How To Fix RT170 - Utilized area of entire device cache (percentage)

RT170 - Overview

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 170

• Message text: Utilized area of entire device cache (percentage)

The device cache contains device definitions and server assignments for
all work processes. Entries are taken into the cache when they are
required. They can, however, also removed again, if there are no free
entries available.

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

INCLUDE BC_SPOOL_MOREINFO OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

RT170 - Details

• The SAP error message RT170, which indicates that the utilized area of the entire device cache has reached a certain percentage, typically relates to issues with the caching mechanism in SAP systems, particularly in the context of database performance and memory management.
  
  Cause:
  
  Cache Saturation: The device cache is full, meaning that the system has reached its limit for storing data in the cache. This can happen due to high data volume or inefficient cache management.
  High Workload: An increase in the number of transactions or data requests can lead to rapid cache utilization.
  
  Configuration Issues: Incorrect configuration settings for the cache size or parameters can lead to suboptimal cache performance.
  Data Access Patterns: If the data access patterns are not optimal, it can lead to frequent cache misses, causing the cache to fill up quickly.
  
  
  Solution:
  
  Increase Cache Size: If possible, increase the size of the device cache to accommodate more data. This can be done