execute dbms_scheduler.disable('AUTO_SPACE_ADVISOR_JOB');
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这个Bug在10.2.0.2之后的版本中被修正。
既然Oracle的缺省定时任务可能会带来如此多的问题，我们就很有必要去关注一下系统有哪些缺省的任务，执行情况如何。以下是一个10.2.0.5版本的数据库中一些自动任务的调度设置情况：
SQL> select job_name,state,enabled,last_start_date from dba_scheduler_jobs;
JOB_NAME STATE ENABL LAST_START_DATE
------------------------------
--------------- -----
AUTO_SPACE_ADVISOR_JOB SCHEDULED TRUE 07-AUG-10 06.00.03.792886 AM +08:00
GATHER_STATS_JOB SCHEDULED TRUE 07-AUG-10 06.00.03.783957 AM +08:00
FGR$AUTOPURGE_JOB DISABLED FALSE
PURGE_LOG SCHEDULED TRUE 07-AUG-10 03.00.00.353023 AM PRC
MGMT_STATS_CONFIG_JOB SCHEDULED TRUE 01-AUG-10 01.01.01.822354 AM +08:00
MGMT_CONFIG_JOB SCHEDULED TRUE 07-AUG-10 06.00.03.767320 AM +08:00
SQL> SELECT log_id, job_name, status,TO_CHAR(ACTUAL_START_DATE,'DD-MON-YYYY HH24:MI') start_date,TO_CHAR (log_date, 'DD-MON-YYYY HH24:MI') log_dateFROM dba_scheduler_job_run_detailsWHERE job_name = 'GATHER_STATS_JOB' order by 4;
LOG_ID JOB_NAME STATUS START_DATE LOG_DATE
---------- -------------------- -------------------- -------------------- --------------------
1480 GATHER_STATS_JOB SUCCEEDED 02-AUG-2010 22:00 03-AUG-2010 00:58
1561 GATHER_STATS_JOB STOPPED 03-AUG-2010 22:00 04-AUG-2010 06:00
1640 GATHER_STATS_JOB SUCCEEDED 04-AUG-2010 22:00 05-AUG-2010 05:36
1680 GATHER_STATS_JOB SUCCEEDED 05-AUG-2010 22:00 05-AUG-2010 22:25
1741 GATHER_STATS_JOB SUCCEEDED 06-AUG-2010 22:00 06-AUG-2010 22:27
1800 GATHER_STATS_JOB SUCCEEDED 07-AUG-2010 06:00 07-AUG-2010 06:02
384 GATHER_STATS_JOB STOPPED 07-JUL-2010 22:00 08-JUL-2010 06:00
463 GATHER_STATS_JOB SUCCEEDED 08-JUL-2010 22:00 09-JUL-2010 05:06
503 GATHER_STATS_JOB SUCCEEDED 09-JUL-2010 22:00 09-JUL-2010 22:05
544 GATHER_STATS_JOB SUCCEEDED 10-JUL-2010 06:00 10-JUL-2010 06:02
589 GATHER_STATS_JOB SUCCEEDED 12-JUL-2010 22:00 12-JUL-2010 22:04
597 GATHER_STATS_JOB SUCCEEDED 13-JUL-2010 22:00 13-JUL-2010 22:03
SQL> SELECT LOG_DATE,RUN_DURATION,JOB_NAME,STATUS,ERROR#FROM DBA_SCHEDULER_JOB_RUN_DETAILS WHERE JOB_NAME='GATHER_STATS_JOB'order by 1 desc;
LOG_DATE RUN_DURATION JOB_NAME STATUS ERROR#
----------------------------------- --------------- ------------------ ----------- ----------
26-MAY-10 10.00.09.290291 PM +08:00 +000 00:00:05 GATHER_STATS_JOB FAILED 22303
25-MAY-10 10.00.08.973684 PM +08:00 +000 00:00:06 GATHER_STATS_JOB FAILED 4031
24-MAY-10 10.00.22.977244 PM +08:00 +000 00:00:18 GATHER_STATS_JOB FAILED 4031
22-MAY-10 06.00.16.950362 AM +08:00 +000 00:00:13 GATHER_STATS_JOB FAILED 4031
21-MAY-10 10.00.49.653788 PM +08:00 +000 00:00:47 GATHER_STATS_JOB FAILED 4031
20-MAY-10 10.00.14.028432 PM +08:00 +000 00:00:11 GATHER_STATS_JOB FAILED 4031
19-MAY-10 10.00.20.828607 PM +08:00 +000 00:00:18 GATHER_STATS_JOB FAILED 4031
19-MAY-10 05.54.27.871444 AM +08:00 +000 07:54:25 GATHER_STATS_JOB SUCCEEDED 0
18-MAY-10 05.36.01.494920 AM +08:00 +000 07:35:59 GATHER_STATS_JOB SUCCEEDED 0
15-MAY-10 07.06.05.793257 AM +08:00 +000 01:06:01 GATHER_STATS_JOB SUCCEEDED 0
15-MAY-10 03.56.50.898303 AM +08:00 +000 05:56:48 GATHER_STATS_JOB SUCCEEDED 0
SQL> SELECT log_id, job_name, status,TO_CHAR(ACTUAL_START_DATE,'DD-MON-YYYY HH24:MI') start_date,TO_CHAR (log_date, 'DD-MON-YYYY HH24:MI') log_dateFROM dba_scheduler_job_run_detailsWHERE job_name = 'AUTO_SPACE_ADVISOR_JOB' order by 4;
LOG_ID JOB_NAME STATUS START_DATE LOG_DATE
----------
------------------------- --------------- --------------------
1460 AUTO_SPACE_ADVISOR_JOB SUCCEEDED 02-AUG-2010 22:00 02-AUG-2010 22:16
1520 AUTO_SPACE_ADVISOR_JOB SUCCEEDED 03-AUG-2010 22:00 03-AUG-2010 23:18
1600 AUTO_SPACE_ADVISOR_JOB SUCCEEDED 04-AUG-2010 22:00 04-AUG-2010 22:19
1681 AUTO_SPACE_ADVISOR_JOB SUCCEEDED 05-AUG-2010 22:00 05-AUG-2010 22:28
1740 AUTO_SPACE_ADVISOR_JOB SUCCEEDED 06-AUG-2010 22:00 06-AUG-2010 22:17