How To Fix RSDU_REPART720 - Read lock set for DataStore object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDU_REPART - Messages for Repartitioning InfoProviders

• Message number: 720

• Message text: Read lock set for DataStore object &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDU_REPART720 - Read lock set for DataStore object &1 ?

  The SAP error message RSDU_REPART720 indicates that a read lock has been set for a DataStore Object (DSO) in SAP BW (Business Warehouse). This typically occurs when a process is trying to access or modify the DSO while another process is currently using it, leading to a conflict.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another process (like a data load, transformation, or query) is currently accessing the DSO, which prevents your process from obtaining the necessary lock.
  Long-running Processes: If a data load or transformation is taking longer than expected, it can hold the lock for an extended period.
  System Performance Issues: High system load or performance issues can lead to delays in releasing locks.
  
  Solution:
  
  
  Identify the Locking Process:
  
  Use transaction SM12 to check for existing locks on the DSO. You can filter by the object name or user to find the locking process.
  If you identify a process that is holding the lock unnecessarily, you may need to terminate it (if appropriate) or wait for it to complete.
  
  
  
  Wait for Completion:
  
  If the locking process is legitimate and necessary, you may need to wait for it to finish. Monitor the process to see when it completes.
  
  
  
  Optimize Data Loads:
  
  Review and optimize your data load processes to ensure they run efficiently and do not hold locks longer than necessary.
  
  
  
  Schedule Processes:
  
  If you frequently encounter this issue, consider scheduling data loads and transformations during off-peak hours to minimize conflicts.
  
  
  
  Check for System Performance:
  
  Investigate any underlying system performance issues that may be causing delays in processing and releasing locks.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs and see if any jobs are running that might be locking the DSO.
  RSA1: To access the Data Warehousing Workbench and check the status of your DataStore Objects.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to locking mechanisms in BW.
  
  
  Documentation: Review SAP documentation on DataStore Objects and locking mechanisms for more detailed information on how locks are managed in BW.
  
  
  By following these steps, you should be able to resolve the RSDU_REPART720 error and prevent it from occurring in the future.