How To Fix SDBALM081 - Setting of the parameter OMS_HEAP_LIMIT

SDBALM081 - Overview

• Message type: E = Error

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

• Message number: 081

• Message text: Setting of the parameter OMS_HEAP_LIMIT

Description
The heap usage in % can only be calculated if the upper limit of the
heap size is known through a value > 0 for parameter OMS_HEAP_LIMIT. If
OMS_HEAP_LIMIT has the value 0, the system does not display any
information in the "Heap Usage" node.
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 SDBALM081 - Setting of the parameter OMS_HEAP_LIMIT ?

  The SAP error message SDBALM081, which pertains to the parameter OMS_HEAP_LIMIT, typically indicates that the limit for the heap memory allocated to the Online Message Service (OMS) has been reached or is not set correctly. This can lead to performance issues or failures in message processing within the SAP system.
  
  Cause:
  
  Heap Memory Limit Reached: The OMS is unable to allocate more memory because it has reached the configured limit.
  
  Configuration Issues: The parameter OMS_HEAP_LIMIT may not be set appropriately for the workload or the system's available resources.
  High Load: An increase in the number of messages being processed or a spike in system load can lead to the heap limit being reached.
  Memory Leaks: There may be underlying issues in the application or configuration that are causing memory leaks, leading to exhaustion of available heap memory.
  
  
  Solution:
  
  
  Increase OMS_HEAP_LIMIT:
  
  You can increase the value of the OMS_HEAP_LIMIT parameter. This can be done through the SAP transaction code