diff --git a/wally/suits/mysql/run.sh b/wally/suits/mysql/run.sh
index 284bc1e..8982fa3 100755
--- a/wally/suits/mysql/run.sh
+++ b/wally/suits/mysql/run.sh
@@ -2,10 +2,27 @@
 set -e
 set -x
 
+while [[ $# > 1 ]]
+do
+key="$1"
+
+case $key in
+    warehouses)
+    WAREHOUSES="$2"
+    shift
+    ;;
+    *)
+    echo "Unknown option $key"
+    exit 1
+    ;;
+esac
+shift
+done
+
 DATABASE_PASSWORD=wally
 DATBASE_USER=root
 DB_NAME=tpcc
 
 cd ~/tpcc-mysql
-./tpcc_start -h127.0.0.1 "-d$DB_NAME" "-u$DATBASE_USER" "-p$DATABASE_PASSWORD" -w20 -c16 -r10 -l1200 > ~/tpcc-output.log
-echo "TpmC:" `cat ~/tpcc-output.log | grep  TpmC | grep -o '[0-9,.]\+'`
\ No newline at end of file
+./tpcc_start -h127.0.0.1 "-d$DB_NAME" "-u$DATBASE_USER" "-p$DATABASE_PASSWORD" -w"WAREHOUSES" -c16 -r10 -l1200 > ~/tpcc-output.log
+echo "TpmC:" `cat ~/tpcc-output.log | grep  TpmC | grep -o '[0-9,.]\+'`