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YARN-10823. Expose all node labels for root without explicit configurations #3461

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Merged
merged 4 commits into from
Oct 1, 2021
Merged

YARN-10823. Expose all node labels for root without explicit configurations #3461

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f509d98
YARN-10823. Expose all node labels for root without explicit configur…
9uapaw Sep 20, 2021
ef560cd
YARN-10823. Fix default node label if no label is defined
9uapaw Sep 21, 2021
9ccb438
YARN-10823. Fix checkstyle issues
9uapaw Sep 23, 2021
957fb89
YARN-10823. Fix build error
9uapaw Sep 23, 2021
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10 changes: 8 additions & 2 deletions ...ava/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/AbstractCSQueue.java
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@
import java.util.concurrent.locks.ReentrantReadWriteLock;

import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.DOT;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.ROOT;
import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.UNDEFINED;

public abstract class AbstractCSQueue implements CSQueue {
Expand Down Expand Up @@ -463,8 +464,13 @@ private void initializeNodeLabels(
if (csContext.getCapacitySchedulerQueueManager() != null
&& csContext.getCapacitySchedulerQueueManager()
.getConfiguredNodeLabels() != null) {
this.configuredNodeLabels = csContext.getCapacitySchedulerQueueManager()
.getConfiguredNodeLabels().getLabelsByQueue(getQueuePath());
if (getQueuePath().equals(ROOT)) {
this.configuredNodeLabels = csContext.getCapacitySchedulerQueueManager()
.getConfiguredNodeLabels().getAllConfiguredLabels();
} else {
this.configuredNodeLabels = csContext.getCapacitySchedulerQueueManager()
.getConfiguredNodeLabels().getLabelsByQueue(getQueuePath());
}
} else {
// Fallback to suboptimal but correct logic
this.configuredNodeLabels = csContext.getConfiguration()
Expand Down
16 changes: 16 additions & 0 deletions ...rg/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ConfiguredNodeLabels.java
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Expand Up @@ -25,6 +25,7 @@
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

/**
* Contains node labels for all queues extracted from configuration properties.
Expand Down Expand Up @@ -74,4 +75,19 @@ public void setLabelsByQueue(
String queuePath, Collection<String> nodeLabels) {
configuredNodeLabelsByQueue.put(queuePath, new HashSet<>(nodeLabels));
}

/**
* Get all configured node labels aggregated from each queue.
* @return all node labels
*/
public Set<String> getAllConfiguredLabels() {
Set<String> nodeLabels = configuredNodeLabelsByQueue.values().stream()
.flatMap(Set::stream).collect(Collectors.toSet());

if (nodeLabels.size() == 0) {
nodeLabels = NO_LABEL;
}

return nodeLabels;
}
}
32 changes: 32 additions & 0 deletions .../java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.hadoop.thirdparty.com.google.common.collect.ImmutableMap;
import org.apache.hadoop.util.Sets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.conf.Configuration;
Expand Down Expand Up @@ -5216,6 +5217,37 @@ public void testMaxApplicationsWithNodeLabels() throws IOException {
e.getMaxApplications());
}

@Test
public void testRootHasAllNodeLabelsOfItsDescendants() throws IOException {
CapacitySchedulerConfiguration conf = csConf;
String rootChild = root.getChildQueues().get(0).getQueuePath();

conf.setCapacityByLabel(rootChild, "test", 100);
conf.setCapacityByLabel(rootChild + "." + A, "test", 20);
conf.setCapacityByLabel(rootChild + "." + B, "test", 40);
conf.setCapacityByLabel(rootChild + "." + C, "test", 10);
conf.setCapacityByLabel(rootChild + "." + C + "." + C1, "test", 100);
conf.setCapacityByLabel(rootChild + "." + D, "test", 30);
conf.setCapacityByLabel(rootChild + "." + E, "test", 0);

conf.setCapacityByLabel(rootChild, "test2", 100);
conf.setCapacityByLabel(rootChild + "." + A, "test2", 20);
conf.setCapacityByLabel(rootChild + "." + B, "test2", 40);
conf.setCapacityByLabel(rootChild + "." + C, "test2", 10);
conf.setCapacityByLabel(rootChild + "." + C + "." + C1, "test2", 100);
conf.setCapacityByLabel(rootChild + "." + D, "test2", 30);
conf.setCapacityByLabel(rootChild + "." + E, "test2", 0);

cs.getCapacitySchedulerQueueManager().reinitConfiguredNodeLabels(conf);
cs.setMaxRunningAppsEnforcer(new CSMaxRunningAppsEnforcer(cs));
cs.reinitialize(conf, cs.getRMContext());

ParentQueue rootQueue = (ParentQueue) cs.getRootQueue();

Assert.assertEquals(Sets.newHashSet("", "test", "test2"),
rootQueue.configuredNodeLabels);
}

@After
public void tearDown() throws Exception {
if (cs != null) {
Expand Down