操作系统是什么？

是否操作系统的相关参数限制了

47500根内存好像没啥关系吧。。。
47500, 00000, "Database Vault cannot be configured."                                                                                                                                                                                                                        
// *Cause: The Database Vault configuration failed because some Database Vault                                                                                                                                                                                              
//         objects were missing.                                                                                                                                                                                                                                            
// *Action: Run the dvremov.sql script to remove Database Vault and then                                                                                                                                                                                                    
//          reinstall Database Vault.