AWR报告的使用(一)

2014-11-24 13:04:07 · 作者: · 浏览: 2

[oracle@localhost admin]$ pwd
/home/oracle/oracle/product/10.2.0/db_1/rdbms/admin
[oracle@localhost admin]$ sqlplus sys/lubinsu as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Sun May 19 15:12:52 2013

Copyright (c) 1982, 2005, Oracle. All rights reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

SQL> @/home/oracle/oracle/product/10.2.0/db_1/rdbms/admin/awrrpt.sql

Current Instance
~~~~~~~~~~~~~~~~

DB Id DB Name Inst Num Instance
----------- ------------ -------- ------------
1326384392 ORCL 1 orclsid

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: html(也是缺省值)
Type Specified: html

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

DB Id Inst Num DB Name Instance Host
------------ -------- ------------ ------------ ------------
* 1326384392 1 ORCL orclsid localhost.lo
caldomain

Using 1326384392 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 without
specifying a number lists all completed snapshots.

Enter value for num_days: 2

Listing the last 2 days of Completed Snapshots

Snap
Instance DB Name Snap Id Snap Started Level
------------ ------------ --------- ------------------ -----
orclsid ORCL 220 19 May 2013 10:18 1
221 19 May 2013 11:00 1
222 19 May 2013 11:42 1
223 19 May 2013 12:00 1
224 19 May 2013 12:30 1
225 19 May 2013 13:00 1
226 19 May 2013 13:30 1
227 19 May 2013 14:00 1
228 19 May 2013 14:30 1
229 19 May 2013 15:00 1

Specify the Begin and End Snapshot Ids
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Enter value for begin_snap: 228
Begin Snapshot Id specified: 228

Enter value for end_snap: 229
End Snapshot Id specified: 229

Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
The default report file name is awrrpt_1_228_229.html. To use this name,
press to continue, otherwise enter an alternative.
可以设置文件名,报告分析之后:我们可以在 浏览器中查看报告(这里列出了 数据库的整体运行情况,执行时间长的前几条SQL,参数文件,等等,注意AWR只是一个报告,并不会帮助我们分析该如何优化,在后面的ADDM报告则会为我们提供优化的建议):



--======================================================================
另外有一种addm报告会帮助我们分析,并且提供必要的调优建议:

SQL> @/home/oracle/oracle/product/10.2.0/db_1/rdbms/admin/addmrpt.sql

Current Instance
~~~~~~~~~~~~~~~~

DB Id DB Name Inst Num Instance
----------- ------------ -------- ------------
1326384392 ORCL 1 orclsid


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

DB Id Inst Num DB Name Instance Host
------------ -------- ------------ ------------ ------------
* 1326384392 1 ORCL orclsid localhost.lo
caldomain

Using 1326384392 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 without
specifying a number lists all completed snapsh