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Posted to common-commits@hadoop.apache.org by pb...@apache.org on 2021/03/09 13:30:44 UTC
[hadoop] branch trunk updated: YARN-9615. Add dispatcher metrics to
RM. Contributed by Qi Zhu.
This is an automated email from the ASF dual-hosted git repository.
pbacsko pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/trunk by this push:
new 369f75b YARN-9615. Add dispatcher metrics to RM. Contributed by Qi Zhu.
369f75b is described below
commit 369f75b7a7f62ba454cc2a102ded6c2c947e80e5
Author: Peter Bacsko <pb...@cloudera.com>
AuthorDate: Tue Mar 9 14:28:23 2021 +0100
YARN-9615. Add dispatcher metrics to RM. Contributed by Qi Zhu.
---
.../apache/hadoop/yarn/event/AsyncDispatcher.java | 26 ++-
.../apache/hadoop/yarn/event/EventDispatcher.java | 20 ++-
.../yarn/metrics/DisableEventTypeMetrics.java | 42 +++++
.../hadoop/yarn/metrics/EventTypeMetrics.java | 32 ++++
.../yarn/metrics/GenericEventTypeMetrics.java | 160 ++++++++++++++++++
.../hadoop/yarn/event/TestAsyncDispatcher.java | 182 ++++++++++++++++++++-
.../GenericEventTypeMetricsManager.java | 42 +++++
.../server/resourcemanager/ResourceManager.java | 18 +-
.../resourcemanager/TestResourceManager.java | 2 +
.../scheduler/TestSchedulerHealth.java | 2 +
.../scheduler/capacity/TestCapacityScheduler.java | 1 +
11 files changed, 521 insertions(+), 6 deletions(-)
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
index f9deab0..667515d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
@@ -26,6 +26,9 @@ import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
+import org.apache.hadoop.yarn.metrics.EventTypeMetrics;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.MonotonicClock;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
@@ -85,6 +88,11 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
protected final Map<Class<? extends Enum>, EventHandler> eventDispatchers;
private boolean exitOnDispatchException = true;
+ private Map<Class<? extends Enum>,
+ EventTypeMetrics> eventTypeMetricsMap;
+
+ private Clock clock = new MonotonicClock();
+
/**
* The thread name for dispatcher.
*/
@@ -98,6 +106,8 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
super("Dispatcher");
this.eventQueue = eventQueue;
this.eventDispatchers = new HashMap<Class<? extends Enum>, EventHandler>();
+ this.eventTypeMetricsMap = new HashMap<Class<? extends Enum>,
+ EventTypeMetrics>();
}
/**
@@ -135,7 +145,16 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
return;
}
if (event != null) {
- dispatch(event);
+ if (eventTypeMetricsMap.
+ get(event.getType().getDeclaringClass()) != null) {
+ long startTime = clock.getTime();
+ dispatch(event);
+ eventTypeMetricsMap.get(event.getType().getDeclaringClass())
+ .increment(event.getType(),
+ clock.getTime() - startTime);
+ } else {
+ dispatch(event);
+ }
if (printTrigger) {
//Log the latest dispatch event type
// may cause the too many events queued
@@ -369,4 +388,9 @@ public class AsyncDispatcher extends AbstractService implements Dispatcher {
protected boolean isStopped() {
return stopped;
}
+
+ public void addMetrics(EventTypeMetrics metrics,
+ Class<? extends Enum> eventClass) {
+ eventTypeMetricsMap.put(eventClass, metrics);
+ }
}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/EventDispatcher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/EventDispatcher.java
index 0969e99..f51bae6 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/EventDispatcher.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/EventDispatcher.java
@@ -19,6 +19,9 @@
package org.apache.hadoop.yarn.event;
import org.apache.hadoop.thirdparty.com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.yarn.metrics.EventTypeMetrics;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.MonotonicClock;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
@@ -47,12 +50,15 @@ public class EventDispatcher<T extends Event> extends
private final Thread eventProcessor;
private volatile boolean stopped = false;
private boolean shouldExitOnError = true;
+ private EventTypeMetrics metrics;
private static final Logger LOG =
LoggerFactory.getLogger(EventDispatcher.class);
private static final Marker FATAL =
MarkerFactory.getMarker("FATAL");
+ private Clock clock = new MonotonicClock();
+
private final class EventProcessor implements Runnable {
@Override
public void run() {
@@ -68,7 +74,14 @@ public class EventDispatcher<T extends Event> extends
}
try {
- handler.handle(event);
+ if (metrics != null) {
+ long startTime = clock.getTime();
+ handler.handle(event);
+ metrics.increment(event.getType(),
+ clock.getTime() - startTime);
+ } else {
+ handler.handle(event);
+ }
} catch (Throwable t) {
// An error occurred, but we are shutting down anyway.
// If it was an InterruptedException, the very act of
@@ -136,4 +149,9 @@ public class EventDispatcher<T extends Event> extends
public void disableExitOnError() {
shouldExitOnError = false;
}
+
+ public void setMetrics(EventTypeMetrics metrics) {
+ this.metrics = metrics;
+ }
+
}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/DisableEventTypeMetrics.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/DisableEventTypeMetrics.java
new file mode 100644
index 0000000..7b4af0c
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/DisableEventTypeMetrics.java
@@ -0,0 +1,42 @@
+/**
+ * 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.metrics;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.metrics2.MetricsCollector;
+import org.apache.hadoop.metrics2.annotation.Metrics;
+
+@InterfaceAudience.Private
+@Metrics(context="yarn")
+public class DisableEventTypeMetrics implements EventTypeMetrics {
+ @Override
+ public void increment(Enum type, long processingTimeUs) {
+ //nop
+ return;
+ }
+ @Override
+ public void getMetrics(MetricsCollector collector, boolean all) {
+ //nop
+ return;
+ }
+
+ @Override
+ public long get(Enum type) {
+ return 0;
+ }
+}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/EventTypeMetrics.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/EventTypeMetrics.java
new file mode 100644
index 0000000..7a7e4f5
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/EventTypeMetrics.java
@@ -0,0 +1,32 @@
+/**
+ * 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.metrics;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.metrics2.MetricsSource;
+import org.apache.hadoop.metrics2.annotation.Metrics;
+
+@InterfaceAudience.Private
+@Metrics(context="yarn")
+public interface EventTypeMetrics<T extends Enum<T>>
+ extends MetricsSource {
+
+ void increment(T type, long processingTimeUs);
+
+ long get(T type);
+}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/GenericEventTypeMetrics.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/GenericEventTypeMetrics.java
new file mode 100644
index 0000000..464edb2
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/metrics/GenericEventTypeMetrics.java
@@ -0,0 +1,160 @@
+/**
+ * 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.metrics;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.metrics2.MetricsCollector;
+import org.apache.hadoop.metrics2.MetricsInfo;
+import org.apache.hadoop.metrics2.MetricsSystem;
+import org.apache.hadoop.metrics2.annotation.Metrics;
+import org.apache.hadoop.metrics2.lib.MetricsRegistry;
+import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.EnumMap;
+
+@InterfaceAudience.Private
+@Metrics(context="yarn")
+public class GenericEventTypeMetrics<T extends Enum<T>>
+ implements EventTypeMetrics<T> {
+
+ static final Logger LOG =
+ LoggerFactory.getLogger(GenericEventTypeMetrics.class);
+
+ private final EnumMap<T, MutableGaugeLong> eventCountMetrics;
+ private final EnumMap<T, MutableGaugeLong> processingTimeMetrics;
+ private final MetricsRegistry registry;
+ private final MetricsSystem ms;
+ private final MetricsInfo info;
+ private final Class<T> enumClass;
+
+ private boolean isInitialized = false;
+
+ public GenericEventTypeMetrics(MetricsInfo info, MetricsSystem ms,
+ final T[] enums, Class<T> enumClass) {
+ this.enumClass = enumClass;
+ this.eventCountMetrics = new EnumMap<>(this.enumClass);
+ this.processingTimeMetrics = new EnumMap<>(this.enumClass);
+ this.ms = ms;
+ this.info = info;
+ this.registry = new MetricsRegistry(this.info);
+
+ //Initialize enum
+ for (final T type : enums) {
+ String eventCountMetricsName =
+ type.toString() + "_" + "event_count";
+ String processingTimeMetricsName =
+ type.toString() + "_" + "processing_time";
+ eventCountMetrics.put(type, this.registry.
+ newGauge(eventCountMetricsName, eventCountMetricsName, 0L));
+ processingTimeMetrics.put(type, this.registry.
+ newGauge(processingTimeMetricsName, processingTimeMetricsName, 0L));
+ }
+ }
+
+ public synchronized GenericEventTypeMetrics registerMetrics() {
+ if (!isInitialized) {
+ // Register with the MetricsSystems
+ if (this.ms != null) {
+ LOG.info("Registering GenericEventTypeMetrics");
+ ms.register(info.name(),
+ info.description(), this);
+ isInitialized = true;
+ }
+ }
+ return this;
+ }
+
+ @Override
+ public void increment(T type, long processingTimeUs) {
+ if (eventCountMetrics.get(type) != null) {
+ eventCountMetrics.get(type).incr();
+ processingTimeMetrics.get(type).incr(processingTimeUs);
+ }
+ }
+
+ @Override
+ public long get(T type) {
+ return eventCountMetrics.get(type).value();
+ }
+
+ public long getTotalProcessingTime(T type) {
+ return processingTimeMetrics.get(type).value();
+ }
+
+ public EnumMap<T, MutableGaugeLong> getEventCountMetrics() {
+ return eventCountMetrics;
+ }
+
+ public EnumMap<T, MutableGaugeLong> getProcessingTimeMetrics() {
+ return processingTimeMetrics;
+ }
+
+ public MetricsRegistry getRegistry() {
+ return registry;
+ }
+
+ public MetricsInfo getInfo() {
+ return info;
+ }
+
+ @Override
+ public void getMetrics(MetricsCollector collector, boolean all) {
+ registry.snapshot(collector.addRecord(registry.info()), all);
+ }
+
+ public Class<T> getEnumClass() {
+ return enumClass;
+ }
+
+ /** Builder class for GenericEventTypeMetrics. */
+ public static class EventTypeMetricsBuilder<T extends Enum<T>>{
+ public EventTypeMetricsBuilder() {
+ }
+
+ public EventTypeMetricsBuilder setEnumClass(Class<T> enumClassValue) {
+ this.enumClass = enumClassValue;
+ return this;
+ }
+
+ public EventTypeMetricsBuilder setEnums(T[] enumsValue) {
+ this.enums = enumsValue.clone();
+ return this;
+ }
+
+ public EventTypeMetricsBuilder setInfo(MetricsInfo infoValue) {
+ this.info = infoValue;
+ return this;
+ }
+
+ public EventTypeMetricsBuilder setMs(MetricsSystem msValue) {
+ this.ms = msValue;
+ return this;
+ }
+
+ public GenericEventTypeMetrics build() {
+ return new GenericEventTypeMetrics(info, ms, enums, enumClass);
+ }
+
+ private MetricsSystem ms;
+ private MetricsInfo info;
+ private Class<T> enumClass;
+ private T[] enums;
+ }
+}
\ No newline at end of file
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/TestAsyncDispatcher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/TestAsyncDispatcher.java
index 55ddd12..7d2572a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/TestAsyncDispatcher.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/TestAsyncDispatcher.java
@@ -20,9 +20,20 @@ package org.apache.hadoop.yarn.event;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
+
+import org.apache.hadoop.metrics2.AbstractMetric;
+import org.apache.hadoop.metrics2.MetricsRecord;
+import org.apache.hadoop.metrics2.impl.MetricsCollectorImpl;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.apache.hadoop.test.GenericTestUtils;
+import org.apache.hadoop.yarn.metrics.GenericEventTypeMetrics;
import org.slf4j.Logger;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -30,6 +41,7 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.junit.Assert;
import org.junit.Test;
+import static org.apache.hadoop.metrics2.lib.Interns.info;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.*;
@@ -118,7 +130,7 @@ public class TestAsyncDispatcher {
}
private enum TestEnum {
- TestEventType
+ TestEventType, TestEventType2
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@@ -230,5 +242,171 @@ public class TestAsyncDispatcher {
}
}
-}
+ @Test
+ public void testMetricsForDispatcher() throws Exception {
+ YarnConfiguration conf = new YarnConfiguration();
+ AsyncDispatcher dispatcher = null;
+
+ try {
+ dispatcher = new AsyncDispatcher("RM Event dispatcher");
+
+ GenericEventTypeMetrics genericEventTypeMetrics =
+ new GenericEventTypeMetrics.EventTypeMetricsBuilder()
+ .setMs(DefaultMetricsSystem.instance())
+ .setInfo(info("GenericEventTypeMetrics for "
+ + TestEnum.class.getName(),
+ "Metrics for " + dispatcher.getName()))
+ .setEnumClass(TestEnum.class)
+ .setEnums(TestEnum.class.getEnumConstants())
+ .build().registerMetrics();
+
+ // We can the metrics enabled for TestEnum
+ dispatcher.addMetrics(genericEventTypeMetrics,
+ genericEventTypeMetrics.getEnumClass());
+ dispatcher.init(conf);
+
+ // Register handler
+ dispatcher.register(TestEnum.class, new TestHandler());
+ dispatcher.start();
+
+ for (int i = 0; i < 3; ++i) {
+ Event event = mock(Event.class);
+ when(event.getType()).thenReturn(TestEnum.TestEventType);
+ dispatcher.getEventHandler().handle(event);
+ }
+
+ for (int i = 0; i < 2; ++i) {
+ Event event = mock(Event.class);
+ when(event.getType()).thenReturn(TestEnum.TestEventType2);
+ dispatcher.getEventHandler().handle(event);
+ }
+
+ // Check event type count.
+ GenericTestUtils.waitFor(() -> genericEventTypeMetrics.
+ get(TestEnum.TestEventType) == 3, 1000, 10000);
+
+ GenericTestUtils.waitFor(() -> genericEventTypeMetrics.
+ get(TestEnum.TestEventType2) == 2, 1000, 10000);
+
+ // Check time spend.
+ Assert.assertTrue(genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType)
+ >= 1500*3);
+ Assert.assertTrue(genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType)
+ < 1500*4);
+
+ Assert.assertTrue(genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType2)
+ >= 1500*2);
+ Assert.assertTrue(genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType2)
+ < 1500*3);
+
+ // Make sure metrics consistent.
+ Assert.assertEquals(Long.toString(genericEventTypeMetrics.
+ get(TestEnum.TestEventType)),
+ genericEventTypeMetrics.
+ getRegistry().get("TestEventType_event_count").toString());
+ Assert.assertEquals(Long.toString(genericEventTypeMetrics.
+ get(TestEnum.TestEventType2)),
+ genericEventTypeMetrics.
+ getRegistry().get("TestEventType2_event_count").toString());
+ Assert.assertEquals(Long.toString(genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType)),
+ genericEventTypeMetrics.
+ getRegistry().get("TestEventType_processing_time").toString());
+ Assert.assertEquals(Long.toString(genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType2)),
+ genericEventTypeMetrics.
+ getRegistry().get("TestEventType2_processing_time").toString());
+
+ } finally {
+ dispatcher.close();
+ }
+
+ }
+
+ @Test
+ public void testDispatcherMetricsHistogram() throws Exception {
+ YarnConfiguration conf = new YarnConfiguration();
+ AsyncDispatcher dispatcher = null;
+
+ try {
+ dispatcher = new AsyncDispatcher("RM Event dispatcher");
+
+ GenericEventTypeMetrics genericEventTypeMetrics =
+ new GenericEventTypeMetrics.EventTypeMetricsBuilder()
+ .setMs(DefaultMetricsSystem.instance())
+ .setInfo(info("GenericEventTypeMetrics for "
+ + TestEnum.class.getName(),
+ "Metrics for " + dispatcher.getName()))
+ .setEnumClass(TestEnum.class)
+ .setEnums(TestEnum.class.getEnumConstants())
+ .build().registerMetrics();
+
+ // We can the metrics enabled for TestEnum
+ dispatcher.addMetrics(genericEventTypeMetrics,
+ genericEventTypeMetrics.getEnumClass());
+ dispatcher.init(conf);
+
+ // Register handler
+ dispatcher.register(TestEnum.class, new TestHandler());
+ dispatcher.start();
+
+ for (int i = 0; i < 3; ++i) {
+ Event event = mock(Event.class);
+ when(event.getType()).thenReturn(TestEnum.TestEventType);
+ dispatcher.getEventHandler().handle(event);
+ }
+
+ for (int i = 0; i < 2; ++i) {
+ Event event = mock(Event.class);
+ when(event.getType()).thenReturn(TestEnum.TestEventType2);
+ dispatcher.getEventHandler().handle(event);
+ }
+
+ // Check event type count.
+ GenericTestUtils.waitFor(() -> genericEventTypeMetrics.
+ get(TestEnum.TestEventType) == 3, 1000, 10000);
+
+ GenericTestUtils.waitFor(() -> genericEventTypeMetrics.
+ get(TestEnum.TestEventType2) == 2, 1000, 10000);
+
+ // submit actual values
+ Map<String, Long> expectedValues = new HashMap<>();
+ expectedValues.put("TestEventType_event_count",
+ genericEventTypeMetrics.get(TestEnum.TestEventType));
+ expectedValues.put("TestEventType_processing_time",
+ genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType));
+ expectedValues.put("TestEventType2_event_count",
+ genericEventTypeMetrics.get(TestEnum.TestEventType2));
+ expectedValues.put("TestEventType2_processing_time",
+ genericEventTypeMetrics.
+ getTotalProcessingTime(TestEnum.TestEventType2));
+ Set<String> testResults = new HashSet<>();
+ MetricsCollectorImpl collector = new MetricsCollectorImpl();
+ genericEventTypeMetrics.getMetrics(collector, true);
+
+ for (MetricsRecord record : collector.getRecords()) {
+ for (AbstractMetric metric : record.metrics()) {
+ String metricName = metric.name();
+ if (expectedValues.containsKey(metricName)) {
+ Long expectedValue = expectedValues.get(metricName);
+ Assert.assertEquals(
+ "Metric " + metricName + " doesn't have expected value",
+ expectedValue, metric.value());
+ testResults.add(metricName);
+ }
+ }
+ }
+ Assert.assertEquals(expectedValues.keySet(), testResults);
+
+ } finally {
+ dispatcher.close();
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/GenericEventTypeMetricsManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/GenericEventTypeMetricsManager.java
new file mode 100644
index 0000000..8fda9b7
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/GenericEventTypeMetricsManager.java
@@ -0,0 +1,42 @@
+/**
+ * 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;
+
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.apache.hadoop.yarn.metrics.GenericEventTypeMetrics;
+
+import static org.apache.hadoop.metrics2.lib.Interns.info;
+
+public final class GenericEventTypeMetricsManager {
+
+ private GenericEventTypeMetricsManager() {
+ // nothing to do
+ }
+
+ // Construct a GenericEventTypeMetrics for dispatcher
+ public static <T extends Enum<T>> GenericEventTypeMetrics
+ create(String dispatcherName, Class<T> eventTypeClass) {
+ return new GenericEventTypeMetrics.EventTypeMetricsBuilder<T>()
+ .setMs(DefaultMetricsSystem.instance())
+ .setInfo(info("GenericEventTypeMetrics for " + eventTypeClass.getName(),
+ "Metrics for " + dispatcherName))
+ .setEnumClass(eventTypeClass)
+ .setEnums(eventTypeClass.getEnumConstants())
+ .build().registerMetrics();
+ }
+}
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
index c315b33..6d2a9fe 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager;
import org.apache.hadoop.thirdparty.com.google.common.annotations.VisibleForTesting;
import com.sun.jersey.spi.container.servlet.ServletContainer;
+import org.apache.hadoop.yarn.metrics.GenericEventTypeMetrics;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
@@ -62,6 +63,7 @@ import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.EventDispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
+
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.nodelabels.NodeAttributesManager;
@@ -449,11 +451,23 @@ public class ResourceManager extends CompositeService
}
protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
- return new EventDispatcher(this.scheduler, "SchedulerEventDispatcher");
+ EventDispatcher dispatcher = new
+ EventDispatcher(this.scheduler, "SchedulerEventDispatcher");
+ dispatcher.
+ setMetrics(GenericEventTypeMetricsManager.
+ create(dispatcher.getName(), SchedulerEventType.class));
+ return dispatcher;
}
protected Dispatcher createDispatcher() {
- return new AsyncDispatcher("RM Event dispatcher");
+ AsyncDispatcher dispatcher = new AsyncDispatcher("RM Event dispatcher");
+ GenericEventTypeMetrics genericEventTypeMetrics =
+ GenericEventTypeMetricsManager.
+ create(dispatcher.getName(), NodesListManagerEventType.class);
+ // We can add more
+ dispatcher.addMetrics(genericEventTypeMetrics,
+ genericEventTypeMetrics.getEnumClass());
+ return dispatcher;
}
protected ResourceScheduler createScheduler() {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceManager.java
index 1cb5e1d..b9c5500 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceManager.java
@@ -29,6 +29,7 @@ import java.util.concurrent.TimeoutException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.http.lib.StaticUserWebFilter;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.net.NetworkTopology;
import org.apache.hadoop.security.AuthenticationFilterInitializer;
import org.apache.hadoop.security.UserGroupInformation;
@@ -73,6 +74,7 @@ public class TestResourceManager {
public void setUp() throws Exception {
YarnConfiguration conf = new YarnConfiguration();
UserGroupInformation.setConfiguration(conf);
+ DefaultMetricsSystem.setMiniClusterMode(true);
resourceManager = new ResourceManager();
resourceManager.init(conf);
resourceManager.getRMContext().getContainerTokenSecretManager().rollMasterKey();
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/TestSchedulerHealth.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerHealth.java
index a75be77..933eaf9 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerHealth.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerHealth.java
@@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.net.NetworkTopology;
import org.apache.hadoop.util.Time;
import org.apache.hadoop.yarn.api.records.ContainerId;
@@ -52,6 +53,7 @@ public class TestSchedulerHealth {
private ResourceManager resourceManager;
public void setup() {
+ DefaultMetricsSystem.setMiniClusterMode(true);
resourceManager = new ResourceManager() {
@Override
protected RMNodeLabelsManager createNodeLabelManager() {
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 b6c0802..d8dc4dc 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
@@ -212,6 +212,7 @@ public class TestCapacityScheduler extends CapacitySchedulerTestBase {
@Before
public void setUp() throws Exception {
ResourceUtils.resetResourceTypes(new Configuration());
+ DefaultMetricsSystem.setMiniClusterMode(true);
resourceManager = new ResourceManager() {
@Override
protected RMNodeLabelsManager createNodeLabelManager() {
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