diff --git a/2.Common_services/3.MySQL/override.conf b/2.Common_services/3.MySQL/override.conf
index 23c58a799c96969389c3866ed3b046455c925061..41ac9988776878ccb04ad4c66f458ce9d431522c 100644
--- a/2.Common_services/3.MySQL/override.conf
+++ b/2.Common_services/3.MySQL/override.conf
@@ -1,3 +1,4 @@
 [Service]
 LimitNOFILE=500000
 LimitMEMLOCK=infinity
+Nice=-1