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AWR报告的使用

程序员文章站 2024-01-14 16:56:52
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[Oracle@localhost admin]$ pwd /home/oracle/oracle/product/10.2.0/db_1/rdbms/admin [oracle@localhost admin]$ sqlplus sys/

[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):

AWR报告的使用

AWR报告的使用