diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/RawUTF8StringPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/RawUTF8StringPointable.java
new file mode 100644
index 0000000..c90ce5a
--- /dev/null
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/RawUTF8StringPointable.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2009-2010 by The Regents of the University of California
+ * Licensed 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 from
+ * 
+ *     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 edu.uci.ics.hyracks.data.std.primitive;
+
+import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import edu.uci.ics.hyracks.data.std.api.AbstractPointable;
+import edu.uci.ics.hyracks.data.std.api.IComparable;
+import edu.uci.ics.hyracks.data.std.api.IHashable;
+import edu.uci.ics.hyracks.data.std.api.IPointable;
+import edu.uci.ics.hyracks.data.std.api.IPointableFactory;
+
+/**
+ * This class provides the raw bytes-based comparison and hash function for UTF8 strings.
+ * Note that the comparison may not deliver the correct ordering for certain languages that include 2 or 3 bytes characters.
+ * But it works for single-byte character languages.
+ */
+public final class RawUTF8StringPointable extends AbstractPointable implements IHashable, IComparable {
+    public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() {
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public boolean isFixedLength() {
+            return false;
+        }
+
+        @Override
+        public int getFixedLength() {
+            return 0;
+        }
+    };
+
+    public static final IPointableFactory FACTORY = new IPointableFactory() {
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public IPointable createPointable() {
+            return new RawUTF8StringPointable();
+        }
+
+        @Override
+        public ITypeTraits getTypeTraits() {
+            return TYPE_TRAITS;
+        }
+    };
+
+    @Override
+    public int compareTo(IPointable pointer) {
+        return compareTo(pointer.getByteArray(), pointer.getStartOffset(), pointer.getLength());
+    }
+
+    @Override
+    public int compareTo(byte[] bytes, int start, int length) {
+        int utflen1 = UTF8StringPointable.getUTFLength(this.bytes, this.start);
+        int utflen2 = UTF8StringPointable.getUTFLength(bytes, start);
+
+        int c1 = 0;
+        int c2 = 0;
+
+        int s1Start = this.start + 2;
+        int s2Start = start + 2;
+
+        while (c1 < utflen1 && c2 < utflen2) {
+            char ch1 = (char) this.bytes[s1Start + c1];
+            char ch2 = (char) bytes[s2Start + c2];
+
+            if (ch1 != ch2) {
+                return ch1 - ch2;
+            }
+            c1++;
+            c2++;
+        }
+        return utflen1 - utflen2;
+    }
+
+    @Override
+    public int hash() {
+        int h = 0;
+        int utflen = UTF8StringPointable.getUTFLength(bytes, start);
+        int sStart = start + 2;
+        int c = 0;
+
+        while (c < utflen) {
+            char ch = (char) bytes[sStart + c];
+            h = 31 * h + ch;
+            c++;
+        }
+        return h;
+    }
+
+    public void toString(StringBuilder buffer) {
+        UTF8StringPointable.toString(buffer, bytes, start);
+    }
+}
diff --git a/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/UTF8StringPointable.java b/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/UTF8StringPointable.java
index f6d6093..866ebb0 100644
--- a/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/UTF8StringPointable.java
+++ b/hyracks/hyracks-data/hyracks-data-std/src/main/java/edu/uci/ics/hyracks/data/std/primitive/UTF8StringPointable.java
@@ -216,4 +216,4 @@
     public void toString(StringBuilder buffer) {
         toString(buffer, bytes, start);
     }
-}
\ No newline at end of file
+}
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java
new file mode 100644
index 0000000..e95e9c2
--- /dev/null
+++ b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/DoubleNormalizedKeyComputerFactory.java
@@ -0,0 +1,28 @@
+package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+
+import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+
+public class DoubleNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public INormalizedKeyComputer createNormalizedKeyComputer() {
+        return new INormalizedKeyComputer() {
+
+            @Override
+            public int normalize(byte[] bytes, int start, int length) {
+                int prefix = IntegerSerializerDeserializer.getInt(bytes, start);
+                if (prefix >= 0) {
+                    return prefix ^ Integer.MIN_VALUE;
+                } else {
+                    return (int) ((long) 0xffffffff - (long) prefix);
+                }
+            }
+
+        };
+    }
+
+}
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java
new file mode 100644
index 0000000..d58afc1
--- /dev/null
+++ b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/FloatNormalizedKeyComputerFactory.java
@@ -0,0 +1,28 @@
+package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+
+import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
+
+public class FloatNormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public INormalizedKeyComputer createNormalizedKeyComputer() {
+        return new INormalizedKeyComputer() {
+
+            @Override
+            public int normalize(byte[] bytes, int start, int length) {
+                int prefix = IntegerSerializerDeserializer.getInt(bytes, start);
+                if (prefix >= 0) {
+                    return prefix ^ Integer.MIN_VALUE;
+                } else {
+                    return (int) ((long) 0xffffffff - (long) prefix);
+                }
+            }
+
+        };
+    }
+
+}
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java
new file mode 100644
index 0000000..4589909
--- /dev/null
+++ b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/Integer64NormalizedKeyComputerFactory.java
@@ -0,0 +1,55 @@
+package edu.uci.ics.hyracks.dataflow.common.data.normalizers;
+
+import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputer;
+import edu.uci.ics.hyracks.api.dataflow.value.INormalizedKeyComputerFactory;
+import edu.uci.ics.hyracks.dataflow.common.data.marshalling.Integer64SerializerDeserializer;
+
+public class Integer64NormalizedKeyComputerFactory implements INormalizedKeyComputerFactory {
+
+    private static final long serialVersionUID = 8735044913496854551L;
+
+    @Override
+    public INormalizedKeyComputer createNormalizedKeyComputer() {
+        return new INormalizedKeyComputer() {
+            private static final int POSTIVE_LONG_MASK = (3 << 30);
+            private static final int NON_NEGATIVE_INT_MASK = (2 << 30);
+            private static final int NEGATIVE_LONG_MASK = (0 << 30);
+
+            @Override
+            public int normalize(byte[] bytes, int start, int length) {
+                long value = Integer64SerializerDeserializer.getLong(bytes, start);
+                int highValue = (int) (value >> 32);
+                if (highValue > 0) {
+                    /**
+                     * larger than Integer.MAX
+                     */
+                    int highNmk = getKey(highValue);
+                    highNmk >>= 2;
+                    highNmk |= POSTIVE_LONG_MASK;
+                    return highNmk;
+                } else if (highValue == 0) {
+                    /**
+                     * smaller than Integer.MAX but >=0
+                     */
+                    int lowNmk = (int) value;
+                    lowNmk >>= 2;
+                    lowNmk |= NON_NEGATIVE_INT_MASK;
+                    return lowNmk;
+                } else {
+                    /**
+                     * less than 0: have not optimized for that
+                     */
+                    int highNmk = getKey(highValue);
+                    highNmk >>= 2;
+                    highNmk |= NEGATIVE_LONG_MASK;
+                    return highNmk;
+                }
+            }
+
+            private int getKey(int value) {
+                return value ^ Integer.MIN_VALUE;
+            }
+
+        };
+    }
+}
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java
index 2f7a778..6a01842 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/normalizers/IntegerNormalizedKeyComputerFactory.java
@@ -27,8 +27,7 @@
             @Override
             public int normalize(byte[] bytes, int start, int length) {
                 int value = IntegerSerializerDeserializer.getInt(bytes, start);
-                long unsignedValue = (long) value;
-                return (int) ((unsignedValue - ((long) Integer.MIN_VALUE)) & 0xffffffffL);
+                return value ^Integer.MIN_VALUE;
             }
         };
     }
diff --git a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/parsers/LongParserFactory.java b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/parsers/LongParserFactory.java
index 6a9dab7..d9191c7 100644
--- a/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/parsers/LongParserFactory.java
+++ b/hyracks/hyracks-dataflow-common/src/main/java/edu/uci/ics/hyracks/dataflow/common/data/parsers/LongParserFactory.java
@@ -32,7 +32,7 @@
         return new IValueParser() {
             @Override
             public void parse(char[] buffer, int start, int length, DataOutput out) throws HyracksDataException {
-                long n = 0;
+                int n = 0;
                 int sign = 1;
                 int i = 0;
                 boolean pre = true;
@@ -102,7 +102,7 @@
                             throw new HyracksDataException("Encountered " + ch);
                     }
                 }
-
+                
                 try {
                     out.writeLong(n * sign);
                 } catch (IOException e) {
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java b/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java
index 2905574..6e2b16a 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoin.java
@@ -81,6 +81,8 @@
 
     private int[] buildPSizeInFrames; //Used for partition tuning
     private int freeFramesCounter; //Used for partition tuning
+    
+    private boolean isTableEmpty;	//Added for handling the case, where build side is empty (tableSize is 0)
 
     public OptimizedHybridHashJoin(IHyracksTaskContext ctx, int memForJoin, int numOfPartitions, String rel0Name,
             String rel1Name, int[] keys0, int[] keys1, IBinaryComparator[] comparators, RecordDescriptor buildRd,
@@ -89,10 +91,10 @@
         this.memForJoin = memForJoin;
         this.buildRd = buildRd;
         this.probeRd = probeRd;
-        this.buildHpc = probeHpc;
-        this.probeHpc = buildHpc;
-        this.buildKeys = keys0;
-        this.probeKeys = keys1;
+        this.buildHpc = buildHpc; 	
+        this.probeHpc = probeHpc; 	
+        this.buildKeys = keys1; 	
+        this.probeKeys = keys0;		
         this.comparators = comparators;
         this.rel0Name = rel0Name;
         this.rel1Name = rel1Name;
@@ -117,10 +119,10 @@
         this.memForJoin = memForJoin;
         this.buildRd = buildRd;
         this.probeRd = probeRd;
-        this.buildHpc = probeHpc;
-        this.probeHpc = buildHpc;
-        this.buildKeys = keys0;
-        this.probeKeys = keys1;
+        this.buildHpc = buildHpc; 	
+        this.probeHpc = probeHpc; 	
+        this.buildKeys = keys1; 	
+        this.probeKeys = keys0;		
         this.comparators = comparators;
         this.rel0Name = rel0Name;
         this.rel1Name = rel1Name;
@@ -171,6 +173,12 @@
     public void build(ByteBuffer buffer) throws HyracksDataException {
         accessorBuild.reset(buffer);
         int tupleCount = accessorBuild.getTupleCount();
+   
+        boolean print = false;
+    	if(print){
+    		accessorBuild.prettyPrint();
+    	}
+        
         for (int i = 0; i < tupleCount; ++i) {
             int pid = buildHpc.partition(accessorBuild, i, numOfPartitions);
             processTuple(i, pid);
@@ -338,6 +346,7 @@
 
         createInMemoryJoiner(inMemTupCount);
         cacheInMemJoin();
+        this.isTableEmpty = (inMemTupCount == 0);
     }
 
     private void partitionTune() throws HyracksDataException {
@@ -457,10 +466,14 @@
     }
 
     public void probe(ByteBuffer buffer, IFrameWriter writer) throws HyracksDataException {
-
         accessorProbe.reset(buffer);
         int tupleCount = accessorProbe.getTupleCount();
 
+        boolean print = false;
+    	if(print){
+    		accessorProbe.prettyPrint();
+    	}
+        
         if (numOfSpilledParts == 0) {
             inMemJoiner.join(buffer, writer);
             return;
@@ -604,4 +617,8 @@
                 + freeFramesCounter;
         return s;
     }
+    
+    public boolean isTableEmpty(){
+    	return this.isTableEmpty;
+    }
 }
\ No newline at end of file
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java
index 3a7ee2c..4842ad7 100644
--- a/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java
+++ b/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/join/OptimizedHybridHashJoinOperatorDescriptor.java
@@ -167,10 +167,10 @@
         ProbeAndJoinActivityNode phase2 = new ProbeAndJoinActivityNode(probeAid, buildAid);
 
         builder.addActivity(this, phase1);
-        builder.addSourceEdge(0, phase1, 0);
+        builder.addSourceEdge(1, phase1, 0);
 
         builder.addActivity(this, phase2);
-        builder.addSourceEdge(1, phase2, 0);
+        builder.addSourceEdge(0, phase2, 0);
 
         builder.addBlockingEdge(phase1, phase2);
 
@@ -253,14 +253,7 @@
             for (int i = 0; i < comparatorFactories.length; i++) {
                 comparators[i] = comparatorFactories[i].createBinaryComparator();
             }
-
-            final INullWriter[] nullWriters1 = isLeftOuter ? new INullWriter[nullWriterFactories1.length] : null;
-            if (isLeftOuter) {
-                for (int i = 0; i < nullWriterFactories1.length; i++) {
-                    nullWriters1[i] = nullWriterFactories1[i].createNullWriter();
-                }
-            }
-
+            
             IOperatorNodePushable op = new AbstractUnaryInputSinkOperatorNodePushable() {
                 private BuildAndPartitionTaskState state = new BuildAndPartitionTaskState(ctx.getJobletContext()
                         .getJobId(), new TaskId(getActivityId(), partition));
@@ -278,9 +271,17 @@
                     state.memForJoin = memsize - 2;
                     state.numOfPartitions = getNumberOfPartitions(state.memForJoin, inputsize0, fudgeFactor,
                             nPartitions);
-                    state.hybridHJ = new OptimizedHybridHashJoin(ctx, state.memForJoin, state.numOfPartitions,
-                            PROBE_REL, BUILD_REL, probeKeys, buildKeys, comparators, probeRd, buildRd, probeHpc,
-                            buildHpc);
+                    if(!isLeftOuter){
+                    	state.hybridHJ = new OptimizedHybridHashJoin(ctx, state.memForJoin, state.numOfPartitions,
+                                PROBE_REL, BUILD_REL, probeKeys, buildKeys, comparators, probeRd, buildRd, probeHpc,
+                                buildHpc);
+                    }
+                    else{
+                    	state.hybridHJ = new OptimizedHybridHashJoin(ctx, state.memForJoin, state.numOfPartitions,
+                                PROBE_REL, BUILD_REL, probeKeys, buildKeys, comparators, probeRd, buildRd, probeHpc,
+                                buildHpc, isLeftOuter, nullWriterFactories1);
+                    }
+                    
                     state.hybridHJ.initBuild();
                 }
 
@@ -368,7 +369,9 @@
 
                 @Override
                 public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
-                    state.hybridHJ.probe(buffer, writer);
+                	if(!state.hybridHJ.isTableEmpty()){
+                		state.hybridHJ.probe(buffer, writer);
+                	}
                 }
 
                 @Override
diff --git a/hyracks/hyracks-dist/pom.xml b/hyracks/hyracks-dist/pom.xml
new file mode 100755
index 0000000..4f9fc20
--- /dev/null
+++ b/hyracks/hyracks-dist/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0"?>
+<project
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<artifactId>hyracks</artifactId>
+		<groupId>edu.uci.ics.hyracks</groupId>
+		<version>0.2.2-SNAPSHOT</version>
+	</parent>
+
+	<artifactId>hyracks-dist</artifactId>
+	<name>hyracks-dist</name>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>2.0.2</version>
+				<configuration>
+					<source>1.6</source>
+					<target>1.6</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-resources-plugin</artifactId>
+				<version>2.5</version>
+				<executions>
+					<execution>
+						<id>copy-scripts</id>
+						<!-- here the phase you need -->
+						<phase>package</phase>
+						<goals>
+							<goal>copy-resources</goal>
+						</goals>
+						<configuration>
+							<outputDirectory>target/appassembler/</outputDirectory>
+							<resources>
+								<resource>
+									<directory>src/main/resources</directory>
+								</resource>
+							</resources>
+							<directoryMode>0755</directoryMode>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-antrun-plugin</artifactId>
+				<version>1.6</version>
+				<executions>
+					<execution>
+						<id>process-test-classes</id>
+						<phase>package</phase>
+						<configuration>
+							<target>
+								<chmod file="target/appassembler/bin/*)" perm="755" />
+							</target>
+						</configuration>
+						<goals>
+							<goal>run</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/getip.sh b/hyracks/hyracks-dist/src/main/resources/bin/getip.sh
new file mode 100755
index 0000000..e0cdf73
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/getip.sh
@@ -0,0 +1,21 @@
+#get the OS
+OS_NAME=`uname -a|awk '{print $1}'`
+LINUX_OS='Linux'
+
+if [ $OS_NAME = $LINUX_OS ];
+then
+        #Get IP Address
+        IPADDR=`/sbin/ifconfig eth0 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
+	if [ "$IPADDR" = "" ]
+        then
+		IPADDR=`/sbin/ifconfig lo | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
+        fi 
+else
+        IPADDR=`/sbin/ifconfig en1 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
+	if [ "$IPADDR" = "" ]
+        then
+                IPADDR=`/sbin/ifconfig lo0 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
+        fi
+
+fi
+echo $IPADDR
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/startAllNCs.sh b/hyracks/hyracks-dist/src/main/resources/bin/startAllNCs.sh
new file mode 100755
index 0000000..629bd90
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/startAllNCs.sh
@@ -0,0 +1,6 @@
+PREGELIX_PATH=`pwd`
+
+for i in `cat conf/slaves`
+do
+   ssh $i "cd ${PREGELIX_PATH}; bin/startnc.sh"
+done
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/startCluster.sh b/hyracks/hyracks-dist/src/main/resources/bin/startCluster.sh
new file mode 100755
index 0000000..a0c2063
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/startCluster.sh
@@ -0,0 +1,3 @@
+bin/startcc.sh
+sleep 5
+bin/startAllNCs.sh
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/startDebugNc.sh b/hyracks/hyracks-dist/src/main/resources/bin/startDebugNc.sh
new file mode 100755
index 0000000..fe6cf27
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/startDebugNc.sh
@@ -0,0 +1,50 @@
+hostname
+
+#Get the IP address of the cc
+CCHOST_NAME=`cat conf/master`
+CURRENT_PATH=`pwd`
+CCHOST=`ssh ${CCHOST_NAME} "cd ${CURRENT_PATH}; bin/getip.sh"`
+
+#Import cluster properties
+. conf/cluster.properties
+. conf/debugnc.properties
+
+#Clean up temp dir
+
+rm -rf $NCTMP_DIR2
+mkdir $NCTMP_DIR2
+
+#Clean up log dir
+rm -rf $NCLOGS_DIR2
+mkdir $NCLOGS_DIR2
+
+
+#Clean up I/O working dir
+io_dirs=$(echo $IO_DIRS2 | tr "," "\n")
+for io_dir in $io_dirs
+do
+	rm -rf $io_dir
+	mkdir $io_dir
+done
+
+#Set JAVA_HOME
+export JAVA_HOME=$JAVA_HOME
+
+#Get OS
+IPADDR=`bin/getip.sh`
+
+#Get node ID
+NODEID=`hostname | cut -d '.' -f 1`
+NODEID=${NODEID}2
+
+#Set JAVA_OPTS
+export JAVA_OPTS=$NCJAVA_OPTS2
+
+cd $HYRACKS_HOME
+HYRACKS_HOME=`pwd`
+
+#Enter the temp dir
+cd $NCTMP_DIR2
+
+#Launch hyracks nc
+$HYRACKS_HOME/hyracks-server/target/appassembler/bin/hyracksnc -cc-host $CCHOST -cc-port $CC_CLUSTERPORT -cluster-net-ip-address $IPADDR  -data-ip-address $IPADDR -node-id $NODEID -iodevices "${IO_DIRS2}" &> $NCLOGS_DIR2/$NODEID.log &
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh b/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh
new file mode 100755
index 0000000..fe2551d
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+hostname
+
+#Import cluster properties
+. conf/cluster.properties
+
+#Get the IP address of the cc
+CCHOST_NAME=`cat conf/master`
+CCHOST=`bin/getip.sh`
+
+#Remove the temp dir
+rm -rf $CCTMP_DIR
+mkdir $CCTMP_DIR
+
+#Remove the logs dir
+rm -rf $CCLOGS_DIR
+mkdir $CCLOGS_DIR
+
+#Export JAVA_HOME and JAVA_OPTS
+export JAVA_HOME=$JAVA_HOME
+export JAVA_OPTS=$CCJAVA_OPTS
+
+#Launch hyracks cc script
+chmod -R 755 $HYRACKS_HOME
+$HYRACKS_HOME/hyracks-server/target/appassembler/bin/hyrackscc -client-net-ip-address $CCHOST -cluster-net-ip-address $CCHOST -client-net-port $CC_CLIENTPORT -cluster-net-port $CC_CLUSTERPORT -max-heartbeat-lapse-periods 999999 -default-max-job-attempts 0 -job-history-size 3 &> $CCLOGS_DIR/cc.log &
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/startnc.sh b/hyracks/hyracks-dist/src/main/resources/bin/startnc.sh
new file mode 100755
index 0000000..6e0f90e
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/startnc.sh
@@ -0,0 +1,49 @@
+hostname
+
+MY_NAME=`hostname`
+#Get the IP address of the cc
+CCHOST_NAME=`cat conf/master`
+CURRENT_PATH=`pwd`
+CCHOST=`ssh ${CCHOST_NAME} "cd ${CURRENT_PATH}; bin/getip.sh"`
+
+#Import cluster properties
+. conf/cluster.properties
+
+#Clean up temp dir
+
+rm -rf $NCTMP_DIR
+mkdir $NCTMP_DIR
+
+#Clean up log dir
+rm -rf $NCLOGS_DIR
+mkdir $NCLOGS_DIR
+
+
+#Clean up I/O working dir
+io_dirs=$(echo $IO_DIRS | tr "," "\n")
+for io_dir in $io_dirs
+do
+	rm -rf $io_dir
+	mkdir $io_dir
+done
+
+#Set JAVA_HOME
+export JAVA_HOME=$JAVA_HOME
+
+IPADDR=`bin/getip.sh`
+#echo $IPADDR
+
+#Get node ID
+NODEID=`hostname | cut -d '.' -f 1`
+
+#Set JAVA_OPTS
+export JAVA_OPTS=$NCJAVA_OPTS
+
+cd $HYRACKS_HOME
+HYRACKS_HOME=`pwd`
+
+#Enter the temp dir
+cd $NCTMP_DIR
+
+#Launch hyracks nc
+$HYRACKS_HOME/hyracks-server/target/appassembler/bin/hyracksnc -cc-host $CCHOST -cc-port $CC_CLUSTERPORT -cluster-net-ip-address $IPADDR  -data-ip-address $IPADDR -node-id $NODEID -iodevices "${IO_DIRS}" &> $NCLOGS_DIR/$NODEID.log &
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/stopAllNCs.sh b/hyracks/hyracks-dist/src/main/resources/bin/stopAllNCs.sh
new file mode 100755
index 0000000..12367c1
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/stopAllNCs.sh
@@ -0,0 +1,6 @@
+PREGELIX_PATH=`pwd`
+
+for i in `cat conf/slaves`
+do
+   ssh $i "cd ${PREGELIX_PATH}; bin/stopnc.sh"
+done
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/stopCluster.sh b/hyracks/hyracks-dist/src/main/resources/bin/stopCluster.sh
new file mode 100755
index 0000000..4889934
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/stopCluster.sh
@@ -0,0 +1,3 @@
+bin/stopAllNCs.sh
+sleep 2
+bin/stopcc.sh
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/stopcc.sh b/hyracks/hyracks-dist/src/main/resources/bin/stopcc.sh
new file mode 100755
index 0000000..c2f525a
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/stopcc.sh
@@ -0,0 +1,10 @@
+hostname
+. conf/cluster.properties
+
+#Kill process
+PID=`ps -ef|grep ${USER}|grep java|grep hyracks|awk '{print $2}'`
+echo $PID
+kill -9 $PID
+
+#Clean up CC temp dir
+rm -rf $CCTMP_DIR/*
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/stopnc.sh b/hyracks/hyracks-dist/src/main/resources/bin/stopnc.sh
new file mode 100755
index 0000000..03ce4e7
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/stopnc.sh
@@ -0,0 +1,23 @@
+hostname
+. conf/cluster.properties
+
+#Kill process
+PID=`ps -ef|grep ${USER}|grep java|grep 'Dapp.name=hyracksnc'|awk '{print $2}'`
+
+if [ "$PID" == "" ]; then
+  USERID=`id | sed 's/^uid=//;s/(.*$//'`
+  PID=`ps -ef|grep ${USERID}|grep java|grep 'Dapp.name=hyracksnc'|awk '{print $2}'`
+fi
+
+echo $PID
+kill -9 $PID
+
+#Clean up I/O working dir
+io_dirs=$(echo $IO_DIRS | tr "," "\n")
+for io_dir in $io_dirs
+do
+	rm -rf $io_dir/*
+done
+
+#Clean up NC temp dir
+rm -rf $NCTMP_DIR/*
diff --git a/hyracks/hyracks-dist/src/main/resources/conf/cluster.properties b/hyracks/hyracks-dist/src/main/resources/conf/cluster.properties
new file mode 100755
index 0000000..3b382f7
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/conf/cluster.properties
@@ -0,0 +1,37 @@
+#The CC port for Hyracks clients
+CC_CLIENTPORT=3099
+
+#The CC port for Hyracks cluster management
+CC_CLUSTERPORT=1099
+
+#The directory of hyracks binaries
+HYRACKS_HOME=../../../
+
+#The tmp directory for cc to install jars
+CCTMP_DIR=/tmp/t1
+
+#The tmp directory for nc to install jars
+NCTMP_DIR=/tmp/t2
+
+#The directory to put cc logs
+CCLOGS_DIR=$CCTMP_DIR/logs
+
+#The directory to put nc logs
+NCLOGS_DIR=$NCTMP_DIR/logs
+
+#Comma separated I/O directories for the spilling of external sort
+IO_DIRS="/tmp/t3,/tmp/t4"
+
+#The JAVA_HOME
+JAVA_HOME=$JAVA_HOME
+
+#The frame size of the internal dataflow engine
+FRAME_SIZE=65536
+
+#CC JAVA_OPTS
+CCJAVA_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,address=7001,server=y,suspend=n -Xmx1g -Djava.util.logging.config.file=logging.properties"
+# Yourkit option: -agentpath:/grid/0/dev/vborkar/tools/yjp-10.0.4/bin/linux-x86-64/libyjpagent.so=port=20001"
+
+#NC JAVA_OPTS
+NCJAVA_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,address=7002,server=y,suspend=n -Xmx1g -Djava.util.logging.config.file=logging.properties"
+
diff --git a/hyracks/hyracks-dist/src/main/resources/conf/debugnc.properties b/hyracks/hyracks-dist/src/main/resources/conf/debugnc.properties
new file mode 100755
index 0000000..27afa26
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/conf/debugnc.properties
@@ -0,0 +1,12 @@
+#The tmp directory for nc to install jars
+NCTMP_DIR2=/tmp/t-1
+
+#The directory to put nc logs
+NCLOGS_DIR2=$NCTMP_DIR/logs
+
+#Comma separated I/O directories for the spilling of external sort
+IO_DIRS2="/tmp/t-2,/tmp/t-3"
+
+#NC JAVA_OPTS
+NCJAVA_OPTS2="-Xdebug -Xrunjdwp:transport=dt_socket,address=7003,server=y,suspend=n -Xmx1g -Djava.util.logging.config.file=logging.properties"
+
diff --git a/hyracks/hyracks-dist/src/main/resources/conf/master b/hyracks/hyracks-dist/src/main/resources/conf/master
new file mode 100755
index 0000000..2fbb50c
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/conf/master
@@ -0,0 +1 @@
+localhost
diff --git a/hyracks/hyracks-dist/src/main/resources/conf/slaves b/hyracks/hyracks-dist/src/main/resources/conf/slaves
new file mode 100755
index 0000000..2fbb50c
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/conf/slaves
@@ -0,0 +1 @@
+localhost
diff --git a/hyracks/pom.xml b/hyracks/pom.xml
index 26bd647..1d4e094 100644
--- a/hyracks/pom.xml
+++ b/hyracks/pom.xml
@@ -1,4 +1,4 @@
-
+<?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
@@ -8,7 +8,7 @@
   <name>hyracks</name>
 
   <properties>
-    <jvm.extraargs />
+    <jvm.extraargs/>
   </properties>
 
   <build>
@@ -101,5 +101,6 @@
     <module>hyracks-hadoop-compat</module>
     <!--module>hyracks-yarn</module-->
     <module>hyracks-maven-plugins</module>
+    <module>hyracks-dist</module>
   </modules>
-</project>
+</project>
\ No newline at end of file