How To Fix CSM_VMC059 - Total Fragmentation of Shared Memory

CSM_VMC059 - Overview

• Message type: E = Error

• Message class: CSM_VMC - Messages for VM Container Monitoring

• Message number: 059

• Message text: Total Fragmentation of Shared Memory

System Response

Percentage of allocated memory that is not being used (fragmentation). A
high fragmentation of the shared memory (50% and more) can reduce
performance due to high "page fault" numbers.
You can find more information about the memory classes in the VM
Container in the online documentation under
<DS:KENO.001560AA0E081DEB91E241270609CAF7>Memory Management in the VM
Container</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CSM_VMC059 - Total Fragmentation of Shared Memory ?

  The SAP error message CSM_VMC059, which indicates "Total Fragmentation of Shared Memory," typically arises in the context of SAP systems that utilize shared memory for various operations, such as the Message Server or the enqueue server. This error suggests that the shared memory is highly fragmented, which can lead to performance issues or even system failures.
  
  Cause:
  
  Memory Fragmentation: Over time, as processes allocate and deallocate memory, the shared memory can become fragmented. This means that there are many small, unused blocks of memory that cannot be utilized effectively.
  Insufficient Memory Allocation: If the initial memory allocation for the shared memory area is too low, it can lead to fragmentation as the system tries to manage memory for various processes.
  High Load: A high number of concurrent users or processes can exacerbate fragmentation issues, as more memory is allocated and deallocated frequently.
  
  Configuration Issues: Incorrect configuration settings for shared memory parameters can lead to inefficient