How To Fix DB11163 - &1 &3 > &2 &3: exclusive transaction lock time above threshold

SAP Error Message - Details

• Message type: E = Error

• Message class: DB11 - Oracle Monitor: messages

• Message number: 163

• Message text: &1 &3 > &2 &3: exclusive transaction lock time above threshold

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB11163 - &1 &3 > &2 &3: exclusive transaction lock time above threshold ?

  The SAP error message DB11163 indicates that an exclusive transaction lock has exceeded a specified threshold time. This can lead to performance issues and potential deadlocks in the database. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Long-Running Transactions: A transaction may be holding locks for an extended period, preventing other transactions from accessing the same resources.
  High Concurrency: Multiple transactions trying to access the same data simultaneously can lead to contention and longer lock times.
  Inefficient Queries: Poorly optimized SQL queries can take longer to execute, holding locks longer than necessary.
  Database Configuration: The database settings for lock timeouts or thresholds may be set too low for the workload being processed.
  Application Logic: The application may not be releasing locks properly or may be designed in a way that leads to prolonged locking.
  
  Solutions:
  
  Analyze Long-Running Transactions: Use transaction monitoring tools to identify and analyze transactions that are taking too long. Optimize these transactions if possible.
  Optimize SQL Queries: Review and optimize any SQL queries that are part of the long-running transactions. Ensure that indexes are used effectively and that queries are efficient.
  Increase Lock Timeout Threshold: If appropriate, consider increasing the lock timeout threshold in the database configuration to allow longer wait times for locks.
  Review Application Logic: Ensure that the application is designed to minimize lock contention. This may involve redesigning how transactions are handled or ensuring that locks are released promptly.
  Database Tuning: Review and tune database parameters related to locking and concurrency. This may include adjusting isolation levels or lock wait times.
  Monitor and Adjust Workload: If the system is under heavy load, consider load balancing or scheduling tasks to reduce contention during peak times.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message. SAP frequently updates its knowledge base with solutions for known issues.
  Database Documentation: Refer to the documentation for the specific database being used (e.g., HANA, Oracle, SQL Server) for best practices on managing locks and transactions.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like ST03N, ST04) to analyze system performance and identify bottlenecks.
  Transaction Management: Familiarize yourself with SAP's transaction management best practices to ensure efficient handling of database transactions.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the DB11163 error and improve overall system performance.