How To Fix /SDF/DB6123 - Number of lock waits per hour


/SDF/DB6123 - Overview

  • Message type: E = Error

  • Message class: /SDF/DB6 -

  • Message number: 123

  • Message text: Number of lock waits per hour

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message /SDF/DB6123 - Number of lock waits per hour ?
    The SAP error message /SDF/DB6123 indicates that the number of lock waits per hour has exceeded a predefined threshold. This typically points to issues related to database locking, which can occur when multiple transactions are trying to access the same data simultaneously, leading to contention and delays.
    
    Cause: High Concurrency: Multiple users or processes are trying to access the same data at the same time, leading to lock contention. Long-Running Transactions: Transactions that take a long time to complete can hold locks for extended periods, causing other transactions to wait. Inefficient Queries: Poorly optimized queries can lead to longer execution times and increased lock duration. Database Configuration: The database may not be configured optimally for the workload, leading to increased lock waits. Application Design: The way the application is designed may lead to excessive locking, such as not releasing locks promptly.
    Solution: Analyze Lock Waits: Use transaction codes like SM12 (to view lock entries) and SM21 (to check

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