diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt index 662aeef4a8..0eaec390d5 100644 --- a/hadoop-mapreduce-project/CHANGES.txt +++ b/hadoop-mapreduce-project/CHANGES.txt @@ -1689,6 +1689,9 @@ Release 0.23.0 - Unreleased MAPREDUCE-3181. Fixed MapReduce runtime to load yarn-default.xml and yarn-site.xml. (acmurthy) + MAPREDUCE-2788. Normalize resource requests in FifoScheduler + appropriately. (Ahmed Radwan via acmurthy) + Release 0.22.0 - Unreleased INCOMPATIBLE CHANGES diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java index 8e7ebd9fac..6c3e7952e3 100644 --- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java +++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java @@ -17,11 +17,14 @@ */ package org.apache.hadoop.yarn.server.resourcemanager.scheduler; +import java.util.List; + import org.apache.hadoop.classification.InterfaceAudience.Private; import org.apache.hadoop.classification.InterfaceStability.Unstable; import org.apache.hadoop.yarn.api.records.ContainerId; import org.apache.hadoop.yarn.api.records.ContainerState; import org.apache.hadoop.yarn.api.records.ContainerStatus; +import org.apache.hadoop.yarn.api.records.ResourceRequest; import org.apache.hadoop.yarn.conf.YarnConfiguration; import org.apache.hadoop.yarn.factories.RecordFactory; import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; @@ -72,5 +75,35 @@ public static ContainerStatus createAbnormalContainerStatus( return containerStatus; } + /** + * Utility method to normalize a list of resource requests, by insuring that + * the memory for each request is a multiple of minMemory and is not zero. + * + * @param asks + * a list of resource requests. + * @param minMemory + * the configured minimum memory allocation. + */ + public static void normalizeRequests(List asks, + int minMemory) { + for (ResourceRequest ask : asks) { + normalizeRequest(ask, minMemory); + } + } + + /** + * Utility method to normalize a resource request, by insuring that the + * requested memory is a multiple of minMemory and is not zero. + * + * @param ask + * the resource request. + * @param minMemory + * the configured minimum memory allocation. + */ + public static void normalizeRequest(ResourceRequest ask, int minMemory) { + int memory = Math.max(ask.getCapability().getMemory(), minMemory); + ask.getCapability().setMemory( + minMemory * ((memory / minMemory) + (memory % minMemory > 0 ? 1 : 0))); + } } diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java index f0c38db2fa..16cdbae771 100644 --- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java +++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java @@ -441,7 +441,7 @@ public Allocation allocate(ApplicationAttemptId applicationAttemptId, } // Sanity check - normalizeRequests(ask); + SchedulerUtils.normalizeRequests(ask, minimumAllocation.getMemory()); // Release containers for (ContainerId releasedContainerId : release) { @@ -521,21 +521,6 @@ public List getQueueUserAclInfo() { return root.getQueueUserAclInfo(user); } - @Lock(Lock.NoLock.class) - private void normalizeRequests(List asks) { - for (ResourceRequest ask : asks) { - normalizeRequest(ask); - } - } - - @Lock(Lock.NoLock.class) - private void normalizeRequest(ResourceRequest ask) { - int minMemory = minimumAllocation.getMemory(); - int memory = Math.max(ask.getCapability().getMemory(), minMemory); - ask.getCapability().setMemory ( - minMemory * ((memory/minMemory) + (memory%minMemory > 0 ? 1 : 0))); - } - private synchronized void nodeUpdate(RMNode nm, List newlyLaunchedContainers, List completedContainers) { diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java index 1060762406..86d0e2c519 100644 --- a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java +++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java @@ -217,7 +217,7 @@ public Allocation allocate( } // Sanity check - normalizeRequests(ask); + SchedulerUtils.normalizeRequests(ask, MINIMUM_MEMORY); // Release containers for (ContainerId releasedContainer : release) { @@ -260,21 +260,6 @@ public Allocation allocate( application.getHeadroom()); } - private void normalizeRequests(List asks) { - for (ResourceRequest ask : asks) { - normalizeRequest(ask); - } - } - - private void normalizeRequest(ResourceRequest ask) { - int memory = ask.getCapability().getMemory(); - // FIXME: TestApplicationCleanup is relying on unnormalized behavior. - memory = - MINIMUM_MEMORY * - ((memory/MINIMUM_MEMORY) + (memory%MINIMUM_MEMORY > 0 ? 1 : 0)); - ask.setCapability(Resources.createResource(memory)); - } - private SchedulerApp getApplication( ApplicationAttemptId applicationAttemptId) { return applications.get(applicationAttemptId); diff --git a/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerUtils.java b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerUtils.java new file mode 100644 index 0000000000..7b185bbf4c --- /dev/null +++ b/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerUtils.java @@ -0,0 +1,57 @@ +/** + * 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; + +import static org.junit.Assert.assertEquals; + +import org.apache.hadoop.yarn.api.records.ResourceRequest; +import org.apache.hadoop.yarn.api.records.impl.pb.ResourceRequestPBImpl; +import org.apache.hadoop.yarn.server.resourcemanager.resource.Resource; +import org.junit.Test; + +public class TestSchedulerUtils { + + @Test + public void testNormalizeRequest() { + int minMemory = 1024; + ResourceRequest ask = new ResourceRequestPBImpl(); + + // case negative memory + ask.setCapability(Resource.createResource(-1024)); + SchedulerUtils.normalizeRequest(ask, minMemory); + assertEquals(minMemory, ask.getCapability().getMemory()); + + // case zero memory + ask.setCapability(Resource.createResource(0)); + SchedulerUtils.normalizeRequest(ask, minMemory); + assertEquals(minMemory, ask.getCapability().getMemory()); + + // case memory is a multiple of minMemory + ask.setCapability(Resource.createResource(2 * minMemory)); + SchedulerUtils.normalizeRequest(ask, minMemory); + assertEquals(2 * minMemory, ask.getCapability().getMemory()); + + // case memory is not a multiple of minMemory + ask.setCapability(Resource.createResource(minMemory + 10)); + SchedulerUtils.normalizeRequest(ask, minMemory); + assertEquals(2 * minMemory, ask.getCapability().getMemory()); + + } + +}