AWR oracle

SELECT dbid, baseline_name, baseline_type, moving_window_size from dba_hist_baseline;       DBID BASELINE_NAME    BASELINE_TYPE MOVING_WINDOW_SIZE---------- ---------------------------------------------------------------- ------------- ------------------ 536511065 SYSTEM_MOVING_WINDOW     MOVING_WINDOW   8begindbms_workload_repository.modify_snapshot_settings(interval=>60,retention=>90*24*60);end;col RETENTION for a20select * from dba_hist_wr_control;      DBID SNAP_INTERVAL       RETENTION    TOPNSQL---------- --------------------------------------------------------------------------- -------------------- ---------- 536511065 +00000 01:00:00.0       +00090 00:00:00.0    DEFAULT select snap_id,       to_char(begin_interval_time, 'YYYY-MM-DD'),       to_char(end_interval_time, 'YYYY-MM-DD')  from dba_hist_snapshot order by snap_id;

手动生成AWR：

exec dbms_workload_repository.create_snapshot();

AWR数据存在sysaux表空间中SQL> select OCCUPANT_NAME,OCCUPANT_DESC,SCHEMA_NAME,SPACE_USAGE_KBYTES/1024 "MB" from V$SYSAUX_OCCUPANTS WHERE OCCUPANT_NAME LIKE '%AWR%';OCCUPANT_NAME     OCCUPANT_DESC  SCHEMA_NAME  MB-------------------- ------------------------------------------------------------ --------------- ----------SM/AWR     Server Manageability - Automatic Workload Repository  SYS    216.81

SQL> select TABLE_NAME,PARTITION_NAME,TABLESPACE_NAME from dba_tab_partitions where table_name like 'WR%' and rownum <5;TABLE_NAME       PARTITION_NAME      TABLESPACE_NAME------------------------------ ------------------------------ ------------------------------WRH$_ACTIVE_SESSION_HISTORY    WRH$_ACTIVE_536511065_0      SYSAUXWRH$_ACTIVE_SESSION_HISTORY    WRH$_ACTIVE_SES_MXDB_MXSN      SYSAUXWRH$_DB_CACHE_ADVICE       WRH$_DB_CACHE_AD_MXDB_MXSN     SYSAUXWRH$_DB_CACHE_ADVICE       WRH$_DB_CAC_536511065_0      SYSAUX

awrddrpt.sql可以得到不同时间段的对比数据：

spawrrac.sql可以得到RAC 不同节点的数据对比分析

awrinfo.sql awr使用信息报告