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FAQ: Coherence Federation Cluster (Doc ID 2923619.1)

Last updated on MARCH 01, 2023

Applies to:

Oracle Coherence - Version and later
Information in this document applies to any platform.


The Coherence federated caching feature is used to link multiple clusters so that cache data is automatically synchronized between clusters. This document answers various questions while setting up federation between the clusters across the DCs (Data Centers) or geo-sites.

Questions and Answers

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In this Document
Questions and Answers
 What message to look for in the log for Federation Participants Connection Issue?
 What is the default unit for the federation connection bandwidth? 
 Do I need to use 'remote-addresses' for the participants, not 'name-service-addresses'?
 Is a topology name required for the federated cache schemes?
 What happens to the participants if no topology is defined in the federation-config in the operational override config?
 How to limit the federated cache service resource usage?
 Can I disable the use of elastic data for Federated scheme caches and Federation internal Journal caches?
 What is journalcache-backing-map-scheme?
 How to Exclude Caches from being Federated?
 How to Use a Specific Network Interface for Federation Communication?
 How to Load Balance the Federated Connections between the Cluster Participants?

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