..21ea495 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyForNodePartitions.java
@@ -67,6 +67,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.OrderingPolicy;
@@ -123,6 +124,7 @@ public class TestProportionalCapacityPreemptionPolicyForNodePartitions {
mClock = mock(Clock.class);
cs = mock(CapacityScheduler.class);
when(cs.getResourceCalculator()).thenReturn(rc);
+ when(cs.getPreemptionManager()).thenReturn(new PreemptionManager());
nlm = mock(RMNodeLabelsManager.class);
mDisp = mock(EventHandler.class);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
index 0b32676..171196f 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java
@@ -52,6 +52,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
@@ -264,6 +265,7 @@ public class TestApplicationLimits {
thenReturn(CapacityScheduler.nonPartitionedQueueComparator);
when(csContext.getResourceCalculator()).thenReturn(resourceCalculator);
when(csContext.getRMContext()).thenReturn(rmContext);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
// Say cluster has 100 nodes of 16G each
Resource clusterResource =
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
index 1569a12..d8161f8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
@@ -205,7 +205,7 @@ public class TestApplicationPriority {
if (++counter > 2) {
break;
}
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(c.getId()));
}
// check node report, 12 GB used and 4 GB available
@@ -512,7 +512,7 @@ public class TestApplicationPriority {
if (++counter > 2) {
break;
}
- cs.killPreemptedContainer(schedulerAppAttemptApp1.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttemptApp1.getRMContainer(c.getId()));
iterator.remove();
}
@@ -542,7 +542,7 @@ public class TestApplicationPriority {
if (++counter > 1) {
break;
}
- cs.killPreemptedContainer(schedulerAppAttemptApp1.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttemptApp1.getRMContainer(c.getId()));
iterator.remove();
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
index b6c005b..16ba607 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
@@ -1188,7 +1188,7 @@ public class TestCapacityScheduler {
// kill the 3 containers
for (Container c : allocatedContainers) {
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(c.getId()));
}
// check values
@@ -1197,7 +1197,7 @@ public class TestCapacityScheduler {
Resource.newInstance(CONTAINER_MEMORY * 3, 3), false, 3);
// kill app0-attempt0 AM container
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(app0
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(app0
.getCurrentAppAttempt().getMasterContainer().getId()));
// wait for app0 failed
@@ -1220,7 +1220,7 @@ public class TestCapacityScheduler {
allocatedContainers =
am1.allocateAndWaitForContainers(3, CONTAINER_MEMORY, nm1);
for (Container c : allocatedContainers) {
- cs.killPreemptedContainer(schedulerAppAttempt.getRMContainer(c.getId()));
+ cs.markContainerForKillable(schedulerAppAttempt.getRMContainer(c.getId()));
}
// check values
@@ -1269,7 +1269,7 @@ public class TestCapacityScheduler {
}
// Call killContainer to preempt the container
- cs.killPreemptedContainer(rmContainer);
+ cs.markContainerForKillable(rmContainer);
Assert.assertEquals(3, requests.size());
for (ResourceRequest request : requests) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java
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diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerPreemption.java
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+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
+
+import com.google.common.collect.Sets;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.service.Service;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.ResourceRequest;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.MockAM;
+import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
+import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
+import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.RMActiveServices;
+import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingEditPolicy;
+import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingMonitor;
+import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy;
+import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NullRMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.resource.Resources;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class TestCapacitySchedulerPreemption {
+ private static final Log LOG = LogFactory.getLog(
+ TestCapacitySchedulerPreemption.class);
+
+ private final int GB = 1024;
+
+ private Configuration conf;
+
+ RMNodeLabelsManager mgr;
+
+ Clock clock;
+
+ @Before
+ public void setUp() throws Exception {
+ conf = new YarnConfiguration();
+ conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
+ ResourceScheduler.class);
+ conf.setBoolean(YarnConfiguration.RM_SCHEDULER_ENABLE_MONITORS, true);
+ conf.setClass(YarnConfiguration.RM_SCHEDULER_MONITOR_POLICIES,
+ ProportionalCapacityPreemptionPolicy.class, SchedulingEditPolicy.class);
+ conf = TestUtils.getConfigurationWithMultipleQueues(this.conf);
+
+ // Set preemption related configurations
+ conf.setInt(ProportionalCapacityPreemptionPolicy.WAIT_TIME_BEFORE_KILL,
+ 0);
+ conf.setBoolean(CapacitySchedulerConfiguration.LAZY_PREEMPTION_ENALBED,
+ true);
+ conf.setFloat(
+ ProportionalCapacityPreemptionPolicy.TOTAL_PREEMPTION_PER_ROUND, 1.0f);
+ conf.setFloat(
+ ProportionalCapacityPreemptionPolicy.NATURAL_TERMINATION_FACTOR, 1.0f);
+ mgr = new NullRMNodeLabelsManager();
+ mgr.init(this.conf);
+ clock = mock(Clock.class);
+ when(clock.getTime()).thenReturn(0L);
+ }
+
+ private SchedulingEditPolicy getSchedulingEditPolicy(MockRM rm) {
+ RMActiveServices activeServices = rm.getRMActiveService();
+ SchedulingMonitor mon = null;
+ for (Service service : activeServices.getServices()) {
+ if (service instanceof SchedulingMonitor) {
+ mon = (SchedulingMonitor) service;
+ break;
+ }
+ }
+
+ if (mon != null) {
+ return mon.getSchedulingEditPolicy();
+ }
+ return null;
+ }
+
+ @Test (timeout = 60000)
+ public void testSimplePreemption() throws Exception {
+ /**
+ * Test case: Submit two application (app1/app2) to different queues, queue
+ * structure:
+ *
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ *
+ * 1) Two nodes in the cluster, each of them has 4G.
+ *
+ * 2) app1 submit to queue-a first, it asked 7 * 1G containers, so there's no
+ * more resource available.
+ *
+ * 3) app2 submit to queue-c, ask for one 1G container (for AM)
+ *
+ * Now the cluster is fulfilled.
+ *
+ * 4) app2 asks for another 1G container, system will preempt one container
+ * from app1, and app2 will receive the preempted container
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 7, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+ Assert.assertEquals(1, killableContainers.size());
+ Assert.assertEquals(killableContainers.entrySet().iterator().next().getKey()
+ .getApplicationAttemptId(), am1.getApplicationAttemptId());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 6 containers, and app2 has 2 containers
+ Assert.assertEquals(6, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(2, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionConsidersNodeLocalityDelay()
+ throws Exception {
+ /**
+ * Test case: same as testSimplePreemption steps 1-3.
+ *
+ * Step 4: app2 asks for 1G container with locality specified, so it needs
+ * to wait for missed-opportunity before get scheduled.
+ * Check if system waits missed-opportunity before finish killable container
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container with unknown host and unknown rack
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1), ResourceRequest
+ .newInstance(Priority.newInstance(1), "unknownhost",
+ Resources.createResource(1 * GB), 1), ResourceRequest
+ .newInstance(Priority.newInstance(1), "/default-rack",
+ Resources.createResource(1 * GB), 1)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+ Assert.assertEquals(killableContainers.entrySet().iterator().next().getKey()
+ .getApplicationAttemptId(), am1.getApplicationAttemptId());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 7 containers, and app2 has 1 containers (no container preempted)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ // Do allocation again, one container will be preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ // App1 has 6 containers, and app2 has 2 containers (new container allocated)
+ Assert.assertEquals(6, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(2, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionConsidersHardNodeLocality()
+ throws Exception {
+ /**
+ * Test case: same as testSimplePreemption steps 1-3.
+ *
+ * Step 4: app2 asks for 1G container with hard locality specified, and
+ * asked host is not existed
+ * Confirm system doesn't preempt any container.
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ }
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container for h3 with hard locality,
+ // h3 doesn't exist in the cluster
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1, true), ResourceRequest
+ .newInstance(Priority.newInstance(1), "h3",
+ Resources.createResource(1 * GB), 1, false), ResourceRequest
+ .newInstance(Priority.newInstance(1), "/default-rack",
+ Resources.createResource(1 * GB), 1, false)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+ Assert.assertEquals(killableContainers.entrySet().iterator().next().getKey()
+ .getApplicationAttemptId(), am1.getApplicationAttemptId());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 7 containers, and app2 has 1 containers (no container preempted)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ // Do allocation again, nothing will be preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ // App1 has 7 containers, and app2 has 1 containers (no container allocated)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionPolicyShouldRespectAlreadyMarkedKillableContainers()
+ throws Exception {
+ /**
+ * Test case:
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ * Submit applications to two queues, one uses more than the other, so
+ * preemption will happen.
+ *
+ * Check:
+ * 1) Killable containers resources will be excluded from PCPP (no duplicated
+ * container added to killable list)
+ * 2) When more resources need to be preempted, new containers will be selected
+ * and killable containers will be considered
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 8 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 6 times for node1
+ for (int i = 0; i < 6; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm1);
+
+ // NM1 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ am2.allocate("*", 1 * GB, 1, new ArrayList<ContainerId>());
+
+ // Get edit policy and do one update
+ ProportionalCapacityPreemptionPolicy editPolicy =
+ (ProportionalCapacityPreemptionPolicy) getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if one container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 1);
+
+ // Check killable containers and to-be-preempted containers in edit policy
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+
+ // Run edit schedule again, confirm status doesn't changed
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+
+ // Save current to kill containers
+ Set<ContainerId> previousKillableContainers = new HashSet<>(
+ pm.getKillableContainersMap("a", RMNodeLabelsManager.NO_LABEL)
+ .keySet());
+
+ // Update request resource of c from 1 to 2, so we need to preempt
+ // one more container
+ am2.allocate("*", 1 * GB, 2, new ArrayList<ContainerId>());
+
+ // Call editPolicy.editSchedule() once, we should have 1 container in to-preempt map
+ // and 1 container in killable map
+ editPolicy.editSchedule();
+ Assert.assertEquals(1, editPolicy.getToPreemptContainers().size());
+
+ // Call editPolicy.editSchedule() once more, we should have 2 containers killable map
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+
+ // Check if previous killable containers included by new killable containers
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 2);
+ Assert.assertTrue(
+ Sets.difference(previousKillableContainers, killableContainers.keySet())
+ .isEmpty());
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionPolicyCleanupKillableContainersWhenNoPreemptionNeeded()
+ throws Exception {
+ /**
+ * Test case:
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ * Submit applications to two queues, one uses more than the other, so
+ * preemption will happen.
+ *
+ * Check:
+ * 1) Containers will be marked to killable
+ * 2) Cancel resource request
+ * 3) Killable containers will be cancelled from policy and scheduler
+ */
+ MockRM rm1 = new MockRM(conf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 8 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 6 times for node1
+ for (int i = 0; i < 6; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm1);
+
+ // NM1 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ am2.allocate("*", 3 * GB, 1, new ArrayList<ContainerId>());
+
+ // Get edit policy and do one update
+ ProportionalCapacityPreemptionPolicy editPolicy =
+ (ProportionalCapacityPreemptionPolicy) getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if 3 container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ PreemptionManager pm = cs.getPreemptionManager();
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 3);
+
+ // Change reqeust from 3G to 2G, now we can preempt one less container. (3->2)
+ am2.allocate("*", 2 * GB, 1, new ArrayList<ContainerId>());
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 2);
+
+ // Call editSchedule once more to make sure still nothing happens
+ editPolicy.editSchedule();
+ Assert.assertEquals(0, editPolicy.getToPreemptContainers().size());
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 2);
+ }
+
+ @Test (timeout = 60000)
+ public void testPreemptionConsidersUserLimit()
+ throws Exception {
+ /**
+ * Test case: Submit two application (app1/app2) to different queues, queue
+ * structure:
+ *
+ * <pre>
+ * Root
+ * / | \
+ * a b c
+ * 10 20 70
+ * </pre>
+ *
+ * Queue-c's user-limit-factor = 0.1, so single user cannot allocate >1 containers in queue-c
+ *
+ * 1) Two nodes in the cluster, each of them has 4G.
+ *
+ * 2) app1 submit to queue-a first, it asked 7 * 1G containers, so there's no
+ * more resource available.
+ *
+ * 3) app2 submit to queue-c, ask for one 1G container (for AM)
+ *
+ * Now the cluster is fulfilled.
+ *
+ * 4) app2 asks for another 1G container, system will preempt one container
+ * from app1, and app2 will receive the preempted container
+ */
+ CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration(conf);
+ csConf.setUserLimitFactor(CapacitySchedulerConfiguration.ROOT + ".c", 0.1f);
+ MockRM rm1 = new MockRM(csConf);
+ rm1.getRMContext().setNodeLabelManager(mgr);
+ rm1.start();
+ MockNM nm1 = rm1.registerNode("h1:1234", 4 * GB);
+ MockNM nm2 = rm1.registerNode("h2:1234", 4 * GB);
+ CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
+ RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
+ RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
+
+ // launch an app to queue, AM container should be launched in nm1
+ RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
+
+ am1.allocate("*", 1 * GB, 6, new ArrayList<ContainerId>());
+
+ // Do allocation 3 times for node1/node2
+ for (int i = 0; i < 3; i++) {
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+ }
+
+ // App1 should have 7 containers now, and no available resource for cluster
+ FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(
+ am1.getApplicationAttemptId());
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+
+ // Submit app2 to queue-c and asks for a 1G container for AM
+ RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "c");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm2);
+
+ // NM1/NM2 has available resource = 0G
+ Assert.assertEquals(0 * GB, cs.getNode(nm1.getNodeId())
+ .getUnallocatedResource().getMemory());
+ Assert.assertEquals(0 * GB, cs.getNode(nm2.getNodeId())
+ .getUnallocatedResource().getMemory());
+
+ // AM asks for a 1 * GB container
+ am2.allocate(Arrays.asList(ResourceRequest
+ .newInstance(Priority.newInstance(1), ResourceRequest.ANY,
+ Resources.createResource(1 * GB), 1)), null);
+
+ // Get edit policy and do one update
+ SchedulingEditPolicy editPolicy = getSchedulingEditPolicy(rm1);
+
+ // Call edit schedule twice, and check if no container from app1 marked
+ // to be "killable"
+ editPolicy.editSchedule();
+ editPolicy.editSchedule();
+
+ // No preemption happens
+ PreemptionManager pm = cs.getPreemptionManager();
+ Map<ContainerId, RMContainer> killableContainers =
+ waitKillableContainersSize(pm, "a", RMNodeLabelsManager.NO_LABEL, 0);
+ Assert.assertEquals(0, killableContainers.size());
+
+ // Call CS.handle once to see if container preempted
+ cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
+
+ FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(
+ am2.getApplicationAttemptId());
+
+ // App1 has 7 containers, and app2 has 1 containers (nothing preempted)
+ Assert.assertEquals(7, schedulerApp1.getLiveContainers().size());
+ Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
+
+ rm1.close();
+ }
+
+ private Map<ContainerId, RMContainer> waitKillableContainersSize(
+ PreemptionManager pm, String queueName, String partition,
+ int expectedSize) throws InterruptedException {
+ Map<ContainerId, RMContainer> killableContainers =
+ pm.getKillableContainersMap(queueName, partition);
+
+ int wait = 0;
+ // Wait for at most 5 sec (it should be super fast actually)
+ while (expectedSize != killableContainers.size() && wait < 500) {
+ killableContainers = pm.getKillableContainersMap(queueName, partition);
+ Thread.sleep(10);
+ wait++;
+ }
+
+ Assert.assertEquals(expectedSize, killableContainers.size());
+ return killableContainers;
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
index 5169337..1612201 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java
@@ -51,6 +51,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEven
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
@@ -99,6 +100,7 @@ public class TestChildQueueOrder {
when(csContext.getResourceCalculator()).
thenReturn(resourceComparator);
when(csContext.getRMContext()).thenReturn(rmContext);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
}
private FiCaSchedulerApp getMockApplication(int appId, String user) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
index 69b0813..87a3d51 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
@@ -71,6 +71,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManage
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
@@ -150,6 +151,7 @@ public class TestLeafQueue {
thenReturn(CapacityScheduler.nonPartitionedQueueComparator);
when(csContext.getResourceCalculator()).
thenReturn(resourceCalculator);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
when(csContext.getRMContext()).thenReturn(rmContext);
RMContainerTokenSecretManager containerTokenSecretManager =
new RMContainerTokenSecretManager(conf);
@@ -3092,6 +3094,7 @@ public class TestLeafQueue {
Resources.createResource(GB, 1));
when(csContext.getMaximumResourceCapability()).thenReturn(
Resources.createResource(2 * GB, 2));
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
return csContext;
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
index bbf6e43..1ee201d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
@@ -39,6 +39,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NullRMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
@@ -1676,4 +1677,100 @@ public class TestNodeLabelContainerAllocation {
checkNumOfContainersInAnAppOnGivenNode(2, nm1.getNodeId(),
cs.getApplicationAttempt(am1.getApplicationAttemptId()));
}
+
+ @Test
+ public void testParentQueueMaxCapsAreRespected() throws Exception {
+ /*
+ * Queue tree:
+ * Root
+ * / \
+ * A B
+ * / \
+ * A1 A2
+ *
+ * A has 50% capacity and 50% max capacity (of label=x)
+ * A1/A2 has 50% capacity and 100% max capacity (of label=x)
+ * Cluster has one node (label=x) with resource = 24G.
+ * So we can at most use 12G resources under queueA.
+ */
+ CapacitySchedulerConfiguration csConf =
+ new CapacitySchedulerConfiguration(this.conf);
+
+ // Define top-level queues
+ csConf.setQueues(CapacitySchedulerConfiguration.ROOT, new String[] { "a",
+ "b"});
+ csConf.setCapacityByLabel(CapacitySchedulerConfiguration.ROOT, "x", 100);
+
+ final String A = CapacitySchedulerConfiguration.ROOT + ".a";
+ csConf.setCapacity(A, 10);
+ csConf.setAccessibleNodeLabels(A, toSet("x"));
+ csConf.setCapacityByLabel(A, "x", 50);
+ csConf.setMaximumCapacityByLabel(A, "x", 50);
+
+ final String B = CapacitySchedulerConfiguration.ROOT + ".b";
+ csConf.setCapacity(B, 90);
+ csConf.setAccessibleNodeLabels(B, toSet("x"));
+ csConf.setCapacityByLabel(B, "x", 50);
+ csConf.setMaximumCapacityByLabel(B, "x", 50);
+
+ // Define 2nd-level queues
+ csConf.setQueues(A, new String[] { "a1",
+ "a2"});
+
+ final String A1 = A + ".a1";
+ csConf.setCapacity(A1, 50);
+ csConf.setAccessibleNodeLabels(A1, toSet("x"));
+ csConf.setCapacityByLabel(A1, "x", 50);
+ csConf.setMaximumCapacityByLabel(A1, "x", 100);
+ csConf.setUserLimitFactor(A1, 100.0f);
+
+ final String A2 = A + ".a2";
+ csConf.setCapacity(A2, 50);
+ csConf.setAccessibleNodeLabels(A2, toSet("x"));
+ csConf.setCapacityByLabel(A2, "x", 50);
+ csConf.setMaximumCapacityByLabel(A2, "x", 100);
+ csConf.setUserLimitFactor(A2, 100.0f);
+
+ // set node -> label
+ mgr.addToCluserNodeLabels(ImmutableSet.of(
+ NodeLabel.newInstance("x", false)));
+ mgr.addLabelsToNode(ImmutableMap.of(NodeId.newInstance("h1", 0), toSet("x")));
+
+ // inject node label manager
+ MockRM rm = new MockRM(csConf) {
+ @Override
+ public RMNodeLabelsManager createNodeLabelManager() {
+ return mgr;
+ }
+ };
+
+ rm.getRMContext().setNodeLabelManager(mgr);
+ rm.start();
+
+ CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();
+
+ MockNM nm1 =
+ new MockNM("h1:1234", 24 * GB, rm.getResourceTrackerService());
+ nm1.registerNode();
+
+ // Launch app1 in a1, resource usage is 1GB (am) + 4GB * 2 = 9GB
+ RMApp app1 = rm.submitApp(1 * GB, "app", "user", null, "a1", "x");
+ MockAM am1 = MockRM.launchAndRegisterAM(app1, rm, nm1);
+ am1.allocate("*", 4 * GB, 2, new ArrayList<ContainerId>(), "x");
+ doNMHeartbeat(rm, nm1.getNodeId(), 10);
+ checkNumOfContainersInAnAppOnGivenNode(3, nm1.getNodeId(),
+ cs.getApplicationAttempt(am1.getApplicationAttemptId()));
+
+ // Try to launch app2 in a2, asked 2GB, should success
+ RMApp app2 = rm.submitApp(2 * GB, "app", "user", null, "a2", "x");
+ MockAM am2 = MockRM.launchAndRegisterAM(app2, rm, nm1);
+
+ // am2 asks more resources, cannot success because current used = 9G (app1)
+ // + 2G (app2) = 11G, and queue's max capacity = 12G
+ am2.allocate("*", 2 * GB, 2, new ArrayList<ContainerId>(), "x");
+
+ doNMHeartbeat(rm, nm1.getNodeId(), 10);
+ checkNumOfContainersInAnAppOnGivenNode(1, nm1.getNodeId(),
+ cs.getApplicationAttempt(am2.getApplicationAttemptId()));
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
index f73baa4..23dc860 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestParentQueue.java
@@ -47,6 +47,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
@@ -92,6 +93,7 @@ public class TestParentQueue {
thenReturn(Resources.createResource(100 * 16 * GB, 100 * 32));
when(csContext.getNonPartitionedQueueComparator()).
thenReturn(CapacityScheduler.nonPartitionedQueueComparator);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
when(csContext.getResourceCalculator()).
thenReturn(resourceComparator);
when(csContext.getRMContext()).thenReturn(rmContext);
http://git-wip-us.apache.org/repos/asf/hadoop/blob/7e8c9beb/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
index 2ef5e39..56facee 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservations.java
@@ -55,6 +55,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt.AMState;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
@@ -126,6 +127,7 @@ public class TestReservations {
when(csContext.getNonPartitionedQueueComparator()).thenReturn(
CapacityScheduler.nonPartitionedQueueComparator);
when(csContext.getResourceCalculator()).thenReturn(resourceCalculator);
+ when(csContext.getPreemptionManager()).thenReturn(new PreemptionManager());
when(csContext.getRMContext()).thenReturn(rmContext);
RMContainerTokenSecretManager containerTokenSecretManager = new RMContainerTokenSecretManager(
conf);