add testcase
diff --git a/genomix/genomix-pregelix/src/test/resources/cluster/cluster.properties b/genomix/genomix-pregelix/src/test/resources/cluster/cluster.properties
index d0722ce..94eb599 100644
--- a/genomix/genomix-pregelix/src/test/resources/cluster/cluster.properties
+++ b/genomix/genomix-pregelix/src/test/resources/cluster/cluster.properties
@@ -20,13 +20,13 @@
NCLOGS_DIR=$NCTMP_DIR/logs
#Comma separated I/O directories for the spilling of external sort
-IO_DIRS="/tmp/t3"
+IO_DIRS="/tmp/t3,/tmp/t4"
#The JAVA_HOME
JAVA_HOME=$JAVA_HOME
#The frame size of the internal dataflow engine
-FRAME_SIZE=65536
+FRAME_SIZE=131072
#CC JAVA_OPTS
CCJAVA_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,address=7001,server=y,suspend=n -Xmx3g -Djava.util.logging.config.file=logging.properties"