loadgenerator: kill periodically to prevent lockup

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

kubernetes-manifests/loadgenerator.yaml

@@ -32,8 +32,8 @@ spec:
           value: "10"
         resources:
           requests:
-            cpu: 100m
-            memory: 64Mi
+            cpu: 300m
+            memory: 256Mi
           limits:
-            cpu: 200m
-            memory: 128Mi
+            cpu: 500m
+            memory: 512Mi

src/loadgenerator/loadgen.sh

@@ -7,4 +7,5 @@ if [[ -z "${FRONTEND_ADDR}" ]]; then
 fi
 
 set -x
-locust --host="http://${FRONTEND_ADDR}" --no-web -c "${USERS:-10}"
+# add "timeout 3600" because locust locks up/freezes for some reason
+timeout 3600 locust --host="http://${FRONTEND_ADDR}" --no-web -c "${USERS:-10}" -r 10