Oracle11gsga_target参数设置

开发人员让我把一个oracle 11g的sga设置的稍微大一点。于是按照之前对oracle 10g的记忆操作。

开发人员让我把一个Oracle 11g的sga设置的稍微大一点。于是按照之前对oracle 10g的记忆操作。
[oracle@localhost db_1]$ sqlplus /nolog

SQL*Plus: Release 11.2.0.1.0 Production on 星期六 6月 30 13:42:07 2012

Copyright (c) 1982, 2009, Oracle. All rights reserved.

SQL> conn /as sysdba
已连接。
SQL> show parameter sga;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 4800M
sga_target big integer 0

SQL> create pfile='/tmp/pfile.ora' from spfile;

文件已创建。

SQL> host
[oracle@localhost db_1]$ cd /tmp
[oracle@localhost tmp]$ ls
mapping-root pfile.ora scim-panel-socket:0-root
[oracle@localhost tmp]$ mor pfile.ora
bash: mor: command not found
[oracle@localhost tmp]$ more pfile.ora
intopay.__db_cache_size=1610612736
intopay.__java_pool_size=67108864
intopay.__large_pool_size=67108864
intopay.__oracle_base='/u01'#ORACLE_BASE set from environment
intopay.__pga_aggregate_target=2013265920
intopay.__sga_target=3019898880
intopay.__shared_io_pool_size=0
intopay.__shared_pool_size=1207959552
intopay.__streams_pool_size=0
*.audit_file_dest='/u01/admin/intopay/adump'
*.audit_trail='db'
*.compatible='11.2.0.0.0'
*.control_files='/u01/oradata/intopay/control01.ctl','/u01/flash_recovery_area/intopay/control02.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='intopay'
*.db_recovery_file_dest='/u01/flash_recovery_area'
*.db_recovery_file_dest_size=10737418240
*.diagnostic_dest='/u01'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=intopayXDB)'
*.memory_target=5033164800
*.nls_language='SIMPLIFIED CHINESE'
*.nls_territory='CHINA'
*.open_cursors=300
*.processes=1500
*.remote_login_passwordfile='EXCLUSIVE'
*.sessions=1655
*.undo_tablespace='UNDOTBS1'
[oracle@localhost tmp]$ exit
exit

SQL> shutdown immediate
数据库已经关闭。
已经卸载数据库。
ORACLE 例程已经关闭。
SQL> startup mount
ORACLE 例程已经启动。

Total System Global Area 5010685952 bytes
Fixed Size 2212936 bytes
Variable Size 3355446200 bytes
Database Buffers 1610612736 bytes
Redo Buffers 42414080 bytes
数据库装载完毕。
SQL> ALTER SYSTEM SET sga_max_size = 6442450944 COMMENT=’internally adjusted’ SCOPE=SPFILE SID=’INTOPAY′;
ALTER SYSTEM SET sga_max_size = 6442450944 COMMENT=’internally adjusted’ SCOPE=SPFILE SID=’INTOPAY′
*
第 1 行出现错误:
ORA-01756: 引号内的字符串没有正确结束

SQL> ALTER SYSTEM SET sga_max_size = 6442450944 COMMENT='internally adjusted’ SCOPE=SPFILE SID='INTOPAY′;
ALTER SYSTEM SET sga_max_size = 6442450944 COMMENT='internally adjusted’ SCOPE=SPFILE SID='INTOPAY′
*
第 1 行出现错误:
ORA-02095: 无法修改指定的初始化参数

SQL> alter system set sga_max_size=6442450944 scope=spfile ;

系统已更改。

SQL> show parameter sga;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 4800M
sga_target big integer 0
SQL> ALTER SYSTEM SET sga_target = 6442450944 SCOPE=SPFILE;

系统已更改。