Caching in a Cluster Setup
Is external caching required for caching in a cluster setup?
Yes, in order to synchronize cache data between clustered servers, Decisions takes advantage of Redis for external caching. Redis can store information about which server owns a cache for Flow engine data. In addition, Redis also functions as a Pub-Sub model. This means that when cached data is updated on one system, the changes get broadcasted to all other server in real time. Therefore, external caching through Redis is required for caching in a cluster setup.
Related Article: https://documentation.decisions.com/docs/setting-up-redis-external-caching?highlight=external%20caching
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