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From sur...@apache.org
Subject svn commit: r1293071 - in /hadoop/common/trunk/hadoop-common-project/hadoop-common: ./ src/main/java/org/apache/hadoop/ipc/ src/test/java/org/apache/hadoop/ipc/
Date Fri, 24 Feb 2012 04:05:40 GMT
Author: suresh
Date: Fri Feb 24 04:05:39 2012
New Revision: 1293071

URL: http://svn.apache.org/viewvc?rev=1293071&view=rev
Log:
HADOOP-8085. Add RPC metrics to ProtobufRpcEngine. Contributed by Hari Mankude.


Modified:
    hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1293071&r1=1293070&r2=1293071&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Fri Feb 24 04:05:39
2012
@@ -89,6 +89,9 @@ 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)
+
   BUG FIXES
 
     HADOOP-8018.  Hudson auto test for HDFS has started throwing javadoc

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java?rev=1293071&r1=1293070&r2=1293071&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java
(original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java
Fri Feb 24 04:05:39 2012
@@ -379,6 +379,24 @@ public class ProtobufRpcEngine implement
      * 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 implement
         if (server.verbose)
           LOG.info("Call: protocol=" + protocol + ", method=" + methodName);
         
-        ProtoNameVer pv = new ProtoNameVer(protoName, clientVersion);
-        ProtoClassProtoImpl protocolImpl = 
-            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);
-        }
-        
+        ProtoClassProtoImpl protocolImpl = getProtocolImpl(server, protoName,
+            clientVersion);
         BlockingService service = (BlockingService) protocolImpl.protocolImpl;
         MethodDescriptor methodDescriptor = service.getDescriptorForType()
             .findMethodByName(methodName);
@@ -438,7 +443,19 @@ public class ProtobufRpcEngine implement
             .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);

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java?rev=1293071&r1=1293070&r2=1293071&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
(original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
Fri Feb 24 04:05:39 2012
@@ -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() {

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java?rev=1293071&r1=1293070&r2=1293071&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java
(original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestProtoBufRpc.java
Fri Feb 24 04:05:39 2012
@@ -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.Te
 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);
   }
 }
\ No newline at end of file



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