How To Fix SDBALM069 - Usage of the data cache in %

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 069

• Message text: Usage of the data cache in %

Data Collector
<ZH>Collector B</>
(RZ20 -> SAP CCMS Technical Experts Monitors -> All Monitoring Contexts
,,-> <Name of the database connection> -> Collectors and Internals
-> Collectors -> Collector B)

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Preset runtime interval of Collector B: 15 minutes

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM069 - Usage of the data cache in % ?

  The SAP error message SDBALM069 indicates that the usage of the data cache in the system has reached a certain threshold, which can lead to performance issues or even system instability if not addressed. This message is part of the database performance monitoring and is related to the database's memory management.
  Cause:
  The error message SDBALM069 typically arises due to one or more of the following reasons:
  
  High Data Cache Usage: The data cache is being utilized heavily, which may indicate that the system is processing a large volume of data or that there are inefficient queries being executed.
  Insufficient Memory Allocation: The database may not have enough memory allocated to handle the current workload, leading to high cache usage.
  Inefficient Database Design: Poorly designed database schemas or indexes can lead to excessive data being loaded into the cache.
  Increased Workload: A sudden increase in user activity or background jobs can lead to higher cache usage.
  
  Solution:
  To resolve the SDBALM069 error, consider the following steps:
  
  Monitor Cache Usage: Use transaction codes like ST02 (Buffer Monitor) or ST04 (Database Performance Monitor) to analyze the cache usage and identify any bottlenecks.
  Increase Memory Allocation: If the cache usage is consistently high, consider increasing the memory allocation for the database. This can be done by adjusting the database parameters.
  Optimize Queries: Review and optimize SQL queries that are consuming excessive resources. Use the SQL trace (ST05) to identify long-running queries.
  Database Maintenance: Perform regular database maintenance tasks such as updating statistics, reorganizing tables, and rebuilding indexes to improve performance.
  Review Application Logic: Check the application logic to ensure that it is not causing unnecessary data loads into the cache.
  Adjust Cache Parameters: Depending on the database being used (e.g., Oracle, SQL Server, etc.), you may need to adjust specific cache parameters to better suit your workload.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SDBALM069 for any specific recommendations or patches that may address the issue.
  Database Documentation: Refer to the documentation for your specific database system for best practices on memory management and cache optimization.
  Performance Tuning: Consider engaging in performance tuning sessions to identify and rectify any underlying issues contributing to high cache usage.
  
  By following these steps, you should be able to mitigate the issues related to the SDBALM069 error and improve the overall performance of your SAP system.