First, perform some simple comparative tests to determine the problem:
-
Is it a problem with all objects?
-
Try the operation on a schema object, such as an interface definition.
-
-
Is it much slower when look ahead is enabled?
-
Try the operation on a schema object with and without Look Ahead enabled.
-
-
Is it much slower for different users?
-
Try the operation with different user profiles.
-