1. Set AWR
alter system set statistics_level=typical or all can be used. This parameter controls statistics collection.
2. AWR parameters
select * FROM dba_hist_wr_control; keep 8 days by default
To modify, please use exec dbms_workload_repository.modify_snapshot_settings . For the meaning of the parameters, please refer to the following two URLs:
http://czmmiao.iteye.com/blog/2061833
https://www.linuxidc.com/Linux/2015-01/111926.htm
3. Manual management of AWR
Create, delete, create baselines.
https://blog.csdn.net/zq9017197/article/details/12882227
4. Other
Located in sysaux space, query size.
select * from v$sysaux_occupants where occupant_name='SM/AWR';
mmon process