How To Fix DBMAN374 - Fact table &1 locked by another process

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 374

• Message text: Fact table &1 locked by another process

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBMAN374 - Fact table &1 locked by another process ?

  The SAP error message DBMAN374 indicates that a fact table is locked by another process. This typically occurs in the context of data loading or data processing in SAP BW (Business Warehouse) or SAP HANA environments. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Concurrent Processes: The fact table is being accessed or modified by another process, such as a data load, update, or query execution. This can happen if multiple data loads are scheduled to run simultaneously.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the fact table, preventing other processes from accessing it.
  Database Locking Mechanism: The underlying database (e.g., HANA, Oracle, SQL Server) has a locking mechanism that prevents multiple write operations on the same table to maintain data integrity.
  
  Solution:
  
  
  Identify the Locking Process:
  
  Use transaction codes like SM12 (for SAP locks) or database-specific tools to identify which process is holding the lock on the fact table.
  Check for any long-running data load jobs or queries that may be causing the lock.
  
  
  
  Terminate the Locking Process:
  
  If it is safe to do so, you can terminate the locking process using transaction SM37 (to monitor jobs) or the appropriate database management tools.
  Ensure that terminating the process will not lead to data inconsistency or loss.
  
  
  
  Reschedule Data Loads:
  
  If you have multiple data loads scheduled, consider staggering them to avoid concurrent access to the same fact table.
  Use process chains in SAP BW to manage the sequence of data loads effectively.
  
  
  
  Optimize Data Load Performance:
  
  Review and optimize the data load process to reduce the time it takes to complete, thereby minimizing the duration of locks.
  Consider using delta loads instead of full loads when possible.
  
  
  
  Check for Configuration Issues:
  
  Ensure that the system is configured correctly for handling concurrent data loads, including settings related to locking and isolation levels.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to DBMAN374 for any specific patches or updates that may address this issue.
  Database Documentation: Review the documentation for the specific database you are using (e.g., SAP HANA, Oracle) for details on locking behavior and management.
  Performance Monitoring: Use performance monitoring tools to keep an eye on long-running processes and locks in the system.
  
  By following these steps, you should be able to resolve the DBMAN374 error and prevent it from occurring in the future.