How To Fix /SAPAPO/TSM802 - Performance problems due to large number of time periods

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 802

• Message text: Performance problems due to large number of time periods

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TSM802 - Performance problems due to large number of time periods ?

  The SAP error message /SAPAPO/TSM802 typically indicates performance issues in the SAP Advanced Planning and Optimization (APO) module, specifically related to the handling of a large number of time periods in planning scenarios. This can occur in various planning applications, such as Demand Planning (DP) or Supply Network Planning (SNP), where the system struggles to process a high volume of data efficiently.
  Cause:
  
  Large Time Periods: The error is often triggered when the planning horizon is set to a large number of time periods (e.g., days, weeks, or months), which can lead to excessive data processing and memory consumption.
  Data Volume: A high volume of master data, transaction data, or planning data can exacerbate performance issues, especially if the data is not optimized.
  Inefficient Planning Books: Poorly designed planning books or queries that require extensive calculations can lead to performance degradation.
  System Configuration: Inadequate system resources (CPU, memory) or suboptimal configuration settings can also contribute to performance problems.
  
  Solution:
  
  Reduce Time Periods: Limit the number of time periods in the planning horizon. This can be done by adjusting the planning book settings or the planning horizon in the relevant configuration.
  Optimize Data: Review and optimize the master and transaction data. This may include archiving old data, consolidating data, or ensuring that only relevant data is loaded into the planning books.
  Improve Planning Books: Simplify the planning books and queries. Remove unnecessary key figures or characteristics that may be causing excessive calculations.
  Use Aggregation: Consider using aggregated data for planning purposes, which can reduce the volume of data processed at any one time.
  System Resources: Ensure that the SAP system has adequate resources (CPU, memory) to handle the workload. This may involve hardware upgrades or configuration changes.
  Batch Processing: If applicable, consider using batch processing for planning runs to manage the load on the system more effectively.
  Performance Monitoring: Utilize SAP's performance monitoring tools (like ST03N, ST05) to identify bottlenecks and optimize performance.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to performance issues in APO.
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users facing similar issues.
  Documentation: Review SAP documentation for best practices in configuring and optimizing APO planning books and data models.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the performance problems associated with the /SAPAPO/TSM802 error message.