diff --git a/playbooks/roles/gerrit/templates/gerrit.config.j2 b/playbooks/roles/gerrit/templates/gerrit.config.j2
index e3a53216bd..759a7c68a7 100644
--- a/playbooks/roles/gerrit/templates/gerrit.config.j2
+++ b/playbooks/roles/gerrit/templates/gerrit.config.j2
@@ -82,6 +82,18 @@
 	memoryLimit = 4096
 [cache "web_sessions"]
 	maxAge = 7days
+[cache "git_modified_files"]
+	memoryLimit = 128m
+	diskLimit = 512m
+[cache "modified_files"]
+	memoryLimit = 128m
+	diskLimit = 512m
+[cache "git_file_diff"]
+	memoryLimit = 256m
+	diskLimit = 2g
+[cache "gerrit_file_diff"]
+	memoryLimit = 256m
+	diskLimit = 3g
 # Set to @openstack.org because @opendev.org lacks a valid MX
 [user]
 	email = review@openstack.org