Merge trunk into HA branch.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1293279 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -89,6 +89,12 @@ Trunk (unreleased changes)
     HADOOP-8084. Updates ProtoBufRpc engine to not do an unnecessary copy 
     for RPC request/response. (ddas)
 
+    HADOOP-8085. Add RPC metrics to ProtobufRpcEngine. (Hari Mankude via
+    suresh)
+
+    HADOOP-8108. Move method getHostPortString() from NameNode to NetUtils.
+    (Brandon Li via jitendra)
+
   BUG FIXES
 
     HADOOP-8018.  Hudson auto test for HDFS has started throwing javadoc

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java

@@ -379,6 +379,24 @@ public class ProtobufRpcEngine implements RpcEngine {
      * Protobuf invoker for {@link RpcInvoker}
      */
     static class ProtoBufRpcInvoker implements RpcInvoker {
+      private static ProtoClassProtoImpl getProtocolImpl(RPC.Server server,
+          String protoName, long version) throws IOException {
+        ProtoNameVer pv = new ProtoNameVer(protoName, version);
+        ProtoClassProtoImpl impl = 
+            server.getProtocolImplMap(RpcKind.RPC_PROTOCOL_BUFFER).get(pv);
+        if (impl == null) { // no match for Protocol AND Version
+          VerProtocolImpl highest = 
+              server.getHighestSupportedProtocol(RpcKind.RPC_PROTOCOL_BUFFER, 
+                  protoName);
+          if (highest == null) {
+            throw new IOException("Unknown protocol: " + protoName);
+          }
+          // protocol supported but not the version that client wants
+          throw new RPC.VersionMismatch(protoName, version,
+              highest.version);
+        }
+        return impl;
+      }
 
       @Override 
       /**
@@ -409,21 +427,8 @@ public class ProtobufRpcEngine implements RpcEngine {
         if (server.verbose)
           LOG.info("Call: protocol=" + protocol + ", method=" + methodName);
         
-        ProtoNameVer pv = new ProtoNameVer(protoName, clientVersion);
+        ProtoClassProtoImpl protocolImpl = getProtocolImpl(server, protoName,
-        ProtoClassProtoImpl protocolImpl = 
+            clientVersion);
-            server.getProtocolImplMap(RpcKind.RPC_PROTOCOL_BUFFER).get(pv);
-        if (protocolImpl == null) { // no match for Protocol AND Version
-          VerProtocolImpl highest = 
-              server.getHighestSupportedProtocol(RpcKind.RPC_PROTOCOL_BUFFER, 
-                  protoName);
-          if (highest == null) {
-            throw new IOException("Unknown protocol: " + protoName);
-          }
-          // protocol supported but not the version that client wants
-          throw new RPC.VersionMismatch(protoName, clientVersion,
-              highest.version);
-        }
-        
         BlockingService service = (BlockingService) protocolImpl.protocolImpl;
         MethodDescriptor methodDescriptor = service.getDescriptorForType()
             .findMethodByName(methodName);
@@ -438,7 +443,19 @@ public class ProtobufRpcEngine implements RpcEngine {
             .mergeFrom(rpcRequest.getRequest()).build();
         Message result;
         try {
+          long startTime = System.currentTimeMillis();
+          server.rpcDetailedMetrics.init(protocolImpl.protocolClass);
           result = service.callBlockingMethod(methodDescriptor, null, param);
+          int processingTime = (int) (System.currentTimeMillis() - startTime);
+          int qTime = (int) (startTime - receiveTime);
+          if (LOG.isDebugEnabled()) {
+            LOG.info("Served: " + methodName + " queueTime= " + qTime +
+                      " procesingTime= " + processingTime);
+          }
+          server.rpcMetrics.addRpcQueueTime(qTime);
+          server.rpcMetrics.addRpcProcessingTime(processingTime);
+          server.rpcDetailedMetrics.addProcessingTime(methodName,
+              processingTime);
         } catch (ServiceException e) {
           Throwable cause = e.getCause();
           return handleException(cause != null ? cause : e);

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java

@@ -317,10 +317,15 @@ public abstract class Server {
    * Returns a handle to the rpcMetrics (required in tests)
    * @return rpc metrics
    */
+  @VisibleForTesting
   public RpcMetrics getRpcMetrics() {
     return rpcMetrics;
   }
 
+  @VisibleForTesting
+  public RpcDetailedMetrics getRpcDetailedMetrics() {
+    return rpcDetailedMetrics;
+  }
   
   @VisibleForTesting
   Iterable<? extends Thread> getHandlers() {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java

@@ -606,6 +606,13 @@ public class NetUtils {
     catch(UnknownHostException uhe) {return "" + uhe;}
   }
   
+  /**
+   * Compose a "host:port" string from the address.
+   */
+  public static String getHostPortString(InetSocketAddress addr) {
+    return addr.getHostName() + ":" + addr.getPort();
+  }
+  
   /**
    * Checks if {@code host} is a local host name and return {@link InetAddress}
    * corresponding to that address.

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java

@@ -17,6 +17,9 @@
  */
 package org.apache.hadoop.ipc;
 
+import static org.apache.hadoop.test.MetricsAsserts.getMetrics;
+import static org.apache.hadoop.test.MetricsAsserts.assertCounterGt;
+
 import java.io.IOException;
 import java.net.InetSocketAddress;
 
@@ -28,6 +31,7 @@ import org.apache.hadoop.ipc.protobuf.TestProtos.EmptyRequestProto;
 import org.apache.hadoop.ipc.protobuf.TestProtos.EmptyResponseProto;
 import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpcProto;
 import org.apache.hadoop.ipc.protobuf.TestRpcServiceProtos.TestProtobufRpc2Proto;
+import org.apache.hadoop.metrics2.MetricsRecordBuilder;
 import org.apache.hadoop.net.NetUtils;
 import org.junit.Assert;
 import org.junit.Test;
@@ -187,5 +191,14 @@ public class TestProtoBufRpc {
         .setMessage("hello").build();
     EchoResponseProto echoResponse = client.echo2(null, echoRequest);
     Assert.assertEquals(echoResponse.getMessage(), "hello");
+    
+    // Ensure RPC metrics are updated
+    MetricsRecordBuilder rpcMetrics = getMetrics(server.getRpcMetrics().name());
+    assertCounterGt("RpcQueueTimeNumOps", 0L, rpcMetrics);
+    assertCounterGt("RpcProcessingTimeNumOps", 0L, rpcMetrics);
+    
+    MetricsRecordBuilder rpcDetailedMetrics = 
+        getMetrics(server.getRpcDetailedMetrics().name());
+    assertCounterGt("Echo2NumOps", 0L, rpcDetailedMetrics);
   }
 }

hadoop-mapreduce-project/CHANGES.txt

@@ -137,6 +137,12 @@ Release 0.23.2 - UNRELEASED
 
     MAPREDUCE-3884. PWD should be first in the classpath of MR tasks (tucu)
 
+    MAPREDUCE-3878. Null user on filtered jobhistory job page (Jonathon Eagles
+    via tgraves)
+
+    MAPREDUCE-3738. MM can hang during shutdown if AppLogAggregatorImpl thread
+    dies unexpectedly (Jason Lowe via sseth)
+ 
 Release 0.23.1 - 2012-02-17 
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/AppController.java

@@ -343,9 +343,15 @@ public class AppController extends Controller implements AMParams {
    * @return True if the requesting user has permission to view the job
    */
   boolean checkAccess(Job job) {
-    UserGroupInformation callerUgi = UserGroupInformation.createRemoteUser(
+    String remoteUser = request().getRemoteUser();
-        request().getRemoteUser());
+    UserGroupInformation callerUGI = null;
-    return job.checkAccess(callerUgi, JobACL.VIEW_JOB);
+    if (remoteUser != null) {
+      callerUGI = UserGroupInformation.createRemoteUser(remoteUser);
+    }
+    if (callerUGI != null && !job.checkAccess(callerUGI, JobACL.VIEW_JOB)) {
+      return false;
+    }
+    return true;
   }
 
   /**

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/AppLogAggregatorImpl.java

@@ -133,8 +133,16 @@ public class AppLogAggregatorImpl implements AppLogAggregator {
   }
 
   @Override
-  @SuppressWarnings("unchecked")
   public void run() {
+    try {
+      doAppLogAggregation();
+    } finally {
+      this.appAggregationFinished.set(true);
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private void doAppLogAggregation() {
     ContainerId containerId;
 
     while (!this.appFinishing.get()) {
@@ -189,8 +197,6 @@ public class AppLogAggregatorImpl implements AppLogAggregator {
     this.dispatcher.getEventHandler().handle(
         new ApplicationEvent(this.appId,
             ApplicationEventType.APPLICATION_LOG_HANDLING_FINISHED));
-        
-    this.appAggregationFinished.set(true);
   }
 
   private Path getRemoteNodeTmpLogFileForApp() {

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/TestLogAggregationService.java

@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregatio
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.when;
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertTrue;
 
@@ -69,6 +70,7 @@ import org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogKey;
 import org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat.LogReader;
 import org.apache.hadoop.yarn.server.nodemanager.CMgrCompletedAppsEvent;
 import org.apache.hadoop.yarn.server.nodemanager.DeletionService;
+import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.BaseContainerManagerTest;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEventType;
@@ -536,4 +538,31 @@ public class TestLogAggregationService extends BaseContainerManagerTest {
     appAcls.put(ApplicationAccessType.VIEW_APP, "*");
     return appAcls;
   }
+
+  @Test(timeout=20000)
+  @SuppressWarnings("unchecked")
+  public void testStopAfterError() throws Exception {
+    DeletionService delSrvc = mock(DeletionService.class);
+
+    // get the AppLogAggregationImpl thread to crash
+    LocalDirsHandlerService mockedDirSvc = mock(LocalDirsHandlerService.class);
+    when(mockedDirSvc.getLogDirs()).thenThrow(new RuntimeException());
+
+    DrainDispatcher dispatcher = createDispatcher();
+    EventHandler<ApplicationEvent> appEventHandler = mock(EventHandler.class);
+    dispatcher.register(ApplicationEventType.class, appEventHandler);
+
+    LogAggregationService logAggregationService =
+        new LogAggregationService(dispatcher, this.context, delSrvc,
+                                  mockedDirSvc);
+    logAggregationService.init(this.conf);
+    logAggregationService.start();
+
+    ApplicationId application1 = BuilderUtils.newApplicationId(1234, 1);
+    logAggregationService.handle(new LogHandlerAppStartedEvent(
+            application1, this.user, null,
+            ContainerLogsRetentionPolicy.ALL_CONTAINERS, this.acls));
+
+    logAggregationService.stop();
+  }
 }