Index: branches/release-29/lib/MT/App/CMS.pm
===================================================================
--- branches/release-29/lib/MT/App/CMS.pm (revision 1349)
+++ branches/release-29/lib/MT/App/CMS.pm (revision 1356)
@@ -12431,4 +12431,5 @@
                 }
             ),
+            limit => 51,
         }
     );
@@ -12610,5 +12611,6 @@
                 'join' => MT::Permission->join_on(
                     'author_id', { blog_id => $blog_id }
-                )
+                ),
+                limit => 51,
             }
         );