How To Fix DB6PM794 - DBCFG - DLCHKTIME - SAP recommendation: at least 300000

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 794

• Message text: DBCFG - DLCHKTIME - SAP recommendation: at least 300000

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM794 - DBCFG - DLCHKTIME - SAP recommendation: at least 300000 ?

  The SAP error message DB6PM794 indicates a configuration issue related to the database connection parameters, specifically the DLCHKTIME parameter. This parameter is related to the database's deadlock check time, which is the interval at which the database checks for deadlocks.
  Cause:
  The error message suggests that the current value of the DLCHKTIME parameter is set below the recommended threshold of 300,000 milliseconds (or 300 seconds). A low value for this parameter can lead to performance issues, as the database may not be checking for deadlocks frequently enough, potentially resulting in increased contention and performance degradation.
  Solution:
  To resolve this issue, you should increase the DLCHKTIME parameter to at least 300,000 milliseconds. Here are the steps to do this:
  
  
  Access the Database Configuration:
  
  Depending on your database system (e.g., Oracle, SQL Server, etc.), you will need to access the database configuration settings. This may involve using a database management tool or command-line interface.
  
  
  
  Modify the Parameter:
  
  Locate the DLCHKTIME parameter in the configuration settings.
  Change its value to at least 300,000 milliseconds.
  
  
  
  Save Changes:
  
  After modifying the parameter, save the changes to the configuration.
  
  
  
  Restart the Database:
  
  In many cases, changes to configuration parameters require a restart of the database for the changes to take effect. Ensure you follow the appropriate procedures to restart the database safely.
  
  
  
  Monitor Performance:
  
  After making the change, monitor the database performance to ensure that the issue is resolved and that there are no further deadlock issues.
  
  
  
  Related Information:
  
  Deadlocks: A deadlock occurs when two or more transactions are waiting for each other to release locks, causing a standstill. Regular checks for deadlocks can help mitigate this issue.
  Database Documentation: Refer to the specific database documentation for detailed instructions on modifying configuration parameters, as the steps may vary depending on the database system in use.
  SAP Notes: Check SAP Notes and Knowledge Base Articles for any additional recommendations or updates related to this error message.
  
  By following these steps, you should be able to resolve the DB6PM794 error and improve the performance and stability of your SAP system.