SAP Parameter scsa/shm/size - Shared Common System Area Size

Parameter
scsa/shm/size

Short text
Shared Common System Area Size

Parameter description
The SCSA is a shared memory area that is used by basis components suchas system log, trace, and so on. scsa/shm/size configures the size ofthe SCSA. Depending on the operating system, this area is created eitheras a standalone shared memory area, or as area no. 5 on the SAP IPCinterface.

Work area
Scsa

Parameter unit
Number of bytes

Default value
4096

Who is allowed
SAP only

Limitation for os
None

Limitation for db
None

  • scsa/shm/key is the key for the SCSA in the
  • operating system (for example, UNIX)
    • scsa/shm/file is the key for the SCSA in the
    • operating system (for example, OS/2)
      • scsa/shm/size is the size of the SCSA (in bytes)

      • scsa/shm/start is a default value for the
      • initial address in the virtual memory
        • scsa/create_daemon/exe_file is a
        • separate program for creating the SCSA
          • scsa/autocreate defines whether a missing
          • SCSA is to be created automatically
            • install/uid names the user at operating system
            • level, to which the SCSA is to belong

              Valid_values
              Number