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MetricManager(一)
2015-11-21 01:35:09 来源: 作者: 【 】 浏览:2
Tags:MetricManager
这部分和awr,ash,addm构成了oracle性能监控的一整套体系。内容涉及很多,下面不能够全面详细介绍,希望有抛砖引玉的作用。
[oracle@localhost ~]$ lsb_release -a
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: EnterpriseEnterpriseServer
Description: Enterprise Linux Enterprise Linux Server release 5.5 (Carthage)
Release: 5.5
Codename: Carthage
SQL> select * from v$version where rownum=1;

BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production


在EM中直观的看到已经创建的部分度量:

\
简单创建一个度量,用于警告数据文件6使用情况:

\
SQL> alter database datafile 6 resize 2m;

数据库已更改。

SQL> alter database datafile 6 autoextend off;

数据库已更改。

SQL> select bytes/1024/1024 from dba_data_files where tablespace_name="WANG';


BYTES/1024/1024
---------------
2
SQL> create table tt tablespace wang as select * from t;

表已创建。
SQL> select count(*) from tt;

COUNT(*)
----------
1048576
EM中出现了告警信息:

\
我们可以用过查找:
select *from v$metricname(所有度量的名称)
select * from dba_outstanding_alerts;(突出的告警信息)
select * from dba_alert_histZ??http://www.2cto.com/kf/ware/vc/" target="_blank" class="keylink">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