How To Fix SDBALM090 - Hit rate of the converter cache in %

SDBALM090 - Overview

• Message type: E = Error

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

• Message number: 090

• Message text: Hit rate of the converter 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
after 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 SDBALM090 - Hit rate of the converter cache in % ?

  The SAP error message SDBALM090 indicates that the hit rate of the converter cache is below a certain threshold, which can lead to performance issues in the system. This message is part of the database performance monitoring in SAP, specifically related to the database interface and the conversion of data types.
  
  Cause:
  The hit rate of the converter cache is a measure of how often the system can find the required data in the cache rather than having to retrieve it from the database. A low hit rate can be caused by several factors, including:
  
  Insufficient Cache Size: The cache may not be large enough to hold all the necessary data, leading to frequent cache misses.
  High Data Volume: A large volume of data being processed can lead to cache eviction, where older entries are removed to make space for new ones.
  Frequent Changes in Data: If the underlying data changes frequently, the cache may