How To Fix SMMSS_ALERTS037 - Single SQL statement runtime of &1ms is very high

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_ALERTS - Message class for MSSQL rz20 messages

• Message number: 037

• Message text: Single SQL statement runtime of &1ms is very high

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_ALERTS037 - Single SQL statement runtime of &1ms is very high ?

  The SAP error message SMMSS_ALERTS037 indicates that a single SQL statement has a runtime that exceeds a predefined threshold, which is set to alert administrators about potential performance issues. This message is part of the SAP system's monitoring and alerting framework, specifically related to database performance.
  Cause
  The high runtime of a SQL statement can be caused by several factors, including:
  
  Inefficient SQL Queries: The SQL statement may not be optimized, leading to longer execution times.
  Database Locks: Other transactions may be locking the resources needed by the SQL statement, causing delays.
  Large Data Volumes: The query may be processing a large amount of data, which can increase execution time.
  Missing Indexes: If the necessary indexes are not present, the database may need to perform full table scans, which are slower.
  Database Configuration: Suboptimal database configuration settings can lead to performance issues.
  Resource Contention: High load on the database server or contention for resources can slow down query execution.
  Network Latency: If the database is remote, network issues can also contribute to longer execution times.
  
  Solution
  To address the high runtime of the SQL statement, consider the following steps:
  
  
  Analyze the SQL Statement:
  
  Use tools like the SQL Trace (ST05) or the SQL Performance Tuning Worklist (ST03N) to analyze the execution plan and identify bottlenecks.
  Look for inefficient joins, subqueries, or unnecessary data retrieval.
  
  
  
  Optimize the Query:
  
  Rewrite the SQL statement to make it more efficient.
  Ensure that only the necessary columns and rows are being selected.
  
  
  
  Check Indexes:
  
  Verify that appropriate indexes exist for the tables involved in the query.
  Consider adding indexes if they are missing and would improve performance.
  
  
  
  Database Maintenance:
  
  Perform regular database maintenance tasks such as updating statistics and reorganizing fragmented indexes.
  
  
  
  Monitor Database Performance:
  
  Use database monitoring tools to keep an eye on performance metrics and identify trends over time.
  Look for patterns in high runtime queries and address them proactively.
  
  
  
  Review Database Configuration:
  
  Ensure that the database is configured optimally for the workload it is handling.
  Adjust parameters related to memory allocation, parallel processing, etc.
  
  
  
  Check for Locks:
  
  Use transaction monitoring tools to check for locks that may be affecting the execution of the SQL statement.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes and documentation for specific guidance related to performance tuning in your version of SAP.
  
  
  
  Related Information
  
  
  Transaction Codes: 
  
  ST05: SQL Trace for performance analysis.
  ST03N: Workload analysis for monitoring performance.
  SE11: Data dictionary to check table structures and indexes.
  
  
  
  SAP Notes: Search for relevant SAP Notes that may provide additional insights or specific fixes related to performance issues.
  
  
  Performance Tuning Guides: SAP provides various performance tuning guides that can help in optimizing SQL queries and database performance.
  
  
  By following these steps, you can identify the root cause of the high SQL statement runtime and implement appropriate solutions to improve performance.