Fix resources usage for cicd lab

Change-Id: Ib1454663948c7b41eff5f3b25a5c00dd451aefef
Reviewed-on: https://review.gerrithub.io/369643
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/README.md b/README.md
index 7d163ce..7ebd3e2 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,7 @@
 
 WARNING! Too high value will hang your server, be carefull and try lower values first.
 ```
-echo 30000 | sudo  tee  /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
+echo 28000 | sudo  tee  /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
 apt-get install -y hugepages
 hugeadm --set-recommended-shmmax
 cat /proc/meminfo | grep HugePages