How To Fix SDBALM078 - Usage of the heap in KB

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 078

• Message text: Usage of the heap in KB

Description
This node is delivered with the threshold value 2,000,000,000 KB for all
alerts. You should adjust the threshold values appropriately for your
system.
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 SDBALM078 - Usage of the heap in KB ?

  The SAP error message SDBALM078 indicates that the usage of the heap memory in kilobytes (KB) has exceeded a certain threshold. This message is part of the database monitoring and performance management in SAP systems, particularly related to the database buffer and memory management.
  Cause:
  The error typically arises due to one or more of the following reasons:
  
  High Memory Usage: The application or database is consuming more memory than what is allocated or recommended, leading to performance degradation.
  Inefficient Queries: Poorly optimized SQL queries can lead to excessive memory consumption.
  Inadequate Configuration: The database parameters related to memory allocation may not be configured optimally for the workload.
  Memory Leaks: There could be memory leaks in the application or database processes that are causing memory to be consumed without being released.
  Increased Load: A sudden increase in user load or data processing can lead to higher memory usage.
  
  Solution:
  To resolve the SDBALM078 error, consider the following steps:
  
  Monitor Memory Usage: Use transaction codes like ST02 (Tune Summary) or ST03 (Workload Analysis) to monitor memory usage and identify the processes consuming excessive memory.
  Optimize Queries: Review and optimize SQL queries that are running on the database. Use tools like SQL Trace (ST05) to analyze query performance.
  Adjust Database Parameters: Review and adjust the database configuration parameters related to memory allocation. This may involve increasing the heap size or other relevant parameters.
  Check for Memory Leaks: Investigate the application for potential memory leaks. This may require debugging or profiling the application code.
  Increase Hardware Resources: If the workload has increased significantly, consider upgrading the hardware resources (CPU, RAM) to accommodate the demand.
  Database Maintenance: Perform regular database maintenance tasks such as updating statistics, reorganizing tables, and cleaning up unused data to improve performance.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on memory management and performance tuning.
  SAP Community: Engage with the SAP Community forums for insights and experiences shared by other users facing similar issues.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools to gain insights into memory usage patterns and identify bottlenecks.
  
  By following these steps, you should be able to address the SDBALM078 error and improve the overall performance of your SAP system.