diff --git a/roles/abrt/faf-local/tasks/setup_db.yml b/roles/abrt/faf-local/tasks/setup_db.yml
index 1650bda45b..a9b953cd26 100644
--- a/roles/abrt/faf-local/tasks/setup_db.yml
+++ b/roles/abrt/faf-local/tasks/setup_db.yml
@@ -10,21 +10,21 @@
   lineinfile:
     path: /var/lib/pgsql/data/postgresql.conf
     regexp: '^shared_buffers ='
-    line: 'shared_buffers = 33536MB'
+    line: 'shared_buffers = 25536MB'
   notify: restart postgresql
 
 - name: set effective_cache_size for PostgreSQL
   lineinfile:
     path: /var/lib/pgsql/data/postgresql.conf
     regexp: '^effective_cache_size ='
-    line: 'effective_cache_size = 100608MB'
+    line: 'effective_cache_size = 50608MB'
   notify: restart postgresql
 
 - name: set work_mem for PostgreSQL
   lineinfile:
     path: /var/lib/pgsql/data/postgresql.conf
     regexp: '^work_mem ='
-    line: 'work_mem = 8MB'
+    line: 'work_mem = 6MB'
   notify: restart postgresql
 
 - name: set maintenance_work_mem for PostgreSQL