small adjustments to nreq and parrallelism

labs/monitoring/apps/traffic-simulator.sh

@@ -2,7 +2,7 @@
 
 while true;
 do
-    siege -c20 -r1000 http://frontend-monitoring-apps.apps.ocp4.example.com/ > /dev/null &
-    siege -c20 -r20 http://exoplanets-monitor.apps.ocp4.example.com/ > /dev/null &
+    siege -c20 -r800 http://frontend-monitoring-apps.apps.ocp4.example.com/ > /dev/null &
+    siege -c15 -r15 http://exoplanets-monitor.apps.ocp4.example.com/ > /dev/null &
     sleep 10
 done