How To Fix SDBALM087 - Hit rate for the OMS rollback data in the data cache in %

SDBALM087 - Overview

• Message type: E = Error

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

• Message number: 087

• Message text: Hit rate for the OMS rollback data in the data cache in %

Description
The system calculates and displays the hitrate since the last run of
the data collector. In the case of the first run of the data collector
since a restart of the instance or after the Alert Monitor is started,
the system does not display a hitrate.
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 SDBALM087 - Hit rate for the OMS rollback data in the data cache in % ?

  The SAP error message SDBALM087 indicates that the hit rate for the Online Transaction Processing (OLTP) Message Server (OMS) rollback data in the data cache is below an acceptable threshold. This message is part of the SAP database performance monitoring and is related to the management of rollback segments in the database.
  
  Cause:
  The hit rate for the OMS rollback data can drop for several reasons, including:
  
  High Transaction Volume: A large number of transactions can lead to increased rollback data, which may not be efficiently cached.
  Insufficient Memory Allocation: If the memory allocated for the data cache is insufficient, it can lead to a lower hit rate as the system may need to frequently access the disk instead of the cache.
  Inefficient SQL Queries: Poorly optimized SQL queries can lead to excessive rollback data generation.
  Database 
  Configuration Issues: Incorrect database configuration settings can affect how rollback data is managed and cached.
  Frequent Rollbacks: If transactions are