diff --git a/metadata/service/master/cluster.yml b/metadata/service/master/cluster.yml
index 7705f6b..05c4c57 100644
--- a/metadata/service/master/cluster.yml
+++ b/metadata/service/master/cluster.yml
@@ -8,6 +8,8 @@
     galera_server_bind_address: ${_param:cluster_local_address}
     galera_server_bind_port: 3306
     galera_server_admin_user: root
+    galera_max_connections: 20000
+    galera_innodb_buffer_pool_size: 3138M
   galera:
     master:
       enabled: true
@@ -26,6 +28,8 @@
         port: 4567
       - host: ${_param:cluster_node03_address}
         port: 4567
+      max_connections: ${_param:galera_max_connections}
+      innodb_buffer_pool_size: ${_param:galera_innodb_buffer_pool_size}
   mysql:
     server:
       users:
diff --git a/metadata/service/master/container.yml b/metadata/service/master/container.yml
index e6ac462..c80beef 100644
--- a/metadata/service/master/container.yml
+++ b/metadata/service/master/container.yml
@@ -3,6 +3,8 @@
     galera_server_cluster_name: galeracluster
     galera_server_bind_port: 3306
     galera_server_admin_user: root
+    galera_max_connections: 20000
+    galera_innodb_buffer_pool_size: 3138M
   kubernetes:
     control:
       configmap:
@@ -28,6 +30,8 @@
                   port: 4567
                 - host: ${_param:mysql_service_host03}
                   port: 4567
+                max_connections: ${_param:galera_max_connections}
+                innodb_buffer_pool_size: ${_param:galera_innodb_buffer_pool_size}
             mysql:
               server:
                 users: