11grac中 sys用户的一条语句一直在执行 DECLARE reason_id dbms_server_alert。。

maomao962464

DECLARE
  reason_id  dbms_server_alert.REASON_ID_T := NULL;
  db_name    recent_resource_incarnations$.db_unique_name%TYPE := :db_unique_name;
  inst_name  recent_resource_incarnations$.instance_name%TYPE := :instance_name;
  event_id   NUMBER := :event_id;
  event_time TIMESTAMP
    WITH TIME ZONE := TO_TIMESTAMP(:event_time,
    :timestamp_fmt,
     'NLS_CALENDAR=''Gregorian''');
BEGIN
  CASE :reason_name
    WHEN 'DATABASE_UP' THEN
      reason_id := dbms_server_alert.RSN_FAN_DATABASE_UP;
    WHEN 'DATABASE_DOWN' THEN
      reason_id := dbms_server_alert.RSN_FAN_DATABASE_DOWN;
    WHEN 'INSTANCE_DOWN' THEN
      reason_id := dbms_server_alert.RSN_FAN_INSTANCE_DOWN;
    WHEN 'SERVICE_UP' THEN
      reason_id := dbms_server_alert.RSN_FAN_SERVICE_UP;
    WHEN 'SERVICE_DOWN' THEN
      reason_id := dbms_server_alert
请问这个语句是什么？？？   是告警阈值吗？？？？   一直在执行    可不可以杀掉这个进程？？？？