How To Fix RSD_TREX090 - Queries read data from the database for the next &1 seconds

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 090

• Message text: Queries read data from the database for the next &1 seconds

What causes this issue?

An error occurred in the BWA server.

System Response

The BWA server is set to "inactive" for the next 30 minutes. This means
that all queries now read the data from the database, and not from the
BWA index of the InfoCube. This can result in considerably longer
runtimes.

How to fix this error?

Correct the error in the HPA server. Then delete the entry in table
RSDDTREXHPAFAIL. The queries read from the BWA server again.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX090 - Queries read data from the database for the next &1 seconds ?

  The SAP error message RSD_TREX090 typically indicates that a query is taking longer than expected to read data from the database. This can be due to various reasons, including performance issues, database locks, or inefficient query design. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Database Performance Issues: The database may be experiencing high load or performance degradation, leading to slow query execution.
  Locks: There may be locks on the database tables that are preventing the query from executing efficiently.
  Inefficient Queries: The query itself may be poorly designed, leading to long execution times. This can include missing indexes, complex joins, or large data volumes being processed.
  Network Latency: If the database is hosted on a different server, network latency can contribute to slower data retrieval.
  Insufficient Resources: The database server may not have enough CPU, memory, or disk I/O resources to handle the query efficiently.
  
  Solutions:
  
  
  Analyze Query Performance:
  
  Use transaction codes like ST05 (SQL Trace) or ST12 (Single Transaction Analysis) to analyze the performance of the query.
  Check for missing indexes or optimize the existing ones.
  
  
  
  Database Optimization:
  
  Ensure that the database is properly tuned for performance. This may include adjusting configuration parameters, optimizing storage, or performing regular maintenance tasks like updating statistics.
  
  
  
  Check for Locks:
  
  Use transaction codes like SM12 (Display Locks) to check for any locks on the database tables that may be affecting query performance.
  
  
  
  Increase Resources:
  
  If the database server is under-resourced, consider upgrading the hardware or optimizing the database configuration to better utilize available resources.
  
  
  
  Review Query Design:
  
  Simplify the query if possible. Break down complex queries into smaller, more manageable parts.
  Limit the amount of data being retrieved by using filters or aggregations where appropriate.
  
  
  
  Network Optimization:
  
  If network latency is an issue, consider optimizing the network configuration or moving the database closer to the application server.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools to keep track of system performance and identify bottlenecks.
  Database Logs: Review database logs for any errors or warnings that may provide additional context for the performance issues.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the RSD_TREX090 error and improve the performance of your queries.