How To Fix RSCV849 - E table of aggregate &1 has too many partitions

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCV - Analysis of BW objects (InfoCubes...)

• Message number: 849

• Message text: E table of aggregate &1 has too many partitions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCV849 - E table of aggregate &1 has too many partitions ?

  The SAP error message RSCV849 E indicates that a specific aggregate table has exceeded the maximum number of allowed partitions. This typically occurs in the context of SAP BW (Business Warehouse) when dealing with aggregates in InfoCubes or MultiProviders.
  Cause:
  The error is caused by the aggregate table having too many partitions. In SAP BW, aggregates are used to improve query performance by pre-calculating and storing summarized data. However, there is a limit to the number of partitions that can be created for an aggregate table. When this limit is exceeded, the system generates the RSCV849 error.
  Solution:
  To resolve this issue, you can consider the following approaches:
  
  
  Reduce the Number of Partitions:
  
  Review the partitioning strategy for the aggregate. If possible, consolidate partitions to reduce the total number.
  You may need to adjust the partitioning criteria to create fewer partitions.
  
  
  
  Delete Unused Partitions:
  
  If there are partitions that are no longer needed (e.g., for historical data that is not accessed), consider deleting them to free up space.
  
  
  
  Rebuild the Aggregate:
  
  If the aggregate is not performing well or has too many partitions, you might consider rebuilding it. This can be done by deleting the existing aggregate and creating a new one with a more efficient partitioning strategy.
  
  
  
  Check for Data Volume:
  
  Analyze the data volume and distribution. If the data is highly fragmented across many partitions, it may be beneficial to re-evaluate how data is being loaded and aggregated.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or patches related to this error. SAP frequently updates its documentation and provides solutions for known issues.
  
  
  
  Monitor and Optimize Queries:
  
  Ensure that queries are optimized to reduce the need for excessive partitioning. Sometimes, query performance can be improved through better indexing or query design.
  
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for best practices on aggregate design and partitioning.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Performance Monitoring Tools: Utilize SAP BW performance monitoring tools to analyze the performance of aggregates and identify potential bottlenecks.
  
  By following these steps, you should be able to address the RSCV849 error and optimize your SAP BW aggregates effectively.