Oracle 自动任务
Posted 特立独行
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-- 查看自动收集任务状态
SELECT CLIENT_NAME,STATUS FROM DBA_AUTOTASK_CLIENT;
SELECT CLIENT_NAME, STATUS
FROM DBA_AUTOTASK_CLIENT
WHERE CLIENT_NAME = \'auto optimizer stats collection\';
-- 关闭信息自动收集auto optimizer stats collection
BEGIN
DBMS_AUTO_TASK_ADMIN.DISABLE(CLIENT_NAME => \'auto optimizer stats collection\',
OPERATION => NULL,
WINDOW_NAME => NULL);
END;
/
-- 关闭SQL优化器SQL Tuning Advisor(STA)
BEGIN
DBMS_AUTO_TASK_ADMIN.DISABLE(CLIENT_NAME => \'sql tuning advisor\',
OPERATION => NULL,
WINDOW_NAME => NULL);
END;
/
-- 关闭自动空间诊断auto space advisor
BEGIN
DBMS_AUTO_TASK_ADMIN.DISABLE(CLIENT_NAME => \'auto space advisor\',
OPERATION => NULL,
WINDOW_NAME => NULL);
END;
/
-- 启动自动收集任务auto optimizer stats collection
BEGIN
DBMS_AUTO_TASK_ADMIN.ENABLE(CLIENT_NAME => \'auto optimizer stats collection\',
OPERATION => NULL,
WINDOW_NAME => NULL);
END;
/
-- 启动SQL优化器SQL Tuning Advisor(STA)
BEGIN
DBMS_AUTO_TASK_ADMIN.ENABLE(CLIENT_NAME => \'sql tuning advisor\',
OPERATION => NULL,
WINDOW_NAME => NULL);
END;
/
-- 启动自动空间诊断auto space advisor
BEGIN
DBMS_AUTO_TASK_ADMIN.ENABLE(CLIENT_NAME => \'auto space advisor\',
OPERATION => NULL,
WINDOW_NAME => NULL);
END;
/
-- 查看自动收集任务所属时间窗口组包含的子时间窗口
EXECUTE DBMS_AUTO_TASK_ADMIN.enABLE;
select * from dba_scheduler_wingroup_members where window_group_name=\'ORA$AT_WGRP_OS\';
-- 查看收集统计信息明细
SET LINES 350;
COL WINDOW_NAME FOR A20;
COL DURATION FOR A15;
COL REPEAT_INTERVAL FOR A70;
COL NEXT_START_DATE FOR A25;
COL LAST_START_DATE FOR A25;
SELECT W.WINDOW_NAME,
W.REPEAT_INTERVAL,
W.DURATION,
W.NEXT_START_DATE,
W.LAST_START_DATE,
W.ENABLED
FROM DBA_AUTOTASK_WINDOW_CLIENTS C, DBA_SCHEDULER_WINDOWS W
WHERE C.WINDOW_NAME = W.WINDOW_NAME
AND C.OPTIMIZER_STATS = \'ENABLED\';
COL JOB_NAME FOR A30
COL ACTUAL_START_DATE FOR A40
COL RUN_DURATION FOR A30
SET LINES 180 PAGES 100
-- 10G
SELECT OWNER, JOB_NAME, STATUS, ACTUAL_START_DATE, RUN_DURATION
FROM DBA_SCHEDULER_JOB_RUN_DETAILS WHERE JOB_NAME = \'GATHER_STATS_JOB\' ORDER BY 4;
-- 11G
SELECT OWNER, JOB_NAME, STATUS, ACTUAL_START_DATE, RUN_DURATION
FROM DBA_SCHEDULER_JOB_RUN_DETAILS WHERE JOB_NAME LIKE \'ORA$AT_OS_OPT_S%\' ORDER BY 4;
-- 关闭周六
BEGIN
DBMS_SCHEDULER.DISABLE(
NAME=>\'"SYS"."SATURDAY_WINDOW"\',
FORCE=>TRUE);
END;
-- 修改早上4点收集
BEGIN
DBMS_SCHEDULER.SET_ATTRIBUTE(
NAME=>\'"SYS"."SATURDAY_WINDOW"\',
ATTRIBUTE=>\'REPEAT_INTERVAL\',
VALUE=>\'freq=daily;byday=SAT;byhour=8;byminute=0; bysecond=0\');
END;
/
-- 修改窗口启动时间
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'MONDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=MON;byhour=22;byminute=0;bysecond=0\');
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'TUESDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=TUE;byhour=22;byminute=0;bysecond=0\');
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'WEDNESDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=WED;byhour=22;byminute=0;bysecond=0\');
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'THURSDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=THU;byhour=22;byminute=0;bysecond=0\');
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'FRIDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=FRI;byhour=22;byminute=0;bysecond=0\');
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'SATURDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=SAT;byhour=22;byminute=0;bysecond=0\');
EXEC DBMS_SCHEDULER.SET_ATTRIBUTE(\'SUNDAY_WINDOW\',\'repeat_interval\',\'freq=daily;byday=SUN;byhour=6;byminute=0;bysecond=0\');
-- 调整持续时间(2h)
BEGIN
DBMS_SCHEDULER.DISABLE(NAME => \'SATURDAY_WINDOW\');
DBMS_SCHEDULER.SET_ATTRIBUTE(NAME => \'SATURDAY_WINDOW\',
ATTRIBUTE => \'DURATION\',
VALUE => NUMTODSINTERVAL(8, \'hour\'));
DBMS_SCHEDULER.ENABLE(NAME => \'SATURDAY_WINDOW\');
END;
/
-- 查看启用任务明细
COL WINDOW_NAME FOR A20;
COL DURATION FOR A15;
COL REPEAT_INTERVAL FOR A70;
SELECT W.WINDOW_NAME,
W.REPEAT_INTERVAL,
W.DURATION,
W.ENABLED
FROM DBA_AUTOTASK_WINDOW_CLIENTS C, DBA_SCHEDULER_WINDOWS W
WHERE C.WINDOW_NAME = W.WINDOW_NAME;
-- 查看执行记录
COL WINDOW_NAME FOR a18;
COL DURATION FOR a15;
COL JOB_DURATION FOR a15;
COL REPEAT_INTERVAL FOR A60;
SELECT CH.WINDOW_NAME,
W.REPEAT_INTERVAL,
W.DURATION JOB_DURATION,
TO_CHAR(CH.WINDOW_START_TIME, \'yyyy-mm-dd hh24:mi:ss\') EXEC_START_TIME,
TO_CHAR(CH.WINDOW_END_TIME, \'yyyy-mm-dd hh24:mi:ss\') EXEC_END_TIME,
CH.JOBS_CREATED,
CH.JOBS_COMPLETED
FROM DBA_AUTOTASK_CLIENT_HISTORY CH, DBA_SCHEDULER_WINDOWS W
WHERE CH.CLIENT_NAME LIKE \'%stats%\'
AND CH.WINDOW_NAME = W.WINDOW_NAME
AND W.ENABLED = \'TRUE\'
AND WINDOW_START_TIME >= SYSDATE - 7
ORDER BY WINDOW_START_TIME DESC;
-- 查看正在执行的自动收集任务
SELECT CLIENT_NAME, JOB_NAME, JOB_SCHEDULER_STATUS
FROM DBA_AUTOTASK_CLIENT_JOB
WHERE CLIENT_NAME = \'auto optimizer stats collection\';
-- 终止正在运行的自动收集任务
exec DBMS_SCHEDULER.DISABLE(NAME => \'FRIDAY_WINDOW\');
exec dbms_scheduler.stop_job(ORA$AT_OS_OPT_SY_161);
exec dbms_scheduler.stop_job(ORA$AT_OS_OPT_SY_161,force);
begin
DBMS_AUTO_TASK_ADMIN.DISABLE(
client_name => \'auto optimizer stats collection\',
operation => NULL,
window_name => NULL
);
end;
/
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