ipc/sem_os_key_bottom SAP Parameter attribute - Lowest Key Number of OS Semaphore Keys

ipc/sem_os_key_bottom is a SAP Parameter attribute which is used to control Lowest Key Number of OS Semaphore Keys information. This is available within R/3 SAP systems depending on the version and release level.

Below is the standard documentation available and a few details of the attributes values .

ipc/sem_os_key_bottom profile paramerter attributes

Parameter Name: ipc/sem_os_key_bottom
Description: Lowest Key Number of OS Semaphore Keys
Default Value: 20000
Parameter Type ( See IF_PARAMETER_TYPES): Integer(INT)
Restriction Values:
Parameter Unit:
Parameter Group: IPC
CSN Component: BC-CST-LL
System-Wide parameter: No
Dynamic Parameter: No
Vector Parameter: No
Has Sub-Parameters: No
Check Function Exists: No

Parameter documentation

An SAP instance uses operating system semaphores from a defined range. This range starts with a number, such as 30000 or 20000. This number is defined with this parameter. A semaphore has the format X<(><<)>NN><(> <<)>yyyy>, where NN is the instance number.


See SAP Parameter Documentation for full SAP documentation for this profile parameter.