本文主要是介绍Oracle AWR报告提取方法，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

本文旨在用来指导项目人员自行提取Oracle数据库的AWR报告.

1.当前连接实例的AWR报告提取：@?/rdbms/admin/awrrpt

SQL> @?/rdbms/admin/awrrpt

//注意输入的@?/rdbms/admin/awrrpt 中间没有任何空格，需要在数据库服务器上Oracle用户登陆，sqlplus / as sysdba 进入SQL> 下执行.
Current Instance
~~~~~~~~~~~~~~~~

   DB Id    DB Name      Inst Num Instance
----------- ------------ -------- ------------
  857123342 JY                  1 jy1


Specify the Report Type
~~~~~~~~~~~~~~~~~~~~~~~
Would you like an HTML report, or a plain text report?
Enter 'html' for an HTML report, or 'text' for plain text
Defaults to 'html'
Enter value for report_type: 
//注意这里直接回车即可，默认就是html格式的
Type Specified:  html


Instances in this Workload Repository schema
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

   DB Id     Inst Num DB Name      Instance     Host
------------ -------- ------------ ------------ ------------
  857123342         2 JY           jy2          rac2-server
* 857123342         1 JY           jy1          rac1-server

Using  857123342 for database Id
Using          1 for instance number


Specify the number of days of snapshots to choose from
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Entering the number of days (n) will result in the most recent
(n) days of snapshots being listed.  Pressing <return> without
specifying a number lists all completed snapshots.


Enter value for num_days: 1
//注意这里根据实际需要选择几天的AWR报告，一般取最近的AWR报告选择1天即可

Listing the last day's Completed Snapshots

                                                        Snap
Instance     DB Name        Snap Id    Snap Started    Level
------------ ------------ --------- ------------------ -----
jy1          JY                  92 16 Oct 2014 07:32      1
                                 93 16 Oct 2014 09:00      1
                                 94 16 Oct 2014 10:00      1
                                 95 16 Oct 2014 11:00      1



Specify the Begin and End Snapshot Ids
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Enter value for begin_snap: 94
Begin Snapshot Id specified: 94

Enter value for end_snap: 95
End   Snapshot Id specified: 95

//注意这里输入的begin_snap 和 end_snap都是根据上面具体时间点对应的实际Snap Id那一列决定的. 比如我要选 09:00 - 10:00的话，那起始就应该是93和94. 

Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
The default report file name is awrrpt_1_94_95.html.  To use this name,
press <return> to continue, otherwise enter an alternative.

Enter value for report_name: 
//这里默认回车即可，名字会有一个默认值的。

Using the report name awrrpt_1_94_95.html

此处省略大量屏幕输出..

End of Report
</BODY></HTML>
Report written to awrrpt_1_94_95.html
SQL> !pwd
/home/oracle 

注：生成的报告文件发送给我即可,例如此处就是指awrrpt_1_94_95.html文件，代表的是2014年10月16日10点~11点这一小时的数据库实例jy1的工作负载报告。

2.RAC的其他实例AWR报告提取：@?/rdbms/admin/awrrpti

SQL> @?/rdbms/admin/awrrpti

Specify the Report Type
~~~~~~~~~~~~~~~~~~~~~~~
Would you like an HTML report, or a plain text report?
Enter 'html' for an HTML report, or 'text' for plain text
Defaults to 'html'
Enter value for report_type: 

Type Specified:  html


Instances in this Workload Repository schema
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

   DB Id     Inst Num DB Name      Instance     Host
------------ -------- ------------ ------------ ------------
  857123342         2 JY           jy2          rac2-server
* 857123342         1 JY           jy1          rac1-server

Enter value for dbid: 857123342
Using 857123342 for database Id
Enter value for inst_num: 2
Using 2 for instance number


Specify the number of days of snapshots to choose from
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Entering the number of days (n) will result in the most recent
(n) days of snapshots being listed.  Pressing <return> without
specifying a number lists all completed snapshots.


Enter value for num_days: 

Listing all Completed Snapshots

                                                        Snap
Instance     DB Name        Snap Id    Snap Started    Level
------------ ------------ --------- ------------------ -----
jy2          JY                  91 14 Oct 2014 10:10      1

                                 92 16 Oct 2014 07:32      1
                                 93 16 Oct 2014 09:00      1
                                 94 16 Oct 2014 10:00      1
                                 95 16 Oct 2014 11:00      1

 

Specify the Begin and End Snapshot Ids
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Enter value for begin_snap: 94
Begin Snapshot Id specified: 94

Enter value for end_snap: 95  
End   Snapshot Id specified: 95

 

Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
The default report file name is awrrpt_2_94_95.html.  To use this name,
press <return> to continue, otherwise enter an alternative.

Enter value for report_name: 

Using the report name awrrpt_2_94_95.html

此处省略大量屏幕输出..

End of Report
</BODY></HTML>
Report written to awrrpt_2_94_95.html

3.手工生成一个快照：

exec dbms_workload_repository.create_snapshot();

SQL> exec dbms_workload_repository.create_snapshot();

PL/SQL procedure successfully completed.

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