How To Fix RSDME306 - Number of nodes before pruning in trial &1 = &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 306

• Message text: Number of nodes before pruning in trial &1 = &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME306 - Number of nodes before pruning in trial &1 = &2 ?

  The SAP error message RSDME306, which states "Number of nodes before pruning in trial &1 = &2," typically occurs in the context of SAP BW (Business Warehouse) when dealing with queries or data modeling. This error is related to the performance of query execution and the optimization of data retrieval.
  Cause:
  The error indicates that the number of nodes (or data points) being processed in a query is excessively high, which can lead to performance issues. This situation often arises when:
  
  The query is too complex or involves too many characteristics or key figures.
  There are issues with the data model, such as incorrect joins or overly broad selections.
  The underlying data volume is very large, and the system is struggling to handle the amount of data being processed.
  
  Solution:
  To resolve the RSDME306 error, consider the following steps:
  
  
  Optimize the Query:
  
  Simplify the query by reducing the number of characteristics or key figures.
  Use filters to limit the data being processed.
  Avoid using too many calculated key figures or complex formulas.
  
  
  
  Check Data Model:
  
  Review the InfoProviders (e.g., InfoCubes, DSOs) involved in the query to ensure they are designed efficiently.
  Ensure that joins between tables are appropriate and do not create unnecessary complexity.
  
  
  
  Use Aggregates:
  
  If applicable, create aggregates to pre-calculate and store summarized data, which can significantly reduce the amount of data processed during query execution.
  
  
  
  Adjust Query Properties:
  
  In the query designer, check the properties and settings for the query. Adjust settings related to data retrieval, such as the "Execute in Background" option if applicable.
  
  
  
  Monitor Performance:
  
  Use transaction codes like RSRT (Query Monitor) to analyze the performance of the query and identify bottlenecks.
  Check the execution plan and analyze where the most time is being spent.
  
  
  
  Increase System Resources:
  
  If the issue persists and is related to system performance, consider increasing the resources allocated to the SAP BW system, such as memory or processing power.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on performance tuning in BW.
  Documentation: Review SAP BW documentation for best practices in query design and performance optimization.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to address the RSDME306 error and improve the performance of your SAP BW queries.