tweak defaults for kvm config
diff --git a/tools/jenkins/configurations/kvm.sh b/tools/jenkins/configurations/kvm.sh
index ea30871..3e07113 100755
--- a/tools/jenkins/configurations/kvm.sh
+++ b/tools/jenkins/configurations/kvm.sh
@@ -36,8 +36,8 @@
 GUEST_NETWORK=$EXECUTOR_NUMBER
 GUEST_NAME=$GUEST_NAME
 FLOATING_RANGE=192.168.$EXECUTOR_NUMBER.128/27
-GUEST_CORES=4
-GUEST_RAM=1000000
+GUEST_CORES=1
+GUEST_RAM=12574720
 MYSQL_PASSWORD=chicken
 RABBIT_PASSWORD=chicken
 SERVICE_TOKEN=chicken