How To Fix D4432 - SAP/OS400 extended memory management: Free resources-peak no. of elements

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 432

• Message text: SAP/OS400 extended memory management: Free resources-peak no. of elements

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4432 - SAP/OS400 extended memory management: Free resources-peak no. of elements ?

  The SAP error message D4432, which pertains to SAP/OS400 extended memory management, indicates that the system has reached the peak number of elements for free resources. This typically occurs when the system is unable to allocate additional memory for processes due to limitations in the configuration or resource availability.
  Cause:
  
  Memory Limitations: The system has a predefined limit on the number of memory elements that can be allocated. If this limit is reached, new requests for memory allocation will fail.
  Configuration Issues: The configuration settings for memory management may not be optimized for the workload, leading to inefficient memory usage.
  High Load: A sudden increase in workload or concurrent users can lead to a spike in memory usage, causing the system to hit its limits.
  Memory Leaks: Applications or processes that do not release memory properly can lead to exhaustion of available memory resources.
  
  Solution:
  
  Increase Memory Limits: Review and adjust the configuration settings for memory management in the SAP system. This may involve increasing the limits for extended memory or adjusting the parameters related to memory allocation.
  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.
  Optimize Workload: Analyze the workload on the system and consider optimizing or distributing it to reduce peak memory usage.
  Check for Memory Leaks: Investigate any custom programs or third-party applications that may be causing memory leaks. Ensure that they are properly releasing memory after use.
  System Restart: In some cases, a system restart may help clear up memory issues temporarily, but this should not be a long-term solution.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  Related Information:
  
  SAP Memory Management: Understanding how SAP manages memory (including heap memory, extended memory, and paging) can help in diagnosing and resolving memory-related issues.
  Transaction Codes: Familiarize yourself with transaction codes like ST02 (for memory analysis), SM50 (for monitoring work processes), and SM66 (for monitoring global work processes).
  SAP Basis Team: Collaborate with your SAP Basis team to ensure that the system is configured correctly and to assist in troubleshooting memory-related issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.