How To Fix CSM_VMC084 - Average Size of All Active Cache Regions

SAP Error Message - Details

• Message type: E = Error

• Message class: CSM_VMC - Messages for VM Container Monitoring

• Message number: 084

• Message text: Average Size of All Active Cache Regions

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CSM_VMC084 - Average Size of All Active Cache Regions ?

  The SAP error message CSM_VMC084, which refers to the "Average Size of All Active Cache Regions," typically indicates that the average size of the cache regions in the SAP system is exceeding a certain threshold. This can lead to performance issues, as the system may struggle to manage memory effectively.
  Cause:
  
  High Data Volume: A large amount of data being cached can lead to increased memory usage.
  Configuration Issues: Incorrect configuration of cache parameters can result in inefficient memory usage.
  Inefficient Queries: Poorly optimized queries may lead to excessive caching of data.
  Increased User Load: A sudden increase in the number of users or transactions can lead to higher cache usage.
  Long-running Transactions: Transactions that take a long time to complete can hold onto cache longer than necessary.
  
  Solution:
  
  Monitor Cache Usage: Use transaction codes like ST02 (Tune Summary) to monitor the buffer and cache usage. This will help identify which areas are consuming the most memory.
  Adjust Cache Parameters: Review and adjust the cache parameters in the SAP system. This can be done in transaction RZ10 or RZ11 depending on the parameter.
  Optimize Queries: Review and optimize any queries that may be causing excessive caching. This may involve indexing or rewriting queries for better performance.
  Increase Memory Allocation: If the system has the capacity, consider increasing the memory allocated to the cache regions.
  Regular Maintenance: Implement regular maintenance tasks to clear out old or unused cache entries.
  Review Application Design: If applicable, review the design of the application to ensure that it is not unnecessarily caching large amounts of data.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to cache management.
  Performance Tuning: Consider engaging in performance tuning sessions to identify bottlenecks in the system.
  Documentation: Refer to SAP documentation for best practices on cache management and performance optimization.
  System Monitoring Tools: Utilize SAP monitoring tools like Solution Manager to keep track of system performance and cache usage over time.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the issues related to the CSM_VMC084 error message and improve the overall performance of your SAP system.