zoukankan      html  css  js  c++  java
  • ORACLE体系结构

    体系结构

     

    SGA:

    $ sqlplus / as sysdba

    SQL> show sga

    SQL> show parameter sga_max_size  显示sga容量

    SQL> select * from V$SGAINFO; 

    oem:浏览器中 服务器-->内存指导(https://192.168.0.1:1158/em

     

    shared pool:

    SQL> show parameter shared_pool_size 参数

    SQL> select component, current_size from V$SGA_DYNAMIC_COMPONENTS where component='shared pool';共享池详细信息

    SQL> select * from v$SGAINFO;

     

    db buffer cache:

    SQL> show parameter db_block_size

    SQL> show parameter db_cache_size

    SQL> select * from v$SGAINFO;

    SQL> select component, current_size from V$SGA_DYNAMIC_COMPONENTS where component='DEFAULT buffer cache'; 动态性能视图

     

    redo log buffer:

    SQL> show parameter log_buffer

    SQL> select * from v$sgainfo;

     

    PGA:

    SQL> show parameter pga_aggregate_target

    SQL> select * from V$PGASTAT where NAME='total PGA allocated';

     

    后台进程:

    SQL> select name from v$bgprocess where paddr<>'00';

    SQL> ! ps -ef | grep ora_

    SQL> show parameter db_writer_processes

     

    数据文件:

    $ ll /u01/app/oracle/oradata/orcl/*.dbf

    SQL> select name from v$datafile;

    SQL> select name from v$tempfile;

     

    控制文件:

    $ find /u01 -name 'control0[12].ctl'

    SQL> select name from v$controlfile;

    SQL> select TYPE, RECORD_SIZE, RECORDS_TOTAL, RECORDS_USED from v$controlfile_record_section;

     

    重做日志:

    $ ll /u01/app/oracle/oradata/orcl/*.log

    SQL> select group#, member from v$logfile;

     

    实例参数文件:

    $ ll $ORACLE_HOME/dbs/spfile*.ora

    $ strings $ORACLE_HOME/dbs/spfileorcl.ora  字符查看

    SQL> show parameter spfile;

    SQL> show parameter

     

    密码文件:

    $ ll $ORACLE_HOME/dbs/orapw*

     

    归档日志:

    SQL> select name from v$archived_log;

     

    警告日志:

    $ find /u01 -name 'alert_*.log'

  • 相关阅读:
    display:block;inline;inline-block大总结
    img图片inline-block总结
    定时器
    获取样式
    UmiJS
    vue 点击当前路由重新加载该路由
    Support for the experimental syntax 'decorators-legacy' isn't currently enab -- 装饰器@
    js 改变匹配到的字符串的颜色
    with
    页面从输入 URL 到页面加载显示完成
  • 原文地址:https://www.cnblogs.com/shan2017/p/7295012.html
Copyright © 2011-2022 走看看