How To Fix /SAPAPO/OM_TEST253 - OMS Monitor: Maximum memory: &1 kByte

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_TEST -

• Message number: 253

• Message text: OMS Monitor: Maximum memory: &1 kByte

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_TEST253 - OMS Monitor: Maximum memory: &1 kByte ?

  The SAP error message /SAPAPO/OM_TEST253 in the context of the OMS (Order Management System) Monitor indicates that the maximum memory limit has been reached. This can occur when the system is processing a large amount of data or when there are inefficiencies in the way memory is being utilized.
  Cause:
  
  High Data Volume: The system is trying to process a large volume of data, which exceeds the allocated memory limits.
  Inefficient Queries: Poorly optimized queries or processes that consume excessive memory.
  Configuration Limits: The memory settings for the OMS Monitor may be set too low for the current workload.
  Memory Leaks: There may be issues in the code or configuration that lead to memory not being released properly.
  
  Solution:
  
  
  Increase Memory Allocation:
  
  Adjust the memory settings in the SAP system configuration to allow for more memory to be allocated to the OMS Monitor.
  This can typically be done in the SAP profile parameters (e.g., rdisp/PG_MAXFS for the maximum size of the shared memory).
  
  
  
  Optimize Queries:
  
  Review and optimize any queries or processes that are running in the OMS Monitor to ensure they are efficient and not consuming excessive memory.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify any bottlenecks or areas for improvement.
  
  
  
  Check for Memory Leaks:
  
  Investigate if there are any memory leaks in custom code or third-party add-ons that may be affecting memory usage.
  
  
  
  Batch Processing:
  
  If applicable, consider breaking down large data processing tasks into smaller batches to reduce memory consumption at any one time.
  
  
  
  System Upgrade:
  
  If the issue persists and is due to hardware limitations, consider upgrading the system's hardware resources (RAM).
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and the specific error message for any patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review SAP documentation on memory management and performance tuning for best practices.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the memory-related error in the OMS Monitor.