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From aengin...@apache.org
Subject [18/50] [abbrv] hadoop git commit: YARN-7738. CapacityScheduler: Support refresh maximum allocation for multiple resource types. Contributed by Wangda Tan.
Date Wed, 24 Jan 2018 22:35:47 GMT
YARN-7738. CapacityScheduler: Support refresh maximum allocation for multiple resource types.
Contributed by Wangda Tan.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/06cceba1
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/06cceba1
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/06cceba1

Branch: refs/heads/HDFS-7240
Commit: 06cceba1cb07340c412c4467439c16ea6812e685
Parents: 8e5472b
Author: Sunil G <sunilg@apache.org>
Authored: Thu Jan 18 19:05:26 2018 +0530
Committer: Sunil G <sunilg@apache.org>
Committed: Thu Jan 18 19:05:26 2018 +0530

----------------------------------------------------------------------
 .../hadoop/yarn/api/records/Resource.java       |   3 +
 .../yarn/util/resource/ResourceUtils.java       |  40 ++++--
 .../server/resourcemanager/AdminService.java    |   3 +-
 .../scheduler/capacity/CapacityScheduler.java   |  10 +-
 .../CapacitySchedulerConfiguration.java         |  22 ++-
 .../scheduler/capacity/LeafQueue.java           |   4 +-
 .../capacity/TestCapacityScheduler.java         |  11 +-
 ...CapacitySchedulerWithMultiResourceTypes.java | 139 +++++++++++++++++++
 8 files changed, 193 insertions(+), 39 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Resource.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Resource.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Resource.java
index 304a963..78a691b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Resource.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/Resource.java
@@ -369,6 +369,9 @@ public abstract class Resource implements Comparable<Resource> {
       return;
     }
     if (resource.equals(ResourceInformation.VCORES_URI)) {
+      if (value > Integer.MAX_VALUE) {
+        value = (long) Integer.MAX_VALUE;
+      }
       this.setVirtualCores((int)value);
       return;
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java
index b352752..5a660ce 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java
@@ -199,9 +199,23 @@ public class ResourceUtils {
     }
   }
 
-  @VisibleForTesting
-  static void initializeResourcesMap(Configuration conf) {
+  /**
+   * Get maximum allocation from config, *THIS WILL NOT UPDATE INTERNAL DATA*
+   * @param conf config
+   * @return maximum allocation
+   */
+  public static Resource fetchMaximumAllocationFromConfig(Configuration conf) {
+    Map<String, ResourceInformation> resourceInformationMap =
+        getResourceInformationMapFromConfig(conf);
+    Resource ret = Resource.newInstance(0, 0);
+    for (ResourceInformation entry : resourceInformationMap.values()) {
+      ret.setResourceValue(entry.getName(), entry.getMaximumAllocation());
+    }
+    return ret;
+  }
 
+  private static Map<String, ResourceInformation> getResourceInformationMapFromConfig(
+      Configuration conf) {
     Map<String, ResourceInformation> resourceInformationMap = new HashMap<>();
     String[] resourceNames = conf.getStrings(YarnConfiguration.RESOURCE_TYPES);
 
@@ -247,6 +261,13 @@ public class ResourceUtils {
 
     setAllocationForMandatoryResources(resourceInformationMap, conf);
 
+    return resourceInformationMap;
+  }
+
+  @VisibleForTesting
+  static void initializeResourcesMap(Configuration conf) {
+    Map<String, ResourceInformation> resourceInformationMap =
+        getResourceInformationMapFromConfig(conf);
     initializeResourcesFromResourceInformationMap(resourceInformationMap);
   }
 
@@ -544,19 +565,8 @@ public class ResourceUtils {
   public static Resource getResourceTypesMaximumAllocation() {
     Resource ret = Resource.newInstance(0, 0);
     for (ResourceInformation entry : resourceTypesArray) {
-      String name = entry.getName();
-      if (name.equals(ResourceInformation.MEMORY_MB.getName())) {
-        ret.setMemorySize(entry.getMaximumAllocation());
-      } else if (name.equals(ResourceInformation.VCORES.getName())) {
-        Long tmp = entry.getMaximumAllocation();
-        if (tmp > Integer.MAX_VALUE) {
-          tmp = (long) Integer.MAX_VALUE;
-        }
-        ret.setVirtualCores(tmp.intValue());
-        continue;
-      } else {
-        ret.setResourceValue(name, entry.getMaximumAllocation());
-      }
+      ret.setResourceValue(entry.getName(),
+          entry.getMaximumAllocation());
     }
     return ret;
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
index accf901..3c117bc 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/AdminService.java
@@ -404,7 +404,8 @@ public class AdminService extends CompositeService implements
       throws IOException, YarnException {
     // Retrieve yarn-site.xml in order to refresh scheduling monitor properties.
     Configuration conf = getConfiguration(new Configuration(false),
-        YarnConfiguration.YARN_SITE_CONFIGURATION_FILE);
+        YarnConfiguration.YARN_SITE_CONFIGURATION_FILE,
+        YarnConfiguration.RESOURCE_TYPES_CONFIGURATION_FILE);
     // The reason we call Configuration#size() is because when getConfiguration
     // been called, it invokes Configuration#addResouce, which invokes
     // Configuration#reloadConfiguration which triggers the reload process in a

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
index 7e2a623..ba2f85a 100644
--- a/hadoop-yarn-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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
@@ -143,6 +143,7 @@ import org.apache.hadoop.yarn.server.utils.Lock;
 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.ResourceUtils;
 import org.apache.hadoop.yarn.util.resource.Resources;
 
 import com.google.common.annotations.VisibleForTesting;
@@ -439,12 +440,15 @@ public class CapacityScheduler extends
       validateConf(this.conf);
       try {
         LOG.info("Re-initializing queues...");
-        refreshMaximumAllocation(this.conf.getMaximumAllocation());
+        refreshMaximumAllocation(
+            ResourceUtils.fetchMaximumAllocationFromConfig(this.conf));
         reinitializeQueues(this.conf);
       } catch (Throwable t) {
         this.conf = oldConf;
-        refreshMaximumAllocation(this.conf.getMaximumAllocation());
-        throw new IOException("Failed to re-init queues : "+ t.getMessage(), t);
+        refreshMaximumAllocation(
+            ResourceUtils.fetchMaximumAllocationFromConfig(this.conf));
+        throw new IOException("Failed to re-init queues : " + t.getMessage(),
+            t);
       }
 
       // update lazy preemption

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
index 8aa41ee..e609be9 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java
@@ -51,6 +51,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy.Schedulabl
 import org.apache.hadoop.yarn.util.UnitsConversionUtil;
 import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
 import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
+import org.apache.hadoop.yarn.util.resource.ResourceUtils;
 import org.apache.hadoop.yarn.util.resource.Resources;
 
 import java.util.ArrayList;
@@ -835,16 +836,6 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
     return Resources.createResource(minimumMemory, minimumCores);
   }
 
-  public Resource getMaximumAllocation() {
-    int maximumMemory = getInt(
-        YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
-        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB);
-    int maximumCores = getInt(
-        YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
-        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES);
-    return Resources.createResource(maximumMemory, maximumCores);
-  }
-
   @Private
   public Priority getQueuePriority(String queue) {
     String queuePolicyPrefix = getQueuePrefix(queue);
@@ -868,6 +859,8 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
    * @return setting specified per queue else falls back to the cluster setting
    */
   public Resource getMaximumAllocationPerQueue(String queue) {
+    // Only support to specify memory and vcores maximum allocation per queue
+    // for now.
     String queuePrefix = getQueuePrefix(queue);
     long maxAllocationMbPerQueue = getInt(queuePrefix + MAXIMUM_ALLOCATION_MB,
         (int)UNDEFINED);
@@ -879,7 +872,7 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
       LOG.debug("max alloc vcores per queue for " + queue + " is "
           + maxAllocationVcoresPerQueue);
     }
-    Resource clusterMax = getMaximumAllocation();
+    Resource clusterMax = ResourceUtils.fetchMaximumAllocationFromConfig(this);
     if (maxAllocationMbPerQueue == (int)UNDEFINED) {
       LOG.info("max alloc mb per queue for " + queue + " is undefined");
       maxAllocationMbPerQueue = clusterMax.getMemorySize();
@@ -888,8 +881,11 @@ public class CapacitySchedulerConfiguration extends ReservationSchedulerConfigur
        LOG.info("max alloc vcore per queue for " + queue + " is undefined");
       maxAllocationVcoresPerQueue = clusterMax.getVirtualCores();
     }
-    Resource result = Resources.createResource(maxAllocationMbPerQueue,
-        maxAllocationVcoresPerQueue);
+    // Copy from clusterMax and overwrite per-queue's maximum memory/vcore
+    // allocation.
+    Resource result = Resources.clone(clusterMax);
+    result.setMemorySize(maxAllocationMbPerQueue);
+    result.setVirtualCores(maxAllocationVcoresPerQueue);
     if (maxAllocationMbPerQueue > clusterMax.getMemorySize()
         || maxAllocationVcoresPerQueue > clusterMax.getVirtualCores()) {
       throw new IllegalArgumentException(

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
index 31032b3..8d1428d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
@@ -553,8 +553,8 @@ public class LeafQueue extends AbstractCSQueue {
       // since we have already told running AM's the size
       Resource oldMax = getMaximumAllocation();
       Resource newMax = newlyParsedLeafQueue.getMaximumAllocation();
-      if (newMax.getMemorySize() < oldMax.getMemorySize()
-          || newMax.getVirtualCores() < oldMax.getVirtualCores()) {
+
+      if (!Resources.fitsIn(oldMax, newMax)) {
         throw new IOException("Trying to reinitialize " + getQueuePath()
             + " the maximum allocation size can not be decreased!"
             + " Current setting: " + oldMax + ", trying to set it to: "

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/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
----------------------------------------------------------------------
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 e91f734..7628312 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
@@ -154,6 +154,7 @@ import org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
 import org.apache.hadoop.yarn.util.resource.DominantResourceCalculator;
+import org.apache.hadoop.yarn.util.resource.ResourceUtils;
 import org.apache.hadoop.yarn.util.resource.Resources;
 import org.junit.After;
 import org.junit.Assert;
@@ -2942,7 +2943,7 @@ public class TestCapacityScheduler {
         conf.getMaximumAllocationPerQueue(A1).getMemorySize());
     assertEquals("max allocation",
         YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
-        conf.getMaximumAllocation().getMemorySize());
+        ResourceUtils.fetchMaximumAllocationFromConfig(conf).getMemorySize());
 
     CSQueue rootQueue = cs.getRootQueue();
     CSQueue queueA = findQueue(rootQueue, A);
@@ -3043,10 +3044,10 @@ public class TestCapacityScheduler {
         conf.getMaximumAllocationPerQueue(A1).getVirtualCores());
     assertEquals("cluster max allocation MB",
         YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
-        conf.getMaximumAllocation().getMemorySize());
+        ResourceUtils.fetchMaximumAllocationFromConfig(conf).getMemorySize());
     assertEquals("cluster max allocation vcores",
         YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
-        conf.getMaximumAllocation().getVirtualCores());
+        ResourceUtils.fetchMaximumAllocationFromConfig(conf).getVirtualCores());
 
     CSQueue rootQueue = cs.getRootQueue();
     CSQueue queueA = findQueue(rootQueue, A);
@@ -3065,10 +3066,10 @@ public class TestCapacityScheduler {
         conf.getMaximumAllocationPerQueue(A1).getVirtualCores());
     assertEquals("max allocation MB cluster",
         YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
-        conf.getMaximumAllocation().getMemorySize());
+        ResourceUtils.fetchMaximumAllocationFromConfig(conf).getMemorySize());
     assertEquals("max allocation vcores cluster",
         YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
-        conf.getMaximumAllocation().getVirtualCores());
+        ResourceUtils.fetchMaximumAllocationFromConfig(conf).getVirtualCores());
     assertEquals("queue max allocation MB", 6144,
         ((LeafQueue) queueA1).getMaximumAllocation().getMemorySize());
     assertEquals("queue max allocation vcores", 3,

http://git-wip-us.apache.org/repos/asf/hadoop/blob/06cceba1/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerWithMultiResourceTypes.java
----------------------------------------------------------------------
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/TestCapacitySchedulerWithMultiResourceTypes.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/TestCapacitySchedulerWithMultiResourceTypes.java
index 38768e5..2da2cdd 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/TestCapacitySchedulerWithMultiResourceTypes.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/TestCapacitySchedulerWithMultiResourceTypes.java
@@ -43,6 +43,7 @@ import org.apache.hadoop.yarn.util.resource.ResourceUtils;
 import org.junit.Assert;
 import org.junit.Test;
 
+import java.io.IOException;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
@@ -147,4 +148,142 @@ public class TestCapacitySchedulerWithMultiResourceTypes {
         TestUtils.createResource(2 * GB, 2, ImmutableMap.of(RESOURCE_1, 2)),
         containerTokenIdentifier.getResource());
   }
+
+  @Test
+  public void testMaximumAllocationRefreshWithMultipleResourceTypes() throws Exception {
+
+    // Initialize resource map
+    Map<String, ResourceInformation> riMap = new HashMap<>();
+
+    // Initialize mandatory resources
+    ResourceInformation memory = ResourceInformation.newInstance(
+        ResourceInformation.MEMORY_MB.getName(),
+        ResourceInformation.MEMORY_MB.getUnits(),
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB,
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB);
+    ResourceInformation vcores = ResourceInformation.newInstance(
+        ResourceInformation.VCORES.getName(),
+        ResourceInformation.VCORES.getUnits(),
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES,
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES);
+    riMap.put(ResourceInformation.MEMORY_URI, memory);
+    riMap.put(ResourceInformation.VCORES_URI, vcores);
+    riMap.put(RESOURCE_1, ResourceInformation.newInstance(RESOURCE_1, "", 0,
+        ResourceTypes.COUNTABLE, 0, 3333L));
+
+    ResourceUtils.initializeResourcesFromResourceInformationMap(riMap);
+
+    CapacitySchedulerConfiguration csconf =
+        new CapacitySchedulerConfiguration();
+    csconf.setMaximumApplicationMasterResourcePerQueuePercent("root", 100.0f);
+    csconf.setMaximumAMResourcePercentPerPartition("root", "", 100.0f);
+    csconf.setMaximumApplicationMasterResourcePerQueuePercent("root.default",
+        100.0f);
+    csconf.setMaximumAMResourcePercentPerPartition("root.default", "", 100.0f);
+    csconf.setResourceComparator(DominantResourceCalculator.class);
+    csconf.set(YarnConfiguration.RESOURCE_TYPES, RESOURCE_1);
+    csconf.setInt(YarnConfiguration.RESOURCE_TYPES + "." + RESOURCE_1
+        + ".maximum-allocation", 3333);
+
+    YarnConfiguration conf = new YarnConfiguration(csconf);
+    // Don't reset resource types since we have already configured resource
+    // types
+    conf.setBoolean(TestResourceProfiles.TEST_CONF_RESET_RESOURCE_TYPES, false);
+    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
+        ResourceScheduler.class);
+
+    MockRM rm = new MockRM(conf);
+    rm.start();
+
+    CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();
+    Assert.assertEquals(3333L,
+        cs.getMaximumResourceCapability().getResourceValue(RESOURCE_1));
+    Assert.assertEquals(3333L,
+        cs.getMaximumAllocation().getResourceValue(RESOURCE_1));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        cs.getMaximumResourceCapability()
+            .getResourceValue(ResourceInformation.MEMORY_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        cs.getMaximumAllocation()
+            .getResourceValue(ResourceInformation.MEMORY_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        cs.getMaximumResourceCapability()
+            .getResourceValue(ResourceInformation.VCORES_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        cs.getMaximumAllocation()
+            .getResourceValue(ResourceInformation.VCORES_URI));
+
+    // Set RES_1 to 3332 (less than 3333) and refresh CS, failures expected.
+    csconf.set(YarnConfiguration.RESOURCE_TYPES, RESOURCE_1);
+    csconf.setInt(YarnConfiguration.RESOURCE_TYPES + "." + RESOURCE_1
+        + ".maximum-allocation", 3332);
+
+    boolean exception = false;
+    try {
+      cs.reinitialize(csconf, rm.getRMContext());
+    } catch (IOException e) {
+      exception = true;
+    }
+
+    Assert.assertTrue("Should have exception in CS", exception);
+
+    // Maximum allocation won't be updated
+    Assert.assertEquals(3333L,
+        cs.getMaximumResourceCapability().getResourceValue(RESOURCE_1));
+    Assert.assertEquals(3333L,
+        cs.getMaximumAllocation().getResourceValue(RESOURCE_1));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        cs.getMaximumResourceCapability()
+            .getResourceValue(ResourceInformation.MEMORY_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        cs.getMaximumAllocation()
+            .getResourceValue(ResourceInformation.MEMORY_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        cs.getMaximumResourceCapability()
+            .getResourceValue(ResourceInformation.VCORES_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        cs.getMaximumAllocation()
+            .getResourceValue(ResourceInformation.VCORES_URI));
+
+    // Set RES_1 to 3334 and refresh CS, should success
+    csconf.set(YarnConfiguration.RESOURCE_TYPES, RESOURCE_1);
+    csconf.setInt(YarnConfiguration.RESOURCE_TYPES + "." + RESOURCE_1
+        + ".maximum-allocation", 3334);
+    cs.reinitialize(csconf, rm.getRMContext());
+
+    // Maximum allocation will be updated
+    Assert.assertEquals(3334,
+        cs.getMaximumResourceCapability().getResourceValue(RESOURCE_1));
+
+    // Since we haven't updated the real configuration of ResourceUtils,
+    // cs.getMaximumAllocation won't be updated.
+    Assert.assertEquals(3333,
+        cs.getMaximumAllocation().getResourceValue(RESOURCE_1));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        cs.getMaximumResourceCapability()
+            .getResourceValue(ResourceInformation.MEMORY_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+        cs.getMaximumAllocation()
+            .getResourceValue(ResourceInformation.MEMORY_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        cs.getMaximumResourceCapability()
+            .getResourceValue(ResourceInformation.VCORES_URI));
+    Assert.assertEquals(
+        YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+        cs.getMaximumAllocation()
+            .getResourceValue(ResourceInformation.VCORES_URI));
+
+    rm.close();
+  }
 }


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