diff --git a/src/main/java/com/profiler/modifier/DefaultModifierRegistry.java b/src/main/java/com/profiler/modifier/DefaultModifierRegistry.java
index b355bee53..26f02313e 100644
--- a/src/main/java/com/profiler/modifier/DefaultModifierRegistry.java
+++ b/src/main/java/com/profiler/modifier/DefaultModifierRegistry.java
@@ -4,6 +4,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import com.profiler.interceptor.bci.ByteCodeInstrumentor;
+import com.profiler.modifier.arcus.ArcusClientModifier;
 import com.profiler.modifier.connector.HTTPClientModifier;
 import com.profiler.modifier.db.cubrid.CubridPreparedStatementModifier;
 import com.profiler.modifier.db.cubrid.CubridResultSetModifier;
@@ -52,6 +53,9 @@ public class DefaultModifierRegistry implements ModifierRegistry {
 	public void addConnectorModifier() {
 		HTTPClientModifier httpClientModifier = new HTTPClientModifier(byteCodeInstrumentor);
 		addModifier(httpClientModifier);
+
+		ArcusClientModifier arcusClientModifier = new ArcusClientModifier(byteCodeInstrumentor);
+		addModifier(arcusClientModifier);
 	}
 
 	public void addTomcatModifier() {
diff --git a/src/main/java/com/profiler/modifier/arcus/ArcusClientModifier.java b/src/main/java/com/profiler/modifier/arcus/ArcusClientModifier.java
index ac0f75000..0dabf0cef 100644
--- a/src/main/java/com/profiler/modifier/arcus/ArcusClientModifier.java
+++ b/src/main/java/com/profiler/modifier/arcus/ArcusClientModifier.java
@@ -1,14 +1,15 @@
 package com.profiler.modifier.arcus;
 
+import java.nio.ByteBuffer;
 import java.security.ProtectionDomain;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import javassist.ByteArrayClassPath;
+import javassist.CtClass;
+import javassist.CtMethod;
 
-import com.profiler.interceptor.Interceptor;
+import com.profiler.context.Trace;
 import com.profiler.interceptor.bci.ByteCodeInstrumentor;
-import com.profiler.interceptor.bci.InstrumentClass;
 import com.profiler.modifier.AbstractModifier;
 
 /**
@@ -25,7 +26,7 @@ public class ArcusClientModifier extends AbstractModifier {
 	}
 
 	public String getTargetClass() {
-		return "org/apache/http/impl/client/AbstractHttpClient";
+		return "net/spy/memcached/protocol/BaseOperationImpl";
 	}
 
 	public byte[] modify(ClassLoader classLoader, String javassistClassName, ProtectionDomain protectedDomain, byte[] classFileBuffer) {
@@ -33,17 +34,48 @@ public class ArcusClientModifier extends AbstractModifier {
 			logger.info("Modifing. " + javassistClassName);
 		}
 
-		Interceptor interceptor = newInterceptor(classLoader, protectedDomain, "com.profiler.modifier.connector.interceptors.ExecuteMethodInterceptor");
-		if (interceptor == null) {
+		try {
+			classLoader.loadClass("net.spy.memcached.ops.OperationState");
+
+			CtClass cc = classPool.get(javassistClassName);
+			CtClass[] params1 = new CtClass[1];
+			params1[0] = classPool.getCtClass("net.spy.memcached.ops.OperationState");
+			CtMethod transitionStateMethod = cc.getDeclaredMethod("transitionState", params1);
+
+			StringBuilder code = new StringBuilder();
+			code.append("{");
+			
+//			code.append("System.out.println($1);");
+//			code.append("System.out.println(\"Change state \" + state + \" -> \" + newState);");
+//			code.append("System.out.println(handlingNode);");
+//			code.append("System.out.println(\"cmd=\" + ((cmd == null) ? null : new String(cmd.array())));");
+//			code.append("System.out.println(Thread.currentThread().getId());");
+//			code.append("System.out.println(Thread.currentThread().getName());");
+//			code.append("System.out.println(\"\");");
+//			code.append("System.out.println(\"\");");
+//			code.append("System.out.println(\"\");");
+			
+			code.append("if (newState == net.spy.memcached.ops.OperationState.READING) {");
+			code.append("	java.net.SocketAddress socketAddress = handlingNode.getSocketAddress();");
+			code.append("	if (socketAddress instanceof java.net.InetSocketAddress) {");
+			code.append("		java.net.InetSocketAddress addr = (java.net.InetSocketAddress) handlingNode.getSocketAddress();");
+			code.append("		com.profiler.context.Trace.recordServerAddr(addr.getHostName(), addr.getPort());");
+			code.append("	}");
+			code.append("	com.profiler.context.Trace.recordRpcName(\"arcus\", ((cmd == null) ? \"UNKNOWN\" : new String(cmd.array())));");
+			code.append("	System.out.println(\"CS\");");
+			code.append("	com.profiler.context.Trace.record(new com.profiler.context.Annotation.ClientSend());");
+			code.append("} else if (newState == net.spy.memcached.ops.OperationState.COMPLETE) {");
+			code.append("	System.out.println(\"CR\");");
+			code.append("	com.profiler.context.Trace.record(new com.profiler.context.Annotation.ClientRecv());");
+			code.append("}");
+			
+			code.append("}");
+			transitionStateMethod.insertBefore(code.toString());
+			
+			return cc.toBytecode();
+		} catch (Exception e) {
+			e.printStackTrace();
 			return null;
 		}
-
-		byteCodeInstrumentor.checkLibrary(classLoader, javassistClassName);
-		classPool.insertClassPath(new ByteArrayClassPath(javassistClassName, classFileBuffer));
-
-		InstrumentClass aClass = byteCodeInstrumentor.getClass(javassistClassName);
-		aClass.addInterceptor("execute", new String[] { "org.apache.http.HttpHost", "org.apache.http.HttpRequest", "org.apache.http.client.ResponseHandler", "org.apache.http.protocol.HttpContext" }, interceptor);
-
-		return aClass.toBytecode();
 	}
 }
\ No newline at end of file
diff --git a/src/main/java/com/profiler/modifier/arcus/interceptors/ExecuteMethodInterceptor.java b/src/main/java/com/profiler/modifier/arcus/interceptors/ExecuteMethodInterceptor.java
deleted file mode 100644
index 36af18758..000000000
--- a/src/main/java/com/profiler/modifier/arcus/interceptors/ExecuteMethodInterceptor.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.profiler.modifier.arcus.interceptors;
-
-import com.profiler.StopWatch;
-import com.profiler.context.Annotation;
-import com.profiler.context.Trace;
-import com.profiler.interceptor.StaticAroundInterceptor;
-
-public class ExecuteMethodInterceptor implements StaticAroundInterceptor {
-
-	@Override
-	public void before(Object target, String className, String methodName, Object[] args) {
-		System.out.println("\n\n\n\nARCUS BEFORE");
-
-		StopWatch.start("ExecuteMethodInterceptor");
-	}
-
-	@Override
-	public void after(Object target, String className, String methodName, Object[] args, Object result) {
-		System.out.println("\n\n\n\nARCUS AFTER");
-		Trace.record(new Annotation.ClientRecv(), StopWatch.stopAndGetElapsed("ExecuteMethodInterceptor"));
-	}
-}
\ No newline at end of file