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Posted to yarn-commits@hadoop.apache.org by ka...@apache.org on 2014/08/08 16:38:18 UTC
svn commit: r1616784 -
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSOpDurations.java
Author: kasha
Date: Fri Aug 8 14:38:18 2014
New Revision: 1616784
URL: http://svn.apache.org/r1616784
Log:
YARN-2352. Add missing file. FairScheduler: Collect metrics on duration of critical methods that affect performance. (kasha)
Added:
hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSOpDurations.java
Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSOpDurations.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSOpDurations.java?rev=1616784&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSOpDurations.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSOpDurations.java Fri Aug 8 14:38:18 2014
@@ -0,0 +1,119 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+import org.apache.hadoop.metrics2.MetricsCollector;
+import org.apache.hadoop.metrics2.MetricsInfo;
+import org.apache.hadoop.metrics2.MetricsSource;
+import org.apache.hadoop.metrics2.MetricsSystem;
+import org.apache.hadoop.metrics2.annotation.Metric;
+import org.apache.hadoop.metrics2.annotation.Metrics;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.apache.hadoop.metrics2.lib.MetricsRegistry;
+
+import static org.apache.hadoop.metrics2.lib.Interns.info;
+import org.apache.hadoop.metrics2.lib.MutableRate;
+
+/**
+ * Class to capture the performance metrics of FairScheduler.
+ * This should be a singleton.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+@Metrics(context="fairscheduler-op-durations")
+public class FSOpDurations implements MetricsSource {
+
+ @Metric("Duration for a continuous scheduling run")
+ MutableRate continuousSchedulingRun;
+
+ @Metric("Duration to handle a node update")
+ MutableRate nodeUpdateCall;
+
+ @Metric("Duration for a update thread run")
+ MutableRate updateThreadRun;
+
+ @Metric("Duration for an update call")
+ MutableRate updateCall;
+
+ @Metric("Duration for a preempt call")
+ MutableRate preemptCall;
+
+ private static final MetricsInfo RECORD_INFO =
+ info("FSOpDurations", "Durations of FairScheduler calls or thread-runs");
+
+ private final MetricsRegistry registry;
+
+ private boolean isExtended = false;
+
+ private static final FSOpDurations INSTANCE = new FSOpDurations();
+
+ public static FSOpDurations getInstance(boolean isExtended) {
+ INSTANCE.setExtended(isExtended);
+ return INSTANCE;
+ }
+
+ private FSOpDurations() {
+ registry = new MetricsRegistry(RECORD_INFO);
+ registry.tag(RECORD_INFO, "FSOpDurations");
+
+ MetricsSystem ms = DefaultMetricsSystem.instance();
+ if (ms != null) {
+ ms.register(RECORD_INFO.name(), RECORD_INFO.description(), this);
+ }
+ }
+
+ private synchronized void setExtended(boolean isExtended) {
+ if (isExtended == INSTANCE.isExtended)
+ return;
+
+ continuousSchedulingRun.setExtended(isExtended);
+ nodeUpdateCall.setExtended(isExtended);
+ updateThreadRun.setExtended(isExtended);
+ updateCall.setExtended(isExtended);
+ preemptCall.setExtended(isExtended);
+
+ INSTANCE.isExtended = isExtended;
+ }
+
+ @Override
+ public synchronized void getMetrics(MetricsCollector collector, boolean all) {
+ registry.snapshot(collector.addRecord(registry.info()), all);
+ }
+
+ public void addContinuousSchedulingRunDuration(long value) {
+ continuousSchedulingRun.add(value);
+ }
+
+ public void addNodeUpdateDuration(long value) {
+ nodeUpdateCall.add(value);
+ }
+
+ public void addUpdateThreadRunDuration(long value) {
+ updateThreadRun.add(value);
+ }
+
+ public void addUpdateCallDuration(long value) {
+ updateCall.add(value);
+ }
+
+ public void addPreemptCallDuration(long value) {
+ preemptCall.add(value);
+ }
+}