How To Fix RSDDB220 - Indexing not possible due to a lock on the SAP HANA/BWA server

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDDB - BIA Index Objects: Activate, Fill, Delete

• Message number: 220

• Message text: Indexing not possible due to a lock on the SAP HANA/BWA server

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDDB220 - Indexing not possible due to a lock on the SAP HANA/BWA server ?

  The SAP error message RSDDB220 indicates that indexing cannot be performed because there is a lock on the SAP HANA or BWA (Business Warehouse Accelerator) server. This typically occurs when another process is currently using the server resources, preventing the indexing operation from proceeding.
  Causes:
  
  Concurrent Processes: Another indexing or data loading process is currently running, which locks the resources needed for the new indexing operation.
  Long-Running Queries: A long-running query or transaction may be holding a lock on the database, preventing other operations from executing.
  System Configuration: Configuration settings in the SAP BW or HANA system may lead to locking issues, especially if the system is not optimized for concurrent operations.
  Database Locks: Locks at the database level due to transactions that have not been committed or rolled back.
  
  Solutions:
  
  
  Identify and Terminate Blocking Processes:
  
  Use transaction codes like SM66 (Global Work Process Overview) or SM50 (Work Process Overview) to identify any long-running processes that may be causing the lock.
  If necessary, terminate the blocking process after ensuring it is safe to do so.
  
  
  
  Check for Long-Running Queries:
  
  Use the HANA Studio or SQL console to check for long-running queries that may be holding locks. You can use the SQL command SELECT * FROM M_Locks to see current locks in the HANA database.
  
  
  
  Retry the Indexing Operation:
  
  After resolving any blocking issues, retry the indexing operation. It may be necessary to wait a few moments before attempting again to ensure that the locks have been released.
  
  
  
  Optimize System Configuration:
  
  Review and optimize the configuration settings for your SAP BW or HANA system to allow for better handling of concurrent processes. This may involve adjusting memory settings, process priorities, or other performance-related configurations.
  
  
  
  Schedule Indexing During Off-Peak Hours:
  
  If possible, schedule indexing operations during off-peak hours when there are fewer users and processes running on the system.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or patches related to this error. SAP Notes can be found in the SAP Support Portal.
  
  
  
  Related Information:
  
  SAP HANA Documentation: Review the official SAP HANA documentation for best practices on managing locks and optimizing performance.
  SAP BW Documentation: Look into SAP BW documentation for information on data loading and indexing processes.
  Monitoring Tools: Utilize monitoring tools available in SAP HANA and BW to keep track of system performance and identify potential issues proactively.
  
  By following these steps, you should be able to resolve the RSDDB220 error and successfully perform the indexing operation.