How To Fix DB6PM789 - DBCFG - PCKCACHESZ - SAP recommendation: at least 5120

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 789

• Message text: DBCFG - PCKCACHESZ - SAP recommendation: at least 5120

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM789 - DBCFG - PCKCACHESZ - SAP recommendation: at least 5120 ?

  The SAP error message DB6PM789 DBCFG - PCKCACHESZ indicates that the parameter PCKCACHESZ (which stands for "Packet Cache Size") is set to a value lower than the recommended minimum of 5120. This parameter is crucial for the performance of the database connection, particularly in environments with high transaction volumes or large data sets.
  Cause:
  The error occurs when the current configuration of the database does not meet the performance requirements set by SAP. Specifically, the PCKCACHESZ parameter is not configured to the recommended minimum value, which can lead to performance degradation, increased latency, or even connection issues.
  Solution:
  To resolve this error, you need to increase the value of the PCKCACHESZ parameter to at least 5120. 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 is typically done through a database management tool or command line interface.
  
  
  
  Modify the Parameter:
  
  Locate the PCKCACHESZ parameter in the configuration settings.
  Change its value to at least 5120. If you are unsure about the exact syntax or method to change this parameter, refer to the documentation specific to your database system.
  
  
  
  Restart the Database:
  
  After making the changes, you may need to restart the database for the new settings to take effect.
  
  
  
  Verify the Change:
  
  Once the database is restarted, verify that the PCKCACHESZ parameter is set correctly by querying the database configuration.
  
  
  
  Monitor Performance:
  
  After making the change, monitor the performance of the SAP system to ensure that the issue is resolved and that there are no further performance-related errors.
  
  
  
  Related Information:
  
  Documentation: Always refer to the official SAP documentation and your specific database documentation for detailed instructions on parameter changes.
  Performance Tuning: Adjusting database parameters is part of performance tuning. It is advisable to review other related parameters that may also impact performance.
  Backup Configuration: Before making any changes to the database configuration, ensure that you have a backup of the current settings in case you need to revert.
  
  By following these steps, you should be able to resolve the DB6PM789 error and improve the performance of your SAP system.