diff --git a/pregelix-dataflow/pom.xml b/pregelix-dataflow/pom.xml
index 2828451..1df75ae 100644
--- a/pregelix-dataflow/pom.xml
+++ b/pregelix-dataflow/pom.xml
@@ -7,8 +7,7 @@
 	WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ! See the 
 	License for the specific language governing permissions and ! limitations 
 	under the License. ! -->
-<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/xsd/maven-4.0.0.xsd">
+<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/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>pregelix-dataflow</artifactId>
 	<packaging>jar</packaging>
@@ -17,7 +16,7 @@
 	<parent>
 		<groupId>edu.uci.ics.hyracks</groupId>
 		<artifactId>pregelix</artifactId>
-		<version>0.2.7-SNAPSHOT</version>
+		<version>0.2.10-SNAPSHOT</version>
 	</parent>
 
 
@@ -84,75 +83,75 @@
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>pregelix-api</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>pregelix-dataflow-std-base</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-dataflow-common</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-data-std</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-storage-am-common</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-storage-am-btree</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-storage-am-lsm-common</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-control-cc</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-control-nc</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-ipc</artifactId>
-			<version>0.2.7-SNAPSHOT</version>
+			<version>0.2.10-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
diff --git a/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/context/RuntimeContext.java b/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/context/RuntimeContext.java
index 24a0a9e..e25a46a 100644
--- a/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/context/RuntimeContext.java
+++ b/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/context/RuntimeContext.java
@@ -79,7 +79,7 @@
         bufferCache = new BufferCache(appCtx.getRootContext().getIOManager(), allocator, prs,
                 new PreDelayPageCleanerPolicy(Long.MAX_VALUE), fileMapManager, pageSize, numPages, 1000000,
                 threadFactory);
-        int numPagesInMemComponents = numPages / 4;
+        int numPagesInMemComponents = numPages / 8;
         vBufferCache = new MultitenantVirtualBufferCache(new VirtualBufferCache(new HeapBufferAllocator(), pageSize,
                 numPagesInMemComponents));
         ioManager = (IOManager) appCtx.getRootContext().getIOManager();
diff --git a/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/util/IterationUtils.java b/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/util/IterationUtils.java
index 1d7c979..75f8ed8 100644
--- a/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/util/IterationUtils.java
+++ b/pregelix-dataflow/src/main/java/edu/uci/ics/pregelix/dataflow/util/IterationUtils.java
@@ -31,6 +31,7 @@
 import edu.uci.ics.hyracks.api.job.JobId;
 import edu.uci.ics.pregelix.api.job.PregelixJob;
 import edu.uci.ics.pregelix.api.util.BspUtils;
+import edu.uci.ics.pregelix.api.util.JobStateUtils;
 import edu.uci.ics.pregelix.dataflow.context.RuntimeContext;
 import edu.uci.ics.pregelix.dataflow.context.StateKey;
 
@@ -91,22 +92,6 @@
         }
     }
 
-    public static void writeForceTerminationState(Configuration conf, String jobId) throws HyracksDataException {
-        try {
-            FileSystem dfs = FileSystem.get(conf);
-            String pathStr = IterationUtils.TMP_DIR + jobId + "fterm";
-            Path path = new Path(pathStr);
-            if (!dfs.exists(path)) {
-                FSDataOutputStream output = dfs.create(path, true);
-                output.writeBoolean(true);
-                output.flush();
-                output.close();
-            }
-        } catch (IOException e) {
-            throw new HyracksDataException(e);
-        }
-    }
-
     public static void writeGlobalAggregateValue(Configuration conf, String jobId, Writable agg)
             throws HyracksDataException {
         try {
@@ -136,19 +121,12 @@
         }
     }
 
+    public static void writeForceTerminationState(Configuration conf, String jobId) throws HyracksDataException {
+        JobStateUtils.writeForceTerminationState(conf, jobId);
+    }
+
     public static boolean readForceTerminationState(Configuration conf, String jobId) throws HyracksDataException {
-        try {
-            FileSystem dfs = FileSystem.get(conf);
-            String pathStr = IterationUtils.TMP_DIR + jobId + "fterm";
-            Path path = new Path(pathStr);
-            if (dfs.exists(path)) {
-                return true;
-            } else {
-                return false;
-            }
-        } catch (IOException e) {
-            throw new HyracksDataException(e);
-        }
+        return JobStateUtils.readForceTerminationState(conf, jobId);
     }
 
     public static Writable readGlobalAggregateValue(Configuration conf, String jobId) throws HyracksDataException {