从此SQLPLUS有了Top命令

Jagjeet Singh为我们提供了这样一个sqlplus下的RAC dashboard，实时的性能工具，看上去和top或者nmon命令的界面很相似，借助于这个工具我们将可以实时监控RAC的性能指标而不依赖于图形界面。   点击这里下载Jagjeet Singh的sqlplus dashboard for rac工具。   具体的安装方法如下：    

解压zip包 

[oracle@vrh1 ~]$ unzip Pck.zip 
Archive:  Pck.zip
   creating: Pck/
  inflating: Pck/1_grants.sql        
  inflating: Pck/2_Types.sql         
  inflating: Pck/3_pkg.sql           
  inflating: Pck/drop.sql            
  inflating: Pck/howtoinstall.sql    
  inflating: Pck/outputexplained.pdf  
  inflating: Pck/sampleoutput.png    

[oracle@vrh1 ~]$ cd Pck

[oracle@vrh1 Pck]$ sqlplus  / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Wed Aug 8 02:08:49 2012

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

1.  执行授权文件1_grants.sql        

SQL> start 1_grants.sql
Enter value for _usr: maclean

需要指定安装在哪个schema下

2. 登录上面指定的schema，并执行 2_Types.sql 创建type

SQL> conn maclean/maclean
Connected.
SQL> 
SQL> 
SQL> start 2_Types.sql

Type created.

Type created.

Type created.

Type created.

Type created.

Type created.

Type created.

Type created.

Type created.

Type created.

3. 执行3_pkg.sql 创建包体

SQL> start 3_pkg.sql

Package created.

No errors.

Package body created.

 若想删除该工具吗，卸载的方法 

SQL> connect maclean/maclean
SQL> start drop.sql

      具体使用的方法如下：    

 SQL>set lines 190 pages 0 arraysize 50
 SQL>select * from table(jss.gtop(50,10)) ;

50代表 arraysize 一般不用修改
10代表 10s采样一次，采样间隔

  示例输出：   这很酷，仿佛文字版的spotlight  FOR RAC