How To Fix D4412 - SAP/OS400 roll management: Free roll areas-maximum number of big elements

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 412

• Message text: SAP/OS400 roll management: Free roll areas-maximum number of big elements

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4412 - SAP/OS400 roll management: Free roll areas-maximum number of big elements ?

  The SAP error message D4412, which indicates an issue with "SAP/OS400 roll management: Free roll areas - maximum number of big elements," typically arises in the context of memory management within the SAP system running on the OS/400 platform (IBM iSeries). This error suggests that the system has reached the limit for the number of large elements that can be stored in the roll area, which is a part of the memory used for managing data during program execution.
  Cause:
  
  Memory Limitations: The error occurs when the system has exhausted the available roll area for large data elements. This can happen if there are too many large internal tables or data structures being processed simultaneously.
  Configuration Settings: The configuration settings for roll area sizes may not be optimized for the workload, leading to insufficient space for large elements.
  Long-Running Transactions: Long-running transactions that consume a lot of memory can lead to this issue, especially if they are not releasing memory properly.
  
  Solution:
  
  
  Increase Roll Area Size: You can increase the size of the roll area in the SAP profile parameters. This can be done by adjusting the parameters related to roll memory, such as rdisp/roll_area and rdisp/roll_max_size. Consult your system administrator or SAP Basis team for assistance with this.
  
  
  Optimize ABAP Programs: Review and optimize ABAP programs to reduce the number of large internal tables or data structures being used. This may involve breaking down large data processing tasks into smaller chunks or using more efficient data structures.
  
  
  Monitor Memory Usage: Use transaction codes like ST02 (Tune Summary) to monitor memory usage and identify any bottlenecks or areas where memory is being consumed excessively.
  
  
  Adjust Work Processes: If applicable, consider adjusting the number of work processes or their configuration to better handle the workload.
  
  
  Review Transaction Logic: Ensure that transactions are designed to release memory when no longer needed. This can involve proper handling of internal tables and data structures.
  
  
  System Restart: In some cases, a system restart may help clear up memory issues temporarily, but this is not a long-term solution.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error. SAP Notes can be found in the SAP Support Portal.
  Documentation: Review the SAP documentation for memory management and roll area configuration specific to your version of SAP and OS/400.
  Performance Tuning: Consider engaging in performance tuning exercises to optimize the overall memory usage of your SAP system.
  
  If the problem persists after trying these solutions, it may be necessary to engage SAP support for further assistance.