Update dockerfile to run on Ubuntu 18.04
diff --git a/wally/suits/io/rrd.cfg b/wally/suits/io/rrd.cfg
index b013796..98707c6 100644
--- a/wally/suits/io/rrd.cfg
+++ b/wally/suits/io/rrd.cfg
@@ -1,12 +1,27 @@
[global]
include defaults_qd.cfg
-ramp_time=0
-runtime={RUNTIME}
+ramp_time=15
+runtime=180
-[test_{TEST_SUMM}]
-blocksize=60k
-rw=randread
-iodepth=1
+[test_swd_4]
+blocksize=16m
+rw=write
+iodepth=4
+
+[test_swd_8]
+blocksize=16m
+rw=write
+iodepth=8
+
+[test_srd_4]
+blocksize=16m
+rw=read
+iodepth=4
+
+[test_srd_8]
+blocksize=16m
+rw=read
+iodepth=8
#[test_{TEST_SUMM}]
#iodepth=16