Tag Archives: scheduler

客户数据库出现SCHEDULER后台作业频繁调用XDB包，导致系统性能受到影响，数据库版本为10.2.0.3。 导致性能问题的SQL为： BEGIN BEGIN IF (xdb.DBMS_XDBZ0.is_hierarchy_enabled_internal(sys.dictionary_obj_owner, sys.dictionary_obj_name, sys.dictionary_obj_owner)) THEN xdb.XDB_PITRIG_PKG.pitrig_truncate(sys.dictionary_obj_owner, sys.dictionary_obj_name); END IF; EXCEPTION WHEN OTHERS THEN NULL; END; BEGIN IF (xdb.DBMS_XDBZ0.is_hierarchy_enabled_internal(sys.dictionary_obj_owner, sys.dictionary_obj_name, sys.dictionary_obj_owner, xdb.DBMS_XDBZ.IS_ENABLED_RESMETADATA)) THEN xdb.XDB_PITRIG_PKG.pitrig_dropmetadata(sys.dictionary_obj_owner, sys.dictionary_obj_name); END IF; EXCEPTION WHEN OTHERS THEN NULL; END; END;BEGIN BEGIN IF (xdb.DBMS_XDBZ0.is_hierarchy_enabled_internal(sys.dictionary_obj_owner, … Continue reading →