5G832 - Global lock table too small

SAP Error Message - Details

• Message type: E = Error

• Message class: 5G - HR: Messages for Britain

• Message number: 832

• Message text: Global lock table too small

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5G832 - Global lock table too small ?

  The SAP error message 5G832: Global lock table too small indicates that the global lock table in the SAP system is insufficient to handle the current locking requirements. This can occur in environments with high concurrency or when there are many transactions that require locks on database objects.
  Cause:
  
  High Concurrency: A large number of users or processes are trying to access and lock the same resources simultaneously.
  Insufficient Configuration: The global lock table size has not been configured adequately to meet the demands of the current workload.
  Long-Running Transactions: Transactions that hold locks for extended periods can contribute to the exhaustion of the lock table.
  Lock Contention: Frequent contention for the same locks can lead to the lock table being filled up quickly.
  
  Solution:
  
  
  Increase the Global Lock Table Size:
  
  You can increase the size of the global lock table by adjusting the parameter enque/table_size in the SAP profile. This parameter defines the size of the global lock table.
  To change this parameter:
  
  Go to transaction RZ10 (Profile Maintenance).
  Select the appropriate instance profile.
  Add or modify the parameter enque/table_size to a larger value.
  Save the changes and restart the SAP instance for the changes to take effect.
  
  
  
  
  
  Monitor and Optimize Lock Usage:
  
  Use transaction SM12 to monitor lock entries and identify long-running or unnecessary locks.
  Analyze the application logic to reduce lock contention and ensure that transactions are designed to complete quickly.
  
  
  
  Review Long-Running Transactions:
  
  Identify and optimize any long-running transactions that may be holding locks longer than necessary.
  
  
  
  Consider Load Balancing:
  
  If applicable, consider distributing the workload across multiple application servers to reduce the load on a single instance.
  
  
  
  Regular Maintenance:
  
  Regularly monitor the system for lock usage and adjust the configuration as necessary based on the workload.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related issues.
  RZ10: To change instance profile parameters.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or updates related to lock management and configuration.
  
  
  Documentation: Refer to the SAP Basis documentation for detailed information on lock management and performance tuning.
  
  
  By following these steps, you should be able to resolve the error and improve the performance of your SAP system regarding lock management.