diff --git a/group_vars/log.yml b/group_vars/log.yml
index 00882e3..f7c44ba 100644
--- a/group_vars/log.yml
+++ b/group_vars/log.yml
@@ -1,4 +1,5 @@
 ---
+mem_size: 512
 datadisks:
   - {size: 50, type: nvme}