How To Fix RSDD_ZA015 - Start reorganization of BW Accelerator landscape

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 015

• Message text: Start reorganization of BW Accelerator landscape

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA015 - Start reorganization of BW Accelerator landscape ?

  The SAP error message RSDD_ZA015, which indicates the need to "Start reorganization of BW Accelerator landscape," typically arises in the context of SAP BW (Business Warehouse) systems that utilize the BW Accelerator (BWA) for improved query performance. This error suggests that the BWA landscape requires maintenance or reorganization to optimize performance and ensure that the data is correctly aligned.
  Cause:
  
  Data Volume Growth: As data accumulates in the BW system, the BWA may become less efficient, leading to performance issues.
  Index Fragmentation: Over time, the indexes used by the BWA can become fragmented, which can degrade query performance.
  Changes in Data Model: Changes in the data model or the addition of new data sources can necessitate a reorganization of the BWA landscape.
  System Maintenance: Regular maintenance tasks may not have been performed, leading to the need for reorganization.
  
  Solution:
  To resolve the RSDD_ZA015 error, you can follow these steps:
  
  
  Start Reorganization:
  
  Use the transaction code RSD1 to access the Data Warehousing Workbench.
  Navigate to the BW Accelerator settings and initiate the reorganization process.
  Alternatively, you can use the transaction RSB4 to manage the BWA and start the reorganization.
  
  
  
  Monitor the Process:
  
  After initiating the reorganization, monitor the process to ensure it completes successfully. You can check the logs for any errors or warnings.
  
  
  
  Check for Updates:
  
  Ensure that your SAP BW and BWA systems are up to date with the latest patches and updates, as these can include performance improvements and bug fixes.
  
  
  
  Regular Maintenance:
  
  Schedule regular maintenance tasks for the BWA to prevent future occurrences of this error. This can include periodic reorganizations and monitoring of data growth.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for BW and BWA for specific guidelines on maintenance and optimization.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to BW Accelerator for any specific recommendations or known issues.
  Performance Monitoring: Utilize SAP BW performance monitoring tools to analyze query performance and identify areas that may require attention.
  SAP Community: Engage with the SAP Community forums for insights and experiences from other users who may have encountered similar issues.
  
  By following these steps, you should be able to address the RSDD_ZA015 error and optimize your BW Accelerator landscape for better performance.