diff --git a/deployment/cephadm/ceph-rgw.yaml b/deployment/cephadm/ceph-rgw.yaml
index 35319ea59a..01cfd7bd55 100644
--- a/deployment/cephadm/ceph-rgw.yaml
+++ b/deployment/cephadm/ceph-rgw.yaml
@@ -157,6 +157,11 @@ outputs:
                       rgw_swift_versioning_enabled: 'true'
                       rgw_swift_account_in_url: 'true'
                       rgw_trust_forwarded_https: 'true'
+                      # NOTE(fpantano) swift defaults
+                      # https://github.com/openstack/swift/blob/master/swift/common/constraints.py
+                      rgw_max_attr_name_len: 128
+                      rgw_max_attrs_num_in_req: 90
+                      rgw_max_attr_size: 256
 
       metadata_settings:
         if: