YARN-2498. Respect labels in preemption policy of capacity scheduler for inter-queue preemption. Contributed by Wangda Tan

(cherry picked from commit d497f6ea2b)
This commit is contained in:
Jian He 2015-04-24 17:03:13 -07:00
parent 932cff610a
commit 9bf09b334d
12 changed files with 1750 additions and 298 deletions

View File

@ -54,6 +54,9 @@ Release 2.8.0 - UNRELEASED
YARN-3319. Implement a FairOrderingPolicy. (Craig Welch via wangda)
YARN-2498. Respect labels in preemption policy of capacity scheduler for
inter-queue preemption. (Wangda Tan via jianhe)
IMPROVEMENTS
YARN-1880. Cleanup TestApplicationClientProtocolOnHA

View File

@ -17,6 +17,7 @@
*/
package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@ -26,11 +27,10 @@ import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NavigableSet;
import java.util.PriorityQueue;
import java.util.Set;
import java.util.TreeSet;
import org.apache.commons.collections.map.HashedMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
@ -40,7 +40,6 @@ import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingEditPolicy;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
@ -49,7 +48,9 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerPreemptE
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.PreemptableResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
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.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.util.Clock;
import org.apache.hadoop.yarn.util.SystemClock;
@ -57,6 +58,7 @@ import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
import org.apache.hadoop.yarn.util.resource.Resources;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableSet;
/**
* This class implement a {@link SchedulingEditPolicy} that is designed to be
@ -130,7 +132,9 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
private float percentageClusterPreemptionAllowed;
private double naturalTerminationFactor;
private boolean observeOnly;
private Map<NodeId, Set<String>> labels;
private Map<String, Map<String, TempQueuePerPartition>> queueToPartitions =
new HashMap<>();
private RMNodeLabelsManager nlm;
public ProportionalCapacityPreemptionPolicy() {
clock = new SystemClock();
@ -170,7 +174,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
config.getFloat(TOTAL_PREEMPTION_PER_ROUND, (float) 0.1);
observeOnly = config.getBoolean(OBSERVE_ONLY, false);
rc = scheduler.getResourceCalculator();
labels = null;
nlm = scheduler.getRMContext().getNodeLabelManager();
}
@VisibleForTesting
@ -182,35 +186,9 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
public void editSchedule() {
CSQueue root = scheduler.getRootQueue();
Resource clusterResources = Resources.clone(scheduler.getClusterResource());
clusterResources = getNonLabeledResources(clusterResources);
setNodeLabels(scheduler.getRMContext().getNodeLabelManager()
.getNodeLabels());
containerBasedPreemptOrKill(root, clusterResources);
}
/**
* Setting Node Labels
*
* @param nodelabels
*/
public void setNodeLabels(Map<NodeId, Set<String>> nodelabels) {
labels = nodelabels;
}
/**
* This method returns all non labeled resources.
*
* @param clusterResources
* @return Resources
*/
private Resource getNonLabeledResources(Resource clusterResources) {
RMContext rmcontext = scheduler.getRMContext();
RMNodeLabelsManager lm = rmcontext.getNodeLabelManager();
Resource res = lm.getResourceByLabel(RMNodeLabelsManager.NO_LABEL,
clusterResources);
return res == null ? clusterResources : res;
}
/**
* This method selects and tracks containers to be preempted. If a container
* is in the target list for more than maxWaitTime it is killed.
@ -220,28 +198,46 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
*/
private void containerBasedPreemptOrKill(CSQueue root,
Resource clusterResources) {
// All partitions to look at
Set<String> allPartitions = new HashSet<>();
allPartitions.addAll(scheduler.getRMContext()
.getNodeLabelManager().getClusterNodeLabelNames());
allPartitions.add(RMNodeLabelsManager.NO_LABEL);
// extract a summary of the queues from scheduler
TempQueue tRoot;
synchronized (scheduler) {
tRoot = cloneQueues(root, clusterResources);
queueToPartitions.clear();
for (String partitionToLookAt : allPartitions) {
cloneQueues(root,
nlm.getResourceByLabel(partitionToLookAt, clusterResources),
partitionToLookAt);
}
}
// compute the ideal distribution of resources among queues
// updates cloned queues state accordingly
tRoot.idealAssigned = tRoot.guaranteed;
// compute total preemption allowed
Resource totalPreemptionAllowed = Resources.multiply(clusterResources,
percentageClusterPreemptionAllowed);
List<TempQueue> queues =
recursivelyComputeIdealAssignment(tRoot, totalPreemptionAllowed);
Set<String> leafQueueNames = null;
for (String partition : allPartitions) {
TempQueuePerPartition tRoot =
getQueueByPartition(CapacitySchedulerConfiguration.ROOT, partition);
// compute the ideal distribution of resources among queues
// updates cloned queues state accordingly
tRoot.idealAssigned = tRoot.guaranteed;
leafQueueNames =
recursivelyComputeIdealAssignment(tRoot, totalPreemptionAllowed);
}
// based on ideal allocation select containers to be preempted from each
// queue and each application
Map<ApplicationAttemptId,Set<RMContainer>> toPreempt =
getContainersToPreempt(queues, clusterResources);
getContainersToPreempt(leafQueueNames, clusterResources);
if (LOG.isDebugEnabled()) {
logToCSV(queues);
logToCSV(new ArrayList<String>(leafQueueNames));
}
// if we are in observeOnly mode return before any action is taken
@ -252,6 +248,10 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// preempt (or kill) the selected containers
for (Map.Entry<ApplicationAttemptId,Set<RMContainer>> e
: toPreempt.entrySet()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Send to scheduler: in app=" + e.getKey()
+ " #containers-to-be-preempted=" + e.getValue().size());
}
for (RMContainer container : e.getValue()) {
// if we tried to preempt this for more than maxWaitTime
if (preempted.get(container) != null &&
@ -291,23 +291,24 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* @param totalPreemptionAllowed maximum amount of preemption allowed
* @return a list of leaf queues updated with preemption targets
*/
private List<TempQueue> recursivelyComputeIdealAssignment(
TempQueue root, Resource totalPreemptionAllowed) {
List<TempQueue> leafs = new ArrayList<TempQueue>();
private Set<String> recursivelyComputeIdealAssignment(
TempQueuePerPartition root, Resource totalPreemptionAllowed) {
Set<String> leafQueueNames = new HashSet<>();
if (root.getChildren() != null &&
root.getChildren().size() > 0) {
// compute ideal distribution at this level
computeIdealResourceDistribution(rc, root.getChildren(),
totalPreemptionAllowed, root.idealAssigned);
// compute recursively for lower levels and build list of leafs
for(TempQueue t : root.getChildren()) {
leafs.addAll(recursivelyComputeIdealAssignment(t, totalPreemptionAllowed));
for(TempQueuePerPartition t : root.getChildren()) {
leafQueueNames.addAll(recursivelyComputeIdealAssignment(t,
totalPreemptionAllowed));
}
} else {
// we are in a leaf nothing to do, just return yourself
return Collections.singletonList(root);
return ImmutableSet.of(root.queueName);
}
return leafs;
return leafQueueNames;
}
/**
@ -324,20 +325,21 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* @param tot_guarant the amount of capacity assigned to this pool of queues
*/
private void computeIdealResourceDistribution(ResourceCalculator rc,
List<TempQueue> queues, Resource totalPreemptionAllowed, Resource tot_guarant) {
List<TempQueuePerPartition> queues, Resource totalPreemptionAllowed,
Resource tot_guarant) {
// qAlloc tracks currently active queues (will decrease progressively as
// demand is met)
List<TempQueue> qAlloc = new ArrayList<TempQueue>(queues);
List<TempQueuePerPartition> qAlloc = new ArrayList<TempQueuePerPartition>(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<TempQueue> nonZeroGuarQueues = new HashSet<TempQueue>();
Set<TempQueue> zeroGuarQueues = new HashSet<TempQueue>();
Set<TempQueuePerPartition> nonZeroGuarQueues = new HashSet<TempQueuePerPartition>();
Set<TempQueuePerPartition> zeroGuarQueues = new HashSet<TempQueuePerPartition>();
for (TempQueue q : qAlloc) {
for (TempQueuePerPartition q : qAlloc) {
if (Resources
.greaterThan(rc, tot_guarant, q.guaranteed, Resources.none())) {
nonZeroGuarQueues.add(q);
@ -361,7 +363,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// based on ideal assignment computed above and current assignment we derive
// how much preemption is required overall
Resource totPreemptionNeeded = Resource.newInstance(0, 0);
for (TempQueue t:queues) {
for (TempQueuePerPartition t:queues) {
if (Resources.greaterThan(rc, tot_guarant, t.current, t.idealAssigned)) {
Resources.addTo(totPreemptionNeeded,
Resources.subtract(t.current, t.idealAssigned));
@ -379,12 +381,12 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// assign to each queue the amount of actual preemption based on local
// information of ideal preemption and scaling factor
for (TempQueue t : queues) {
for (TempQueuePerPartition t : queues) {
t.assignPreemption(scalingFactor, rc, tot_guarant);
}
if (LOG.isDebugEnabled()) {
long time = clock.getTime();
for (TempQueue t : queues) {
for (TempQueuePerPartition t : queues) {
LOG.debug(time + ": " + t);
}
}
@ -400,8 +402,8 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* distributed uniformly.
*/
private void computeFixpointAllocation(ResourceCalculator rc,
Resource tot_guarant, Collection<TempQueue> qAlloc, Resource unassigned,
boolean ignoreGuarantee) {
Resource tot_guarant, Collection<TempQueuePerPartition> qAlloc,
Resource unassigned, boolean ignoreGuarantee) {
// Prior to assigning the unused resources, process each queue as follows:
// If current > guaranteed, idealAssigned = guaranteed + untouchable extra
// Else idealAssigned = current;
@ -410,10 +412,10 @@ 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<TempQueue> orderedByNeed =
new PriorityQueue<TempQueue>(10,tqComparator);
for (Iterator<TempQueue> i = qAlloc.iterator(); i.hasNext();) {
TempQueue q = i.next();
PriorityQueue<TempQueuePerPartition> orderedByNeed =
new PriorityQueue<TempQueuePerPartition>(10, tqComparator);
for (Iterator<TempQueuePerPartition> i = qAlloc.iterator(); i.hasNext();) {
TempQueuePerPartition q = i.next();
if (Resources.greaterThan(rc, tot_guarant, q.current, q.guaranteed)) {
q.idealAssigned = Resources.add(q.guaranteed, q.untouchableExtra);
} else {
@ -442,10 +444,11 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// place it back in the ordered list of queues, recalculating its place
// in the order of most under-guaranteed to most over-guaranteed. In this
// way, the most underserved queue(s) are always given resources first.
Collection<TempQueue> underserved =
Collection<TempQueuePerPartition> underserved =
getMostUnderservedQueues(orderedByNeed, tqComparator);
for (Iterator<TempQueue> i = underserved.iterator(); i.hasNext();) {
TempQueue sub = i.next();
for (Iterator<TempQueuePerPartition> i = underserved.iterator(); i
.hasNext();) {
TempQueuePerPartition sub = i.next();
Resource wQavail = Resources.multiplyAndNormalizeUp(rc,
unassigned, sub.normalizedGuarantee, Resource.newInstance(1, 1));
Resource wQidle = sub.offer(wQavail, rc, tot_guarant);
@ -466,13 +469,13 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// Take the most underserved TempQueue (the one on the head). Collect and
// return the list of all queues that have the same idealAssigned
// percentage of guaranteed.
protected Collection<TempQueue> getMostUnderservedQueues(
PriorityQueue<TempQueue> orderedByNeed, TQComparator tqComparator) {
ArrayList<TempQueue> underserved = new ArrayList<TempQueue>();
protected Collection<TempQueuePerPartition> getMostUnderservedQueues(
PriorityQueue<TempQueuePerPartition> orderedByNeed, TQComparator tqComparator) {
ArrayList<TempQueuePerPartition> underserved = new ArrayList<TempQueuePerPartition>();
while (!orderedByNeed.isEmpty()) {
TempQueue q1 = orderedByNeed.remove();
TempQueuePerPartition q1 = orderedByNeed.remove();
underserved.add(q1);
TempQueue q2 = orderedByNeed.peek();
TempQueuePerPartition q2 = orderedByNeed.peek();
// q1's pct of guaranteed won't be larger than q2's. If it's less, then
// return what has already been collected. Otherwise, q1's pct of
// guaranteed == that of q2, so add q2 to underserved list during the
@ -491,24 +494,90 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* @param queues the list of queues to consider
*/
private void resetCapacity(ResourceCalculator rc, Resource clusterResource,
Collection<TempQueue> queues, boolean ignoreGuar) {
Collection<TempQueuePerPartition> queues, boolean ignoreGuar) {
Resource activeCap = Resource.newInstance(0, 0);
if (ignoreGuar) {
for (TempQueue q : queues) {
for (TempQueuePerPartition q : queues) {
q.normalizedGuarantee = (float) 1.0f / ((float) queues.size());
}
} else {
for (TempQueue q : queues) {
for (TempQueuePerPartition q : queues) {
Resources.addTo(activeCap, q.guaranteed);
}
for (TempQueue q : queues) {
for (TempQueuePerPartition q : queues) {
q.normalizedGuarantee = Resources.divide(rc, clusterResource,
q.guaranteed, activeCap);
}
}
}
private String getPartitionByNodeId(NodeId nodeId) {
return scheduler.getSchedulerNode(nodeId).getPartition();
}
/**
* Return should we preempt rmContainer. If we should, deduct from
* <code>resourceToObtainByPartition</code>
*/
private boolean tryPreemptContainerAndDeductResToObtain(
Map<String, Resource> resourceToObtainByPartitions,
RMContainer rmContainer, Resource clusterResource,
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap) {
ApplicationAttemptId attemptId = rmContainer.getApplicationAttemptId();
// We will not account resource of a container twice or more
if (preemptMapContains(preemptMap, attemptId, rmContainer)) {
return false;
}
String nodePartition = getPartitionByNodeId(rmContainer.getAllocatedNode());
Resource toObtainByPartition =
resourceToObtainByPartitions.get(nodePartition);
if (null != toObtainByPartition
&& Resources.greaterThan(rc, clusterResource, toObtainByPartition,
Resources.none())) {
Resources.subtractFrom(toObtainByPartition,
rmContainer.getAllocatedResource());
// When we have no more resource need to obtain, remove from map.
if (Resources.lessThanOrEqual(rc, clusterResource, toObtainByPartition,
Resources.none())) {
resourceToObtainByPartitions.remove(nodePartition);
}
if (LOG.isDebugEnabled()) {
LOG.debug("Marked container=" + rmContainer.getContainerId()
+ " in partition=" + nodePartition + " will be preempted");
}
// Add to preemptMap
addToPreemptMap(preemptMap, attemptId, rmContainer);
return true;
}
return false;
}
private boolean preemptMapContains(
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap,
ApplicationAttemptId attemptId, RMContainer rmContainer) {
Set<RMContainer> rmContainers;
if (null == (rmContainers = preemptMap.get(attemptId))) {
return false;
}
return rmContainers.contains(rmContainer);
}
private void addToPreemptMap(
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap,
ApplicationAttemptId appAttemptId, RMContainer containerToPreempt) {
Set<RMContainer> set;
if (null == (set = preemptMap.get(appAttemptId))) {
set = new HashSet<RMContainer>();
preemptMap.put(appAttemptId, set);
}
set.add(containerToPreempt);
}
/**
* Based a resource preemption target drop reservations of containers and
* if necessary select containers for preemption from applications in each
@ -520,64 +589,106 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* @return a map of applciationID to set of containers to preempt
*/
private Map<ApplicationAttemptId,Set<RMContainer>> getContainersToPreempt(
List<TempQueue> queues, Resource clusterResource) {
Set<String> leafQueueNames, Resource clusterResource) {
Map<ApplicationAttemptId,Set<RMContainer>> preemptMap =
new HashMap<ApplicationAttemptId,Set<RMContainer>>();
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap =
new HashMap<ApplicationAttemptId, Set<RMContainer>>();
List<RMContainer> skippedAMContainerlist = new ArrayList<RMContainer>();
for (TempQueue qT : queues) {
if (qT.preemptionDisabled && qT.leafQueue != null) {
// Loop all leaf queues
for (String queueName : leafQueueNames) {
// check if preemption disabled for the queue
if (getQueueByPartition(queueName,
RMNodeLabelsManager.NO_LABEL).preemptionDisabled) {
if (LOG.isDebugEnabled()) {
if (Resources.greaterThan(rc, clusterResource,
qT.toBePreempted, Resource.newInstance(0, 0))) {
LOG.debug("Tried to preempt the following "
+ "resources from non-preemptable queue: "
+ qT.queueName + " - Resources: " + qT.toBePreempted);
}
LOG.debug("skipping from queue=" + queueName
+ " because it's a non-preemptable queue");
}
continue;
}
// we act only if we are violating balance by more than
// maxIgnoredOverCapacity
if (Resources.greaterThan(rc, clusterResource, qT.current,
Resources.multiply(qT.guaranteed, 1.0 + maxIgnoredOverCapacity))) {
// we introduce a dampening factor naturalTerminationFactor that
// accounts for natural termination of containers
Resource resToObtain =
Resources.multiply(qT.toBePreempted, naturalTerminationFactor);
Resource skippedAMSize = Resource.newInstance(0, 0);
// lock the leafqueue while we scan applications and unreserve
synchronized (qT.leafQueue) {
Iterator<FiCaSchedulerApp> desc =
qT.leafQueue.getOrderingPolicy().getPreemptionIterator();
qT.actuallyPreempted = Resources.clone(resToObtain);
while (desc.hasNext()) {
FiCaSchedulerApp fc = desc.next();
if (Resources.lessThanOrEqual(rc, clusterResource, resToObtain,
Resources.none())) {
break;
// compute resToObtainByPartition considered inter-queue preemption
LeafQueue leafQueue = null;
Map<String, Resource> resToObtainByPartition =
new HashMap<String, Resource>();
for (TempQueuePerPartition qT : getQueuePartitions(queueName)) {
leafQueue = qT.leafQueue;
// we act only if we are violating balance by more than
// maxIgnoredOverCapacity
if (Resources.greaterThan(rc, clusterResource, qT.current,
Resources.multiply(qT.guaranteed, 1.0 + maxIgnoredOverCapacity))) {
// we introduce a dampening factor naturalTerminationFactor that
// accounts for natural termination of containers
Resource resToObtain =
Resources.multiply(qT.toBePreempted, naturalTerminationFactor);
// Only add resToObtain when it >= 0
if (Resources.greaterThan(rc, clusterResource, resToObtain,
Resources.none())) {
resToObtainByPartition.put(qT.partition, resToObtain);
if (LOG.isDebugEnabled()) {
LOG.debug("Queue=" + queueName + " partition=" + qT.partition
+ " resource-to-obtain=" + resToObtain);
}
preemptMap.put(
fc.getApplicationAttemptId(),
preemptFrom(fc, clusterResource, resToObtain,
skippedAMContainerlist, skippedAMSize));
}
Resource maxAMCapacityForThisQueue = Resources.multiply(
Resources.multiply(clusterResource,
qT.leafQueue.getAbsoluteCapacity()),
qT.leafQueue.getMaxAMResourcePerQueuePercent());
// Can try preempting AMContainers (still saving atmost
// maxAMCapacityForThisQueue AMResource's) if more resources are
// required to be preempted from this Queue.
preemptAMContainers(clusterResource, preemptMap,
skippedAMContainerlist, resToObtain, skippedAMSize,
maxAMCapacityForThisQueue);
qT.actuallyPreempted = Resources.clone(resToObtain);
} else {
qT.actuallyPreempted = Resources.none();
}
}
synchronized (leafQueue) {
// go through all ignore-partition-exclusivity containers first to make
// sure such containers will be preempted first
Map<String, TreeSet<RMContainer>> ignorePartitionExclusivityContainers =
leafQueue.getIgnoreExclusivityRMContainers();
for (String partition : resToObtainByPartition.keySet()) {
if (ignorePartitionExclusivityContainers.containsKey(partition)) {
TreeSet<RMContainer> rmContainers =
ignorePartitionExclusivityContainers.get(partition);
// We will check container from reverse order, so latter submitted
// application's containers will be preempted first.
for (RMContainer c : rmContainers.descendingSet()) {
boolean preempted =
tryPreemptContainerAndDeductResToObtain(
resToObtainByPartition, c, clusterResource, preemptMap);
if (!preempted) {
break;
}
}
}
}
// preempt other containers
Resource skippedAMSize = Resource.newInstance(0, 0);
Iterator<FiCaSchedulerApp> desc =
leafQueue.getOrderingPolicy().getPreemptionIterator();
while (desc.hasNext()) {
FiCaSchedulerApp fc = desc.next();
// When we complete preempt from one partition, we will remove from
// resToObtainByPartition, so when it becomes empty, we can get no
// more preemption is needed
if (resToObtainByPartition.isEmpty()) {
break;
}
preemptFrom(fc, clusterResource, resToObtainByPartition,
skippedAMContainerlist, skippedAMSize, preemptMap);
}
// Can try preempting AMContainers (still saving atmost
// maxAMCapacityForThisQueue AMResource's) if more resources are
// required to be preempted from this Queue.
Resource maxAMCapacityForThisQueue = Resources.multiply(
Resources.multiply(clusterResource,
leafQueue.getAbsoluteCapacity()),
leafQueue.getMaxAMResourcePerQueuePercent());
preemptAMContainers(clusterResource, preemptMap, skippedAMContainerlist,
resToObtainByPartition, skippedAMSize, maxAMCapacityForThisQueue);
}
}
return preemptMap;
}
@ -595,12 +706,12 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
*/
private void preemptAMContainers(Resource clusterResource,
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap,
List<RMContainer> skippedAMContainerlist, Resource resToObtain,
Resource skippedAMSize, Resource maxAMCapacityForThisQueue) {
List<RMContainer> skippedAMContainerlist,
Map<String, Resource> resToObtainByPartition, Resource skippedAMSize,
Resource maxAMCapacityForThisQueue) {
for (RMContainer c : skippedAMContainerlist) {
// Got required amount of resources for preemption, can stop now
if (Resources.lessThanOrEqual(rc, clusterResource, resToObtain,
Resources.none())) {
if (resToObtainByPartition.isEmpty()) {
break;
}
// Once skippedAMSize reaches down to maxAMCapacityForThisQueue,
@ -609,17 +720,13 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
maxAMCapacityForThisQueue)) {
break;
}
Set<RMContainer> contToPrempt = preemptMap.get(c
.getApplicationAttemptId());
if (null == contToPrempt) {
contToPrempt = new HashSet<RMContainer>();
preemptMap.put(c.getApplicationAttemptId(), contToPrempt);
}
contToPrempt.add(c);
Resources.subtractFrom(resToObtain, c.getContainer().getResource());
Resources.subtractFrom(skippedAMSize, c.getContainer()
.getResource());
boolean preempted =
tryPreemptContainerAndDeductResToObtain(resToObtainByPartition, c,
clusterResource, preemptMap);
if (preempted) {
Resources.subtractFrom(skippedAMSize, c.getAllocatedResource());
}
}
skippedAMContainerlist.clear();
}
@ -627,71 +734,59 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
/**
* Given a target preemption for a specific application, select containers
* to preempt (after unreserving all reservation for that app).
*
* @param app
* @param clusterResource
* @param rsrcPreempt
* @return Set<RMContainer> Set of RMContainers
*/
private Set<RMContainer> preemptFrom(FiCaSchedulerApp app,
Resource clusterResource, Resource rsrcPreempt,
List<RMContainer> skippedAMContainerlist, Resource skippedAMSize) {
Set<RMContainer> ret = new HashSet<RMContainer>();
private void preemptFrom(FiCaSchedulerApp app,
Resource clusterResource, Map<String, Resource> resToObtainByPartition,
List<RMContainer> skippedAMContainerlist, Resource skippedAMSize,
Map<ApplicationAttemptId, Set<RMContainer>> preemptMap) {
ApplicationAttemptId appId = app.getApplicationAttemptId();
if (LOG.isDebugEnabled()) {
LOG.debug("Looking at application=" + app.getApplicationAttemptId()
+ " resourceToObtain=" + resToObtainByPartition);
}
// first drop reserved containers towards rsrcPreempt
List<RMContainer> reservations =
List<RMContainer> reservedContainers =
new ArrayList<RMContainer>(app.getReservedContainers());
for (RMContainer c : reservations) {
if (Resources.lessThanOrEqual(rc, clusterResource,
rsrcPreempt, Resources.none())) {
return ret;
for (RMContainer c : reservedContainers) {
if (resToObtainByPartition.isEmpty()) {
return;
}
// Try to preempt this container
tryPreemptContainerAndDeductResToObtain(resToObtainByPartition, c,
clusterResource, preemptMap);
if (!observeOnly) {
dispatcher.handle(new ContainerPreemptEvent(appId, c,
ContainerPreemptEventType.DROP_RESERVATION));
}
Resources.subtractFrom(rsrcPreempt, c.getContainer().getResource());
}
// 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> containers =
List<RMContainer> liveContainers =
new ArrayList<RMContainer>(app.getLiveContainers());
sortContainers(containers);
sortContainers(liveContainers);
for (RMContainer c : containers) {
if (Resources.lessThanOrEqual(rc, clusterResource,
rsrcPreempt, Resources.none())) {
return ret;
for (RMContainer c : liveContainers) {
if (resToObtainByPartition.isEmpty()) {
return;
}
// Skip AM Container from preemption for now.
if (c.isAMContainer()) {
skippedAMContainerlist.add(c);
Resources.addTo(skippedAMSize, c.getContainer().getResource());
Resources.addTo(skippedAMSize, c.getAllocatedResource());
continue;
}
// skip Labeled resource
if(isLabeledContainer(c)){
continue;
}
ret.add(c);
Resources.subtractFrom(rsrcPreempt, c.getContainer().getResource());
// Try to preempt this container
tryPreemptContainerAndDeductResToObtain(resToObtainByPartition, c,
clusterResource, preemptMap);
}
return ret;
}
/**
* Checking if given container is a labeled container
*
* @param c
* @return true/false
*/
private boolean isLabeledContainer(RMContainer c) {
return labels.containsKey(c.getAllocatedNode());
}
/**
@ -733,32 +828,48 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* the leaves. Finally it aggregates pending resources in each queue and rolls
* it up to higher levels.
*
* @param root the root of the CapacityScheduler queue hierarchy
* @param clusterResources the total amount of resources in the cluster
* @param curQueue current queue which I'm looking at now
* @param partitionResource the total amount of resources in the cluster
* @return the root of the cloned queue hierarchy
*/
private TempQueue cloneQueues(CSQueue root, Resource clusterResources) {
TempQueue ret;
synchronized (root) {
String queueName = root.getQueueName();
float absUsed = root.getAbsoluteUsedCapacity();
float absCap = root.getAbsoluteCapacity();
float absMaxCap = root.getAbsoluteMaximumCapacity();
boolean preemptionDisabled = root.getPreemptionDisabled();
private TempQueuePerPartition cloneQueues(CSQueue curQueue,
Resource partitionResource, String partitionToLookAt) {
TempQueuePerPartition ret;
synchronized (curQueue) {
String queueName = curQueue.getQueueName();
QueueCapacities qc = curQueue.getQueueCapacities();
float absUsed = qc.getAbsoluteUsedCapacity(partitionToLookAt);
float absCap = qc.getAbsoluteCapacity(partitionToLookAt);
float absMaxCap = qc.getAbsoluteMaximumCapacity(partitionToLookAt);
boolean preemptionDisabled = curQueue.getPreemptionDisabled();
Resource current = Resources.multiply(clusterResources, absUsed);
Resource guaranteed = Resources.multiply(clusterResources, absCap);
Resource maxCapacity = Resources.multiply(clusterResources, absMaxCap);
Resource current = Resources.multiply(partitionResource, absUsed);
Resource guaranteed = Resources.multiply(partitionResource, absCap);
Resource maxCapacity = Resources.multiply(partitionResource, absMaxCap);
// when partition is a non-exclusive partition, the actual maxCapacity
// could more than specified maxCapacity
try {
if (!scheduler.getRMContext().getNodeLabelManager()
.isExclusiveNodeLabel(partitionToLookAt)) {
maxCapacity =
Resources.max(rc, partitionResource, maxCapacity, current);
}
} catch (IOException e) {
// This may cause by partition removed when running capacity monitor,
// just ignore the error, this will be corrected when doing next check.
}
Resource extra = Resource.newInstance(0, 0);
if (Resources.greaterThan(rc, clusterResources, current, guaranteed)) {
if (Resources.greaterThan(rc, partitionResource, current, guaranteed)) {
extra = Resources.subtract(current, guaranteed);
}
if (root instanceof LeafQueue) {
LeafQueue l = (LeafQueue) root;
Resource pending = l.getTotalResourcePending();
ret = new TempQueue(queueName, current, pending, guaranteed,
maxCapacity, preemptionDisabled);
if (curQueue instanceof LeafQueue) {
LeafQueue l = (LeafQueue) curQueue;
Resource pending =
l.getQueueResourceUsage().getPending(partitionToLookAt);
ret = new TempQueuePerPartition(queueName, current, pending, guaranteed,
maxCapacity, preemptionDisabled, partitionToLookAt);
if (preemptionDisabled) {
ret.untouchableExtra = extra;
} else {
@ -767,17 +878,19 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
ret.setLeafQueue(l);
} else {
Resource pending = Resource.newInstance(0, 0);
ret = new TempQueue(root.getQueueName(), current, pending, guaranteed,
maxCapacity, false);
ret =
new TempQueuePerPartition(curQueue.getQueueName(), current, pending,
guaranteed, maxCapacity, false, partitionToLookAt);
Resource childrensPreemptable = Resource.newInstance(0, 0);
for (CSQueue c : root.getChildQueues()) {
TempQueue subq = cloneQueues(c, clusterResources);
for (CSQueue c : curQueue.getChildQueues()) {
TempQueuePerPartition subq =
cloneQueues(c, partitionResource, partitionToLookAt);
Resources.addTo(childrensPreemptable, subq.preemptableExtra);
ret.addChild(subq);
}
// untouchableExtra = max(extra - childrenPreemptable, 0)
if (Resources.greaterThanOrEqual(
rc, clusterResources, childrensPreemptable, extra)) {
rc, partitionResource, childrensPreemptable, extra)) {
ret.untouchableExtra = Resource.newInstance(0, 0);
} else {
ret.untouchableExtra =
@ -785,52 +898,87 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
}
}
}
addTempQueuePartition(ret);
return ret;
}
// simple printout function that reports internal queue state (useful for
// plotting)
private void logToCSV(List<TempQueue> unorderedqueues){
List<TempQueue> queues = new ArrayList<TempQueue>(unorderedqueues);
Collections.sort(queues, new Comparator<TempQueue>(){
@Override
public int compare(TempQueue o1, TempQueue o2) {
return o1.queueName.compareTo(o2.queueName);
}});
private void logToCSV(List<String> leafQueueNames){
Collections.sort(leafQueueNames);
String queueState = " QUEUESTATE: " + clock.getTime();
StringBuilder sb = new StringBuilder();
sb.append(queueState);
for (TempQueue tq : queues) {
for (String queueName : leafQueueNames) {
TempQueuePerPartition tq =
getQueueByPartition(queueName, RMNodeLabelsManager.NO_LABEL);
sb.append(", ");
tq.appendLogString(sb);
}
LOG.debug(sb.toString());
}
private void addTempQueuePartition(TempQueuePerPartition queuePartition) {
String queueName = queuePartition.queueName;
Map<String, TempQueuePerPartition> queuePartitions;
if (null == (queuePartitions = queueToPartitions.get(queueName))) {
queuePartitions = new HashMap<String, TempQueuePerPartition>();
queueToPartitions.put(queueName, queuePartitions);
}
queuePartitions.put(queuePartition.partition, queuePartition);
}
/**
* Get queue partition by given queueName and partitionName
*/
private TempQueuePerPartition getQueueByPartition(String queueName,
String partition) {
Map<String, TempQueuePerPartition> partitionToQueues = null;
if (null == (partitionToQueues = queueToPartitions.get(queueName))) {
return null;
}
return partitionToQueues.get(partition);
}
/**
* Get all queue partitions by given queueName
*/
private Collection<TempQueuePerPartition> getQueuePartitions(String queueName) {
if (!queueToPartitions.containsKey(queueName)) {
return null;
}
return queueToPartitions.get(queueName).values();
}
/**
* Temporary data-structure tracking resource availability, pending resource
* need, current utilization. Used to clone {@link CSQueue}.
* need, current utilization. This is per-queue-per-partition data structure
*/
static class TempQueue {
static class TempQueuePerPartition {
final String queueName;
final Resource current;
final Resource pending;
final Resource guaranteed;
final Resource maxCapacity;
final String partition;
Resource idealAssigned;
Resource toBePreempted;
// For logging purpose
Resource actuallyPreempted;
Resource untouchableExtra;
Resource preemptableExtra;
double normalizedGuarantee;
final ArrayList<TempQueue> children;
final ArrayList<TempQueuePerPartition> children;
LeafQueue leafQueue;
boolean preemptionDisabled;
TempQueue(String queueName, Resource current, Resource pending,
Resource guaranteed, Resource maxCapacity, boolean preemptionDisabled) {
TempQueuePerPartition(String queueName, Resource current, Resource pending,
Resource guaranteed, Resource maxCapacity, boolean preemptionDisabled,
String partition) {
this.queueName = queueName;
this.current = current;
this.pending = pending;
@ -840,10 +988,11 @@ 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<TempQueue>();
this.children = new ArrayList<TempQueuePerPartition>();
this.untouchableExtra = Resource.newInstance(0, 0);
this.preemptableExtra = Resource.newInstance(0, 0);
this.preemptionDisabled = preemptionDisabled;
this.partition = partition;
}
public void setLeafQueue(LeafQueue l){
@ -855,19 +1004,19 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
* When adding a child we also aggregate its pending resource needs.
* @param q the child queue to add to this queue
*/
public void addChild(TempQueue q) {
public void addChild(TempQueuePerPartition q) {
assert leafQueue == null;
children.add(q);
Resources.addTo(pending, q.pending);
}
public void addChildren(ArrayList<TempQueue> queues) {
public void addChildren(ArrayList<TempQueuePerPartition> queues) {
assert leafQueue == null;
children.addAll(queues);
}
public ArrayList<TempQueue> getChildren(){
public ArrayList<TempQueuePerPartition> getChildren(){
return children;
}
@ -909,7 +1058,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
public void printAll() {
LOG.info(this.toString());
for (TempQueue sub : this.getChildren()) {
for (TempQueuePerPartition sub : this.getChildren()) {
sub.printAll();
}
}
@ -942,7 +1091,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
}
static class TQComparator implements Comparator<TempQueue> {
static class TQComparator implements Comparator<TempQueuePerPartition> {
private ResourceCalculator rc;
private Resource clusterRes;
@ -952,7 +1101,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
}
@Override
public int compare(TempQueue tq1, TempQueue tq2) {
public int compare(TempQueuePerPartition tq1, TempQueuePerPartition tq2) {
if (getIdealPctOfGuaranteed(tq1) < getIdealPctOfGuaranteed(tq2)) {
return -1;
}
@ -965,7 +1114,7 @@ public class ProportionalCapacityPreemptionPolicy implements SchedulingEditPolic
// Calculates idealAssigned / guaranteed
// TempQueues with 0 guarantees are always considered the most over
// capacity and therefore considered last for resources.
private double getIdealPctOfGuaranteed(TempQueue q) {
private double getIdealPctOfGuaranteed(TempQueuePerPartition q) {
double pctOver = Integer.MAX_VALUE;
if (q != null && Resources.greaterThan(
rc, clusterRes, q.guaranteed, Resources.none())) {

View File

@ -56,7 +56,7 @@ import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
@SuppressWarnings({"unchecked", "rawtypes"})
public class RMContainerImpl implements RMContainer {
public class RMContainerImpl implements RMContainer, Comparable<RMContainer> {
private static final Log LOG = LogFactory.getLog(RMContainerImpl.class);
@ -615,4 +615,30 @@ public class RMContainerImpl implements RMContainer {
}
return nodeLabelExpression;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof RMContainer) {
if (null != getContainerId()) {
return getContainerId().equals(((RMContainer) obj).getContainerId());
}
}
return false;
}
@Override
public int hashCode() {
if (null != getContainerId()) {
return getContainerId().hashCode();
}
return super.hashCode();
}
@Override
public int compareTo(RMContainer o) {
if (containerId != null && o.getContainerId() != null) {
return containerId.compareTo(o.getContainerId());
}
return -1;
}
}

View File

@ -153,7 +153,7 @@ public class CapacityScheduler extends
static final PartitionedQueueComparator partitionedQueueComparator =
new PartitionedQueueComparator();
static final Comparator<FiCaSchedulerApp> applicationComparator =
public static final Comparator<FiCaSchedulerApp> applicationComparator =
new Comparator<FiCaSchedulerApp>() {
@Override
public int compare(FiCaSchedulerApp a1, FiCaSchedulerApp a2) {

View File

@ -68,9 +68,10 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppUtils;
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.policy.*;
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.FifoOrderingPolicy;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.OrderingPolicy;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.server.utils.Lock;
import org.apache.hadoop.yarn.server.utils.Lock.NoLock;
@ -124,6 +125,11 @@ public class LeafQueue extends AbstractCSQueue {
private OrderingPolicy<FiCaSchedulerApp>
orderingPolicy = new FifoOrderingPolicy<FiCaSchedulerApp>();
// record all ignore partition exclusivityRMContainer, this will be used to do
// preemption, key is the partition of the RMContainer allocated on
private Map<String, TreeSet<RMContainer>> ignorePartitionExclusivityRMContainers =
new HashMap<>();
public LeafQueue(CapacitySchedulerContext cs,
String queueName, CSQueue parent, CSQueue old) throws IOException {
super(cs, queueName, parent, old);
@ -921,11 +927,16 @@ public class LeafQueue extends AbstractCSQueue {
Resource assigned = assignment.getResource();
if (Resources.greaterThan(
resourceCalculator, clusterResource, assigned, Resources.none())) {
// Get reserved or allocated container from application
RMContainer reservedOrAllocatedRMContainer =
application.getRMContainer(assignment
.getAssignmentInformation()
.getFirstAllocatedOrReservedContainerId());
// Book-keeping
// Note: Update headroom to account for current allocation too...
allocateResource(clusterResource, application, assigned,
node.getPartition());
node.getPartition(), reservedOrAllocatedRMContainer);
// Don't reset scheduling opportunities for offswitch assignments
// otherwise the app will be delayed for each non-local assignment.
@ -1720,7 +1731,7 @@ public class LeafQueue extends AbstractCSQueue {
orderingPolicy.containerReleased(application, rmContainer);
releaseResource(clusterResource, application,
container.getResource(), node.getPartition());
container.getResource(), node.getPartition(), rmContainer);
LOG.info("completedContainer" +
" container=" + container +
" queue=" + this +
@ -1738,9 +1749,22 @@ public class LeafQueue extends AbstractCSQueue {
synchronized void allocateResource(Resource clusterResource,
SchedulerApplicationAttempt application, Resource resource,
String nodePartition) {
String nodePartition, RMContainer rmContainer) {
super.allocateResource(clusterResource, resource, nodePartition);
// handle ignore exclusivity container
if (null != rmContainer && rmContainer.getNodeLabelExpression().equals(
RMNodeLabelsManager.NO_LABEL)
&& !nodePartition.equals(RMNodeLabelsManager.NO_LABEL)) {
TreeSet<RMContainer> rmContainers = null;
if (null == (rmContainers =
ignorePartitionExclusivityRMContainers.get(nodePartition))) {
rmContainers = new TreeSet<>();
ignorePartitionExclusivityRMContainers.put(nodePartition, rmContainers);
}
rmContainers.add(rmContainer);
}
// Update user metrics
String userName = application.getUser();
User user = getUser(userName);
@ -1761,9 +1785,24 @@ public class LeafQueue extends AbstractCSQueue {
}
synchronized void releaseResource(Resource clusterResource,
FiCaSchedulerApp application, Resource resource, String nodePartition) {
FiCaSchedulerApp application, Resource resource, String nodePartition,
RMContainer rmContainer) {
super.releaseResource(clusterResource, resource, nodePartition);
// handle ignore exclusivity container
if (null != rmContainer && rmContainer.getNodeLabelExpression().equals(
RMNodeLabelsManager.NO_LABEL)
&& !nodePartition.equals(RMNodeLabelsManager.NO_LABEL)) {
if (ignorePartitionExclusivityRMContainers.containsKey(nodePartition)) {
Set<RMContainer> rmContainers =
ignorePartitionExclusivityRMContainers.get(nodePartition);
rmContainers.remove(rmContainer);
if (rmContainers.isEmpty()) {
ignorePartitionExclusivityRMContainers.remove(nodePartition);
}
}
}
// Update user metrics
String userName = application.getUser();
User user = getUser(userName);
@ -1912,7 +1951,7 @@ public class LeafQueue extends AbstractCSQueue {
FiCaSchedulerNode node =
scheduler.getNode(rmContainer.getContainer().getNodeId());
allocateResource(clusterResource, attempt, rmContainer.getContainer()
.getResource(), node.getPartition());
.getResource(), node.getPartition(), rmContainer);
}
getParent().recoverContainer(clusterResource, attempt, rmContainer);
}
@ -1953,7 +1992,7 @@ public class LeafQueue extends AbstractCSQueue {
FiCaSchedulerNode node =
scheduler.getNode(rmContainer.getContainer().getNodeId());
allocateResource(clusterResource, application, rmContainer.getContainer()
.getResource(), node.getPartition());
.getResource(), node.getPartition(), rmContainer);
LOG.info("movedContainer" + " container=" + rmContainer.getContainer()
+ " resource=" + rmContainer.getContainer().getResource()
+ " queueMoveIn=" + this + " usedCapacity=" + getUsedCapacity()
@ -1971,7 +2010,7 @@ public class LeafQueue extends AbstractCSQueue {
FiCaSchedulerNode node =
scheduler.getNode(rmContainer.getContainer().getNodeId());
releaseResource(clusterResource, application, rmContainer.getContainer()
.getResource(), node.getPartition());
.getResource(), node.getPartition(), rmContainer);
LOG.info("movedContainer" + " container=" + rmContainer.getContainer()
+ " resource=" + rmContainer.getContainer().getResource()
+ " queueMoveOut=" + this + " usedCapacity=" + getUsedCapacity()
@ -1982,6 +2021,17 @@ public class LeafQueue extends AbstractCSQueue {
}
}
/**
* return all ignored partition exclusivity RMContainers in the LeafQueue, this
* will be used by preemption policy, and use of return
* ignorePartitionExclusivityRMContainer should protected by LeafQueue
* synchronized lock
*/
public synchronized Map<String, TreeSet<RMContainer>>
getIgnoreExclusivityRMContainers() {
return ignorePartitionExclusivityRMContainers;
}
public void setCapacity(float capacity) {
queueCapacities.setCapacity(capacity);
}

View File

@ -18,16 +18,17 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.common;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Resource;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
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;
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class AssignmentInformation {
@ -117,4 +118,24 @@ public class AssignmentInformation {
public List<AssignmentDetails> getReservationDetails() {
return operationDetails.get(Operation.RESERVATION);
}
private ContainerId getFirstContainerIdFromOperation(Operation op) {
if (null != operationDetails.get(Operation.ALLOCATION)) {
List<AssignmentDetails> assignDetails =
operationDetails.get(Operation.ALLOCATION);
if (!assignDetails.isEmpty()) {
return assignDetails.get(0).containerId;
}
}
return null;
}
public ContainerId getFirstAllocatedOrReservedContainerId() {
ContainerId containerId = null;
containerId = getFirstContainerIdFromOperation(Operation.ALLOCATION);
if (null != containerId) {
return containerId;
}
return getFirstContainerIdFromOperation(Operation.RESERVATION);
}
}

View File

@ -25,11 +25,12 @@ import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.Pro
import static org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.WAIT_TIME_BEFORE_KILL;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerPreemptEventType.KILL_CONTAINER;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerPreemptEventType.PREEMPT_CONTAINER;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.argThat;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.mock;
@ -37,27 +38,17 @@ import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Deque;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Iterator;
import java.util.Map;
import java.util.NavigableSet;
import java.util.Random;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
import org.apache.commons.collections.map.HashedMap;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.service.Service;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
@ -76,23 +67,27 @@ import org.apache.hadoop.yarn.server.resourcemanager.resource.Priority;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerPreemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerPreemptEventType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CSQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
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.ParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.OrderingPolicy;
import org.apache.hadoop.yarn.util.Clock;
import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
import org.mockito.ArgumentCaptor;
import org.mockito.ArgumentMatcher;
import org.mortbay.log.Log;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class TestProportionalCapacityPreemptionPolicy {
@ -798,50 +793,6 @@ public class TestProportionalCapacityPreemptionPolicy {
setAMContainer = false;
}
@Test
public void testIdealAllocationForLabels() {
int[][] qData = new int[][] {
// / A B
{ 80, 40, 40 }, // abs
{ 80, 80, 80 }, // maxcap
{ 80, 80, 0 }, // used
{ 70, 20, 50 }, // pending
{ 0, 0, 0 }, // reserved
{ 5, 4, 1 }, // apps
{ -1, 1, 1 }, // req granularity
{ 2, 0, 0 }, // subqueues
};
setAMContainer = true;
setLabeledContainer = true;
Map<NodeId, Set<String>> labels = new HashMap<NodeId, Set<String>>();
NodeId node = NodeId.newInstance("node1", 0);
Set<String> labelSet = new HashSet<String>();
labelSet.add("x");
labels.put(node, labelSet);
when(lm.getNodeLabels()).thenReturn(labels);
ProportionalCapacityPreemptionPolicy policy = buildPolicy(qData);
// Subtracting Label X resources from cluster resources
when(lm.getResourceByLabel(anyString(), any(Resource.class))).thenReturn(
Resources.clone(Resource.newInstance(80, 0)));
clusterResources.setMemory(100);
policy.editSchedule();
// By skipping AM Container and Labeled container, all other 18 containers
// of appD will be
// preempted
verify(mDisp, times(19)).handle(argThat(new IsPreemptionRequestFor(appD)));
// By skipping AM Container and Labeled container, all other 18 containers
// of appC will be
// preempted
verify(mDisp, times(19)).handle(argThat(new IsPreemptionRequestFor(appC)));
// rest 4 containers from appB will be preempted
verify(mDisp, times(2)).handle(argThat(new IsPreemptionRequestFor(appB)));
setAMContainer = false;
setLabeledContainer = false;
}
@Test
public void testPreemptSkippedAMContainers() {
int[][] qData = new int[][] {
@ -944,6 +895,12 @@ public class TestProportionalCapacityPreemptionPolicy {
clusterResources =
Resource.newInstance(leafAbsCapacities(qData[0], qData[7]), 0);
when(mCS.getClusterResource()).thenReturn(clusterResources);
when(lm.getResourceByLabel(anyString(), any(Resource.class))).thenReturn(
clusterResources);
SchedulerNode mNode = mock(SchedulerNode.class);
when(mNode.getPartition()).thenReturn(RMNodeLabelsManager.NO_LABEL);
when(mCS.getSchedulerNode(any(NodeId.class))).thenReturn(mNode);
return policy;
}
@ -965,11 +922,16 @@ public class TestProportionalCapacityPreemptionPolicy {
float tot = leafAbsCapacities(abs, queues);
Deque<ParentQueue> pqs = new LinkedList<ParentQueue>();
ParentQueue root = mockParentQueue(null, queues[0], pqs);
when(root.getQueueName()).thenReturn("/");
when(root.getQueueName()).thenReturn(CapacitySchedulerConfiguration.ROOT);
when(root.getAbsoluteUsedCapacity()).thenReturn(used[0] / tot);
when(root.getAbsoluteCapacity()).thenReturn(abs[0] / tot);
when(root.getAbsoluteMaximumCapacity()).thenReturn(maxCap[0] / tot);
when(root.getQueuePath()).thenReturn("root");
QueueCapacities rootQc = new QueueCapacities(true);
rootQc.setAbsoluteUsedCapacity(used[0] / tot);
rootQc.setAbsoluteCapacity(abs[0] / tot);
rootQc.setAbsoluteMaximumCapacity(maxCap[0] / tot);
when(root.getQueueCapacities()).thenReturn(rootQc);
when(root.getQueuePath()).thenReturn(CapacitySchedulerConfiguration.ROOT);
boolean preemptionDisabled = mockPreemptionStatus("root");
when(root.getPreemptionDisabled()).thenReturn(preemptionDisabled);
@ -987,6 +949,14 @@ public class TestProportionalCapacityPreemptionPolicy {
when(q.getAbsoluteUsedCapacity()).thenReturn(used[i] / tot);
when(q.getAbsoluteCapacity()).thenReturn(abs[i] / tot);
when(q.getAbsoluteMaximumCapacity()).thenReturn(maxCap[i] / tot);
// We need to make these fields to QueueCapacities
QueueCapacities qc = new QueueCapacities(false);
qc.setAbsoluteUsedCapacity(used[i] / tot);
qc.setAbsoluteCapacity(abs[i] / tot);
qc.setAbsoluteMaximumCapacity(maxCap[i] / tot);
when(q.getQueueCapacities()).thenReturn(qc);
String parentPathName = p.getQueuePath();
parentPathName = (parentPathName == null) ? "root" : parentPathName;
String queuePathName = (parentPathName+"."+queueName).replace("/","root");
@ -1028,6 +998,7 @@ public class TestProportionalCapacityPreemptionPolicy {
return pq;
}
@SuppressWarnings("rawtypes")
LeafQueue mockLeafQueue(ParentQueue p, float tot, int i, int[] abs,
int[] used, int[] pending, int[] reserved, int[] apps, int[] gran) {
LeafQueue lq = mock(LeafQueue.class);
@ -1035,6 +1006,10 @@ public class TestProportionalCapacityPreemptionPolicy {
new ArrayList<ApplicationAttemptId>();
when(lq.getTotalResourcePending()).thenReturn(
Resource.newInstance(pending[i], 0));
// need to set pending resource in resource usage as well
ResourceUsage ru = new ResourceUsage();
ru.setPending(Resource.newInstance(pending[i], 0));
when(lq.getQueueResourceUsage()).thenReturn(ru);
// consider moving where CapacityScheduler::comparator accessible
final NavigableSet<FiCaSchedulerApp> qApps = new TreeSet<FiCaSchedulerApp>(
new Comparator<FiCaSchedulerApp>() {
@ -1124,6 +1099,7 @@ public class TestProportionalCapacityPreemptionPolicy {
when(mC.getContainerId()).thenReturn(cId);
when(mC.getContainer()).thenReturn(c);
when(mC.getApplicationAttemptId()).thenReturn(appAttId);
when(mC.getAllocatedResource()).thenReturn(r);
if (priority.AMCONTAINER.getValue() == cpriority) {
when(mC.isAMContainer()).thenReturn(true);
}

View File

@ -138,7 +138,7 @@ public class TestChildQueueOrder {
} else {
FiCaSchedulerApp app1 = getMockApplication(0, "");
((LeafQueue)queue).allocateResource(clusterResource, app1,
allocatedResource, null);
allocatedResource, null, null);
}
// Next call - nothing

View File

@ -815,9 +815,9 @@ public class TestLeafQueue {
qb.finishApplication(app_0.getApplicationId(), user_0);
qb.finishApplication(app_2.getApplicationId(), user_1);
qb.releaseResource(clusterResource, app_0, app_0.getResource(u0Priority),
null);
null, null);
qb.releaseResource(clusterResource, app_2, app_2.getResource(u1Priority),
null);
null, null);
qb.setUserLimit(50);
qb.setUserLimitFactor(1);

View File

@ -38,6 +38,7 @@ 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.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerState;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
@ -46,6 +47,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppRepor
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAttemptRemovedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent;
import org.junit.Assert;
import org.junit.Before;
@ -1015,6 +1017,20 @@ public class TestNodeLabelContainerAllocation {
// app1 gets all resource in partition=x
Assert.assertEquals(10, schedulerNode1.getNumContainers());
// check non-exclusive containers of LeafQueue is correctly updated
LeafQueue leafQueue = (LeafQueue) cs.getQueue("a");
Assert.assertFalse(leafQueue.getIgnoreExclusivityRMContainers().containsKey(
"y"));
Assert.assertEquals(10,
leafQueue.getIgnoreExclusivityRMContainers().get("x").size());
// completes all containers of app1, ignoreExclusivityRMContainers should be
// updated as well.
cs.handle(new AppAttemptRemovedSchedulerEvent(
am1.getApplicationAttemptId(), RMAppAttemptState.FINISHED, false));
Assert.assertFalse(leafQueue.getIgnoreExclusivityRMContainers().containsKey(
"x"));
rm1.close();
}

View File

@ -150,7 +150,7 @@ public class TestParentQueue {
} else {
FiCaSchedulerApp app1 = getMockApplication(0, "");
((LeafQueue)queue).allocateResource(clusterResource, app1,
allocatedResource, null);
allocatedResource, null, null);
}
// Next call - nothing