diff --git a/src/tools/ddsperf/sanity.bash b/src/tools/ddsperf/sanity.bash
index 37da61a..220932c 100755
--- a/src/tools/ddsperf/sanity.bash
+++ b/src/tools/ddsperf/sanity.bash
@@ -1,8 +1,8 @@
 exitcode=0
 # RSS/samples/roundtrip numbers are based on experimentation on Travis
-bin/ddsperf -L -D10 -n10 -Qminmatch:2 -Qrss:20% -Qrss:1 -Qsamples:300000 -Qroundtrips:3000 sub ping & ddsperf_pids=$!
-bin/ddsperf -L -D10 -n10 -Qminmatch:2 -Qrss:20% -Qrss:1 pub 100Hz burst 1000 & ddsperf_pids="$ddsperf_pids $!"
-sleep 11
+bin/ddsperf -L -D20 -n10 -Qminmatch:2 -Qrss:4 -Qsamples:300000 -Qroundtrips:3000 sub ping & ddsperf_pids=$!
+bin/ddsperf -L -D20 -n10 -Qminmatch:2 -Qrss:4 pub 100Hz burst 1000 & ddsperf_pids="$ddsperf_pids $!"
+sleep 21
 for pid in $ddsperf_pids ; do
     if kill -0 $pid 2>/dev/null ; then
         echo "killing process $pid"