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Last Modified20-Oct-2020
Added to KB20-Oct-2020
Public AccessEveryone
Doc TypeGuidelines, Concepts & Cookbooks
ProductICM 7.10

Guide - New Cache API - Configuration and Metrics

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1 Introduction

With release, a new Cache API is introduced, which allows fine grained configuration and invalidation. The new caches are based on Guava cache implementation.

2 Migration

Existing caches must not be migrated, but we recommend to use the new cache API as soon as possible. Some features are:

  • Fully configurable via properties
  • Allow weak references for keys and weak or soft references for values
  • Definition of initial and maximum size
  • Monitoring of caches (sizes, cache hit ration) via Prometheus /metrics endpoint (since version


After introduction the promotion cache was reworked ( Unfortunately, the default configuration of caches leads to an high memory usage of that cache. So we strongly recommend to configure the cache manually.


2.1 Documents


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