Oracle 11g 手工跑ASH报告

千家信息网最后更新 2025年02月02日Oracle 11g 手工跑ASH报告Oracle 11g RAC环境，节点2
[oracle@db2 ~]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 15 21:08:14 2017


Copyright (c) 1982, 2011, Oracle. All rights reserved.




Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options


SQL> @?/rdbms/admin/ashrpt.sql;


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


DB Id DB Name Inst Num Instance
----------- ------------ -------- ------------
893820404 SCPRD 2 SCPRD2




Specify the Report Type
~~~~~~~~~~~~~~~~~~~~~~~
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
------------ -------- ------------ ------------ ------------
* 893820404 2 SCPRD SCPRD2 db2
893820404 1 SCPRD SCPRD1 db1


Defaults to current database


Using database id: 893820404


Enter instance numbers. Enter 'ALL' for all instances in a
RAC cluster or explicitly specify list of instances (e.g., 1,2,3).
Defaults to current instance.


Using instance number(s): 2
















ASH Samples in this Workload Repository schema
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Oldest ASH sample available: 07-Dec-17 11:00:25 [ 12130 mins in the past]
Latest ASH sample available: 15-Dec-17 21:10:54 [ 0 mins in the past]




Specify the timeframe to generate the ASH report
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Enter begin time for report:


-- Valid input formats:
-- To specify absolute begin time:
-- [MM/DD[/YY]] HH24:MI[:SS]
-- Examples: 02/23/03 14:30:15
-- 02/23 14:30:15
-- 14:30:15
-- 14:30
-- To specify relative begin time: (start with '-' sign)
-- -[HH24:]MI
-- Examples: -1:15 (SYSDATE - 1 Hr 15 Mins)
-- -25 (SYSDATE - 25 Mins)


Defaults to -15 mins
Enter value for begin_time: 12/15/17 21:11:00
Report begin time specified: 12/15/17 21:11:00


Enter duration in minutes starting from begin time:
Defaults to SYSDATE - begin_time
Press Enter to analyze till current time
Enter value for duration:10
Using 15-Dec-17 21:11:00 as report begin time
Using 15-Dec-17 21:13:22 as report end time
Specify Slot Width (using ashrpti.sql) for 'Activity Over Time' section
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


-- Explanation:
-- In the 'Activity Over Time' section of the ASH report,
-- the analysis period is divided into smaller slots
-- and top wait events are reported in each of those slots.


-- Default:
-- The analysis period will be automatically split upto 10 slots
-- complying to a minimum slot width of
-- 1 minute, if the source is V$ACTIVE_SESSION_HISTORY or
-- 5 minutes, if the source is DBA_HIST_ACTIVE_SESS_HISTORY.




Specify Slot Width in seconds to use in the 'Activity Over Time' section:
Defaults to a value as explained above:
Slot Width specified:




Specify Report Targets (using ashrpti.sql) to generate the ASH report
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


-- Explanation:
-- ASH Report can accept "Report Targets",
-- like a particular SQL statement, or a particular SESSION,
-- to generate the report on. If one or more report targets are
-- specified, then the data used to generate the report will only be
-- the ASH samples that pertain to ALL the specified report targets.


-- Default:
-- If none of the report targets are specified,
-- then the target defaults to all activity in the database instance.




Specify SESSION_ID (eg: from V$SESSION.SID) report target:
Defaults to NULL:
SESSION report target specified:




Specify SQL_ID (eg: from V$SQL.SQL_ID) report target:
Defaults to NULL: (% and _ wildcards allowed)
SQL report target specified:




Specify WAIT_CLASS name (eg: from V$EVENT_NAME.WAIT_CLASS) report target:
[Enter 'CPU' to investigate CPU usage]
Defaults to NULL: (% and _ wildcards allowed)
WAIT_CLASS report target specified:




Specify SERVICE_HASH (eg: from V$ACTIVE_SERVICES.NAME_HASH) report target:
Defaults to NULL:
SERVICE report target specified:




Specify MODULE name (eg: from V$SESSION.MODULE) report target:
Defaults to NULL: (% and _ wildcards allowed)
MODULE report target specified:




Specify ACTION name (eg: from V$SESSION.ACTION) report target:
Defaults to NULL: (% and _ wildcards allowed)
ACTION report target specified:




Specify CLIENT_ID (eg: from V$SESSION.CLIENT_IDENTIFIER) report target:
Defaults to NULL: (% and _ wildcards allowed)
CLIENT_ID report target specified:




Specify PLSQL_ENTRY name (eg: "SYS.DBMS_LOB.*") report target:
Defaults to NULL: (% and _ wildcards allowed)
PLSQL_ENTRY report target specified:


Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
The default report file name is ashrpt_2_1215_2113.html. To use this name,
press to continue, otherwise enter an alternative.
Enter value for report_name:
Using the report name ashrpt_2_1215_2113.html


Summary of All User Input
-------------------------
Format : HTML
DB Id : 893820404
Inst num : 2
Begin time : 15-Dec-17 21:11:00
End time : 15-Dec-17 21:13:22
Slot width : Default
Report targets : 0
Report name : ashrpt_2_1215_2113.html
......


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End of Report

Report written to ashrpt_2_1215_2113.html

我选择抓取10分钟，但是到当前时间还不到10分钟，于是end时间自动选择了当前时间。
下载得到ASH报告。