How To Fix RSD_TREX549 - Estimated storage requirements of fact index '&2' (KB), '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 549

• Message text: Estimated storage requirements of fact index '&2' (KB), '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX549 - Estimated storage requirements of fact index '&2' (KB), '&1' ?

  The SAP error message RSD_TREX549 typically relates to issues with the storage requirements of a fact index in SAP BW (Business Warehouse) when using the TREX search engine. This error can occur during the process of creating or modifying a data model, particularly when the system estimates the storage requirements for a fact index and finds that it exceeds certain limits or is not feasible.
  Cause:
  
  Excessive Data Volume: The estimated storage requirements for the fact index may be too high due to a large volume of data being processed or indexed.
  Configuration Issues: There may be configuration settings in the BW system that are not optimized for the amount of data being handled.
  Data Model Design: The design of the data model may not be efficient, leading to excessive storage requirements.
  System Limitations: The underlying infrastructure may not have sufficient resources (disk space, memory) to accommodate the estimated storage needs.
  
  Solution:
  
  Review Data Volume: Check the amount of data being loaded into the fact index. If possible, reduce the volume of data by filtering unnecessary records or aggregating data.
  Optimize Data Model: Re-evaluate the design of the data model. Consider using aggregates or partitioning the data to reduce the size of the fact index.
  Adjust Configuration: Review and adjust the configuration settings related to the fact index and TREX. Ensure that the settings are appropriate for the data volume.
  Increase System Resources: If the infrastructure allows, consider increasing the disk space or memory allocated to the SAP BW system to accommodate larger data volumes.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues related to storage requirements.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSD_TREX549 for any specific recommendations or fixes provided by SAP.
  Performance Monitoring: Use SAP BW performance monitoring tools to analyze the data load processes and identify bottlenecks or inefficiencies.
  Documentation: Refer to SAP documentation on data modeling and TREX configuration for best practices and guidelines.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the RSD_TREX549 error and successfully manage the storage requirements of your fact index.