SAP中的参数文件(profile files)

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1、sap中参数文件有3中

Start Profile、Default profile、Instance profile。保存目录:/usr/sap/<SID>/SYS/profile/文件夹下,

The instance-specific start profile (START<instance><instance number>_<hostname>),specifies for each instance which process are to be started. Thses are, for example, the message server and the dispatcher.

There is only one default profile (DEFAUT.PFL) for each SAP system, and it is read by all instances. It contains system-wide settings, such as the system name, the name of database server, the name of the enqueue server, or also the default logon client.

The instance profile (<SID>_<instance><instance number>_<host name>) defines parameters that apply for ne instance, such as the number and type of work processes, or the definition of the size and allocation of the main memory area used by the SAP system. The instance profile is therefore instance-specific.


2、参数的修改

可以在os层面直接修改,也可在sap中利用RZ10修改(推荐)。大部分参数生效需要重启sap系统

3、参数查看

T_code RZ10、RZ11 查看单个Instance的参数,T_code:RSPFPAR或者se38->RSPFPAR查看所有参数

在os成直接查看profile文件或者用命令

sappfpar <parameter name>查看单个参数值

sappfpar all 查看所有参数

sappfpar check 参数检查

sappfpar help 帮助

4、参数文件使用顺序

在系统启动时读取参数文件

参数值先读取Kernel中的,然后读取Default profile中的最后读取Instance profile中的,

参数值的使用优先级别正好是和读取顺序相反的,即Instance profile > Default profile > Kernel.




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