fixes
diff --git a/wally/suits/io/vm_count_ec2.cfg b/wally/suits/io/vm_count_ec2.cfg
index 19c9e50..c132039 100644
--- a/wally/suits/io/vm_count_ec2.cfg
+++ b/wally/suits/io/vm_count_ec2.cfg
@@ -5,12 +5,13 @@
 wait_for_previous
 filename={FILENAME}
 iodepth=1
-size=10Gb
+size=10G
 time_based
 runtime=30
 group_reporting
 rate={BW_LIMIT}
 rate_iops={IOPS_LIMIT}
+NUMJOBS={% 1, 2, 5, 10, 15, 20, 25, 30, 35, 40 %}
 
 # ---------------------------------------------------------------------
 # check different thread count. (latency, bw) = func(th_count)
@@ -19,11 +20,11 @@
 blocksize={% 4k, 1m %}
 rw={% randwrite, randread %}
 direct=1
-numjobs={% 1, 2, 5, 10, 15, 20, 25, 30, 35, 40 %}
+numjobs={NUMJOBS}
 
 [vm_count_{TEST_SUMM} * {NUM_ROUNDS}]
 blocksize={% 4k, 1m %}
 rw=randwrite
 direct=0
 sync=1
-numjobs={% 1, 2, 5, 10, 15, 20, 25, 30, 35, 40 %}
+numjobs={NUMJOBS}