Merging r1535792 through r1536181 from trunk to HDFS-2832.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1536182 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -449,6 +449,9 @@ Release 2.2.1 - UNRELEASED
     HADOOP-10055. FileSystemShell.apt.vm doc has typo "numRepicas".
     (Akira Ajisaka via cnauroth)
 
+    HADOOP-10072. TestNfsExports#testMultiMatchers fails due to non-deterministic
+    timing around cache expiry check. (cnauroth)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/TestNfsExports.java

@@ -35,6 +35,7 @@ public class TestNfsExports {
       Nfs3Constant.EXPORTS_CACHE_EXPIRYTIME_MILLIS_DEFAULT * 1000 * 1000;
   
   private static final int CacheSize = Nfs3Constant.EXPORTS_CACHE_SIZE_DEFAULT;
+  private static final long NanosPerMillis = 1000000;
 
   @Test
   public void testWildcardRW() {
@@ -185,7 +186,15 @@ public class TestNfsExports {
     
     Thread.sleep(1000);
     // no cache for address2 now
-    Assert.assertEquals(AccessPrivilege.NONE,
+    AccessPrivilege ap;
-        matcher.getAccessPrivilege(address2, address2));
+    long startNanos = System.nanoTime();
+    do {
+      ap = matcher.getAccessPrivilege(address2, address2);
+      if (ap == AccessPrivilege.NONE) {
+        break;
+      }
+      Thread.sleep(500);
+    } while ((System.nanoTime() - startNanos) / NanosPerMillis < 5000);
+    Assert.assertEquals(AccessPrivilege.NONE, ap);
   }
 }

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -384,6 +384,9 @@ Release 2.3.0 - UNRELEASED
     HDFS-5400.  DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT constant is set
     to the wrong value.  (Colin Patrick McCabe)
 
+    HDFS-5257. addBlock() retry should return LocatedBlock with locations else client 
+    will get AIOBE. (Vinay via jing9)
+
 Release 2.2.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java

@@ -1101,6 +1101,11 @@ public class DFSOutputStream extends FSOutputSummer
     //
     private boolean createBlockOutputStream(DatanodeInfo[] nodes, long newGS,
         boolean recoveryFlag) {
+      if (nodes.length == 0) {
+        DFSClient.LOG.info("nodes are empty for write pipeline of block "
+            + block);
+        return false;
+      }
       Status pipelineStatus = SUCCESS;
       String firstBadLink = "";
       if (DFSClient.LOG.isDebugEnabled()) {

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

@@ -2502,8 +2502,8 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
       final INodeFileUnderConstruction pendingFile =
           (INodeFileUnderConstruction) inodes[inodes.length - 1];
 
-      if(onRetryBlock[0] != null) {
+      if (onRetryBlock[0] != null && onRetryBlock[0].getLocations().length > 0) {
-        // This is a retry. Just return the last block.
+        // This is a retry. Just return the last block if having locations.
         return onRetryBlock[0];
       }
       if (pendingFile.getBlocks().length >= maxBlocksPerFile) {
@@ -2540,9 +2540,18 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
       final INodeFileUnderConstruction pendingFile =
           (INodeFileUnderConstruction) inodes[inodes.length - 1];
 
-      if(onRetryBlock[0] != null) {
+      if (onRetryBlock[0] != null) {
-        // This is a retry. Just return the last block.
+        if (onRetryBlock[0].getLocations().length > 0) {
+          // This is a retry. Just return the last block if having locations.
           return onRetryBlock[0];
+        } else {
+          // add new chosen targets to already allocated block and return
+          BlockInfo lastBlockInFile = pendingFile.getLastBlock();
+          ((BlockInfoUnderConstruction) lastBlockInFile)
+              .setExpectedLocations(targets);
+          offset = pendingFile.computeFileSize();
+          return makeLocatedBlock(lastBlockInFile, targets, offset);
+        }
       }
 
       // commit the last block and complete it if it has minimum replicas

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestAddBlockRetry.java

@@ -20,6 +20,7 @@ package org.apache.hadoop.hdfs.server.namenode;
 
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.spy;
 
@@ -139,4 +140,33 @@ public class TestAddBlockRetry {
     assertEquals("Wrong replication", REPLICATION, lb1.getLocations().length);
     assertEquals("Blocks are not equal", lb1.getBlock(), lb2.getBlock());
   }
+
+  /*
+   * Since NameNode will not persist any locations of the block, addBlock()
+   * retry call after restart NN should re-select the locations and return to
+   * client. refer HDFS-5257
+   */
+  @Test
+  public void testAddBlockRetryShouldReturnBlockWithLocations()
+      throws Exception {
+    final String src = "/testAddBlockRetryShouldReturnBlockWithLocations";
+    NamenodeProtocols nameNodeRpc = cluster.getNameNodeRpc();
+    // create file
+    nameNodeRpc.create(src, FsPermission.getFileDefault(), "clientName",
+        new EnumSetWritable<CreateFlag>(EnumSet.of(CreateFlag.CREATE)), true,
+        (short) 3, 1024);
+    // start first addBlock()
+    LOG.info("Starting first addBlock for " + src);
+    LocatedBlock lb1 = nameNodeRpc.addBlock(src, "clientName", null, null,
+        INodeId.GRANDFATHER_INODE_ID, null);
+    assertTrue("Block locations should be present",
+        lb1.getLocations().length > 0);
+
+    cluster.restartNameNode();
+    nameNodeRpc = cluster.getNameNodeRpc();
+    LocatedBlock lb2 = nameNodeRpc.addBlock(src, "clientName", null, null,
+        INodeId.GRANDFATHER_INODE_ID, null);
+    assertEquals("Blocks are not equal", lb1.getBlock(), lb2.getBlock());
+    assertTrue("Wrong locations with retry", lb2.getLocations().length > 0);
+  }
 }

hadoop-yarn-project/CHANGES.txt

@@ -111,6 +111,9 @@ Release 2.2.1 - UNRELEASED
     YARN-1335. Move duplicate code from FSSchedulerApp and FiCaSchedulerApp
     into SchedulerApplication (Sandy Ryza)
 
+    YARN-1333. Support blacklisting in the Fair Scheduler (Tsuyoshi Ozawa via
+    Sandy Ryza)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerAppUtils.java

@@ -0,0 +1,48 @@
+/**
+ * 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 org.apache.commons.logging.Log;
+
+public class SchedulerAppUtils {
+
+  public static  boolean isBlacklisted(SchedulerApplication application,
+      SchedulerNode node, Log LOG) {
+    if (application.isBlacklisted(node.getNodeName())) {
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Skipping 'host' " + node.getNodeName() +
+            " for " + application.getApplicationId() +
+            " since it has been blacklisted");
+      }
+      return true;
+    }
+
+    if (application.isBlacklisted(node.getRackName())) {
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Skipping 'rack' " + node.getRackName() +
+            " for " + application.getApplicationId() +
+            " since it has been blacklisted");
+      }
+      return true;
+    }
+
+    return false;
+  }
+
+}

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

@@ -57,9 +57,9 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerStat
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.apache.hadoop.yarn.server.utils.Lock;
@@ -823,7 +823,7 @@ public class LeafQueue implements CSQueue {
 
       synchronized (application) {
         // Check if this resource is on the blacklist
-        if (FiCaSchedulerUtils.isBlacklisted(application, node, LOG)) {
+        if (SchedulerAppUtils.isBlacklisted(application, node, LOG)) {
           continue;
         }
         

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSLeafQueue.java

@@ -33,6 +33,7 @@ import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.QueueACL;
 import org.apache.hadoop.yarn.api.records.QueueUserACLInfo;
 import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppUtils;
 import org.apache.hadoop.yarn.util.resource.Resources;
 
 @Private
@@ -155,6 +156,10 @@ public class FSLeafQueue extends FSQueue {
     Collections.sort(appScheds, comparator);
     for (AppSchedulable sched : appScheds) {
       if (sched.getRunnable()) {
+        if (SchedulerAppUtils.isBlacklisted(sched.getApp(), node, LOG)) {
+          continue;
+        }
+
         assigned = sched.assignContainer(node);
         if (!assigned.equals(Resources.none())) {
           break;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java

@@ -883,6 +883,8 @@ public class FairScheduler implements ResourceScheduler {
         preemptionContainerIds.add(container.getContainerId());
       }
 
+      application.updateBlacklist(blacklistAdditions, blacklistRemovals);
+      
       return new Allocation(application.pullNewlyAllocatedContainers(),
           application.getHeadroom(), preemptionContainerIds);
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java

@@ -65,18 +65,9 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEven
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeCleanContainerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.UpdatedContainerInfo;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.*;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Queue;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppReport;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNodeReport;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppRemovedSchedulerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.ContainerExpiredSchedulerEvent;
@@ -405,7 +396,7 @@ public class FifoScheduler implements ResourceScheduler, Configurable {
       application.showRequests();
       synchronized (application) {
         // Check if this resource is on the blacklist
-        if (FiCaSchedulerUtils.isBlacklisted(application, node, LOG)) {
+        if (SchedulerAppUtils.isBlacklisted(application, node, LOG)) {
           continue;
         }
         

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java

@@ -22,11 +22,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.fail;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyString;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 import java.io.File;
 import java.io.FileWriter;
@@ -36,7 +33,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -46,8 +42,6 @@ import junit.framework.Assert;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
-import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.hadoop.security.authorize.AccessControlList;
 import org.apache.hadoop.yarn.MockApps;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
@@ -59,7 +53,6 @@ import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.QueueACL;
 import org.apache.hadoop.yarn.api.records.ResourceRequest;
 import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationSubmissionContextPBImpl;
-import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.AsyncDispatcher;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
@@ -80,7 +73,6 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppRemovedSchedulerEvent;
@@ -90,16 +82,12 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateS
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.policies.DominantResourceFairnessPolicy;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.policies.FairSharePolicy;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.policies.FifoPolicy;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
-import org.apache.hadoop.yarn.server.resourcemanager.security.QueueACLsManager;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.apache.hadoop.yarn.util.Clock;
 import org.apache.hadoop.yarn.util.resource.Resources;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-import org.mockito.invocation.InvocationOnMock;
-import org.mockito.stubbing.Answer;
 import org.xml.sax.SAXException;
 
 public class TestFairScheduler {
@@ -2447,4 +2435,55 @@ public class TestFairScheduler {
     assertEquals(2, jerryQueue.getAppSchedulables().size());
     assertEquals(2, defaultQueue.getAppSchedulables().size());
   }
+
+  @SuppressWarnings("resource")
+  @Test
+  public void testBlacklistNodes() throws Exception {
+    final int GB = 1024;
+    String host = "127.0.0.1";
+    RMNode node =
+        MockNodes.newNodeInfo(1, Resources.createResource(16 * GB, 16),
+            0, host);
+    NodeAddedSchedulerEvent nodeEvent = new NodeAddedSchedulerEvent(node);
+    NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node);
+    scheduler.handle(nodeEvent);
+
+    ApplicationAttemptId appAttemptId =
+        createSchedulingRequest(GB, "root.default", "user", 1);
+    FSSchedulerApp app = scheduler.applications.get(appAttemptId);
+
+    // Verify the blacklist can be updated independent of requesting containers
+    scheduler.allocate(appAttemptId, Collections.<ResourceRequest>emptyList(),
+        Collections.<ContainerId>emptyList(),
+        Collections.singletonList(host), null);
+    assertTrue(app.isBlacklisted(host));
+    scheduler.allocate(appAttemptId, Collections.<ResourceRequest>emptyList(),
+        Collections.<ContainerId>emptyList(), null,
+        Collections.singletonList(host));
+    assertFalse(scheduler.applications.get(appAttemptId).isBlacklisted(host));
+
+    List<ResourceRequest> update = Arrays.asList(
+        createResourceRequest(GB, node.getHostName(), 1, 0, true));
+
+    // Verify a container does not actually get placed on the blacklisted host
+    scheduler.allocate(appAttemptId, update,
+        Collections.<ContainerId>emptyList(),
+        Collections.singletonList(host), null);
+    assertTrue(app.isBlacklisted(host));
+    scheduler.update();
+    scheduler.handle(updateEvent);
+    assertEquals("Incorrect number of containers allocated", 0, app
+        .getLiveContainers().size());
+
+    // Verify a container gets placed on the empty blacklist
+    scheduler.allocate(appAttemptId, update,
+        Collections.<ContainerId>emptyList(), null,
+        Collections.singletonList(host));
+    assertFalse(app.isBlacklisted(host));
+    createSchedulingRequest(GB, "root.default", "user", 1);
+    scheduler.update();
+    scheduler.handle(updateEvent);
+    assertEquals("Incorrect number of containers allocated", 1, app
+        .getLiveContainers().size());
+  }
 }