diff --git a/states/clickhouse/templates/settings.xml.j2 b/states/clickhouse/templates/settings.xml.j2
index 9d89e4c..35fa0c5 100644
--- a/states/clickhouse/templates/settings.xml.j2
+++ b/states/clickhouse/templates/settings.xml.j2
@@ -8,7 +8,7 @@
     <count>5</count>
     <size>100M</size>
   </logger>
-  <max_server_memory_usage_to_ram_ratio>0.7</max_server_memory_usage_to_ram_ratio>
+  <max_server_memory_usage_to_ram_ratio>0.3</max_server_memory_usage_to_ram_ratio>
   <tcp_port_secure>9440</tcp_port_secure>
   <https_port>8443</https_port>
   <interserver_http_port remove="true"></interserver_http_port>