Oracle 統計資訊視窗的相關知識
阿新 • • 發佈：2018-11-28
生產環境有一套庫從10月份開始，統計資訊收集的動作就變的不正常，後來通過手動drop視窗，重新建立統計資訊視窗解決。
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查詢視窗狀態
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select * from dba_autotask_window_clients; WINDOW_NAME WINDOW_NEXT_TIME WINDO AUTOTASK OPTIMIZE SEGMENT_ SQL_TUNE HEALTH_M ------------------------------ ---------------------------------------- ----- -------- -------- -------- -------- -------- MONDAY_WINDOW 03-DEC-18 10.00.00.000000 PM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED TUESDAY_WINDOW 27-NOV-18 10.00.00.000000 PM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED WEDNESDAY_WINDOW 28-NOV-18 10.00.00.000000 PM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED THURSDAY_WINDOW 29-NOV-18 10.00.00.000000 PM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED FRIDAY_WINDOW 30-NOV-18 10.00.00.000000 PM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED SATURDAY_WINDOW 01-DEC-18 06.00.00.000000 AM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED SUNDAY_WINDOW 02-DEC-18 06.00.00.000000 AM +08:00 FALSE ENABLED ENABLED DISABLED DISABLED DISABLED
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查詢視窗的持續時間、重複頻次
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select window_name,repeat_interval,duration,enabled from dba_scheduler_windows; WINDOW_NAME REPEAT_INTERVAL DURATION ENABL ------------------------------ ---------------------------------------- ---------------------------------------- ----- WEEKNIGHT_WINDOW freq=daily;byday=MON,TUE,WED,THU,FRI;byh +000 08:00:00 FALSE our=22;byminute=0; bysecond=0 WEEKEND_WINDOW freq=daily;byday=SAT;byhour=0;byminute=0 +002 00:00:00 FALSE ;bysecond=0 MONDAY_WINDOW freq=daily;byday=MON;byhour=22;byminute= +000 04:00:00 TRUE 0; bysecond=0 TUESDAY_WINDOW freq=daily;byday=TUE;byhour=22;byminute= +000 04:00:00 TRUE 0; bysecond=0 WINDOW_NAME REPEAT_INTERVAL DURATION ENABL ------------------------------ ---------------------------------------- ---------------------------------------- ----- WEDNESDAY_WINDOW freq=daily;byday=WED;byhour=22;byminute= +000 04:00:00 TRUE 0; bysecond=0 THURSDAY_WINDOW freq=daily;byday=THU;byhour=22;byminute= +000 04:00:00 TRUE 0; bysecond=0 FRIDAY_WINDOW freq=daily;byday=FRI;byhour=22;byminute= +000 04:00:00 TRUE 0; bysecond=0 SATURDAY_WINDOW freq=daily;byday=SAT;byhour=6;byminute=0 +000 20:00:00 TRUE WINDOW_NAME REPEAT_INTERVAL DURATION ENABL ------------------------------ ---------------------------------------- ---------------------------------------- ----- ; bysecond=0 SUNDAY_WINDOW freq=daily;byday=SUN;byhour=6;byminute=0 +000 20:00:00 TRUE ; bysecond=0
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查詢視窗的持續時間
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DBA_AUTOTASK_WINDOW_HISTORY CLIENT_NAME WINDOW_NAME WINDOW_START_TIME WINDOW_DURATION JOBS_CREATED JOBS_STARTED JOBS_COMPLETED WINDOW_END_TIME -------------------- ------------------------------ ---------------------------------------- ---------------------------------------- ------------ ------------ -------------- --------------------------------------------------------------------------- auto optimizer stats MONDAY_WINDOW 26-NOV-18 10.00.00.531345 PM +08:00 +000000000 13:27:27.402436 1 1 0 27-NOV-18 11.27.27.933781 AM +08:00 collection
******************** 查詢視窗的持續時間 ********************
