Index: trunk/Nebulous-Server/Changes
===================================================================
--- trunk/Nebulous-Server/Changes	(revision 23697)
+++ trunk/Nebulous-Server/Changes	(revision 23698)
@@ -7,4 +7,5 @@
       component of keys
     - add email logging of events to nebdiskd
+    - attempt to optimize _is_valid_object_key() by eliminating an unused join
       
 0.16
Index: trunk/Nebulous-Server/lib/Nebulous/Server.pm
===================================================================
--- trunk/Nebulous-Server/lib/Nebulous/Server.pm	(revision 23697)
+++ trunk/Nebulous-Server/lib/Nebulous/Server.pm	(revision 23698)
@@ -1431,5 +1431,5 @@
     my $ext_id;
     eval {
-        my $query = $db->prepare_cached( $sql->get_object ); 
+        my $query = $db->prepare_cached( $sql->check_object_name ); 
         $query->execute($key->path);
         ($ext_id) = $query->fetchrow_array;
Index: trunk/Nebulous-Server/lib/Nebulous/Server/SQL.pm
===================================================================
--- trunk/Nebulous-Server/lib/Nebulous/Server/SQL.pm	(revision 23697)
+++ trunk/Nebulous-Server/lib/Nebulous/Server/SQL.pm	(revision 23698)
@@ -59,4 +59,11 @@
         JOIN storage_object_attr
         USING (so_id)
+        WHERE ext_id = ?
+    },
+    check_object_name => qq{
+        SELECT
+            so_id,
+            ext_id
+        FROM storage_object
         WHERE ext_id = ?
     },