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WSO2 Identity Server provides set of APIs to invalidate the attribute cache or cache entries whenever external attribute sources are updated. Attribute Cache is distributed among cluster nodes using Hazelcast caching implementation. Therefore we do not want to worry about the The distribution of cache invalidation messages among cluster nodes is done very efficiently.
Decision Cache
- PDP Decision cache must be invalidated, when policy cache updated, attribute cache is invalidated and global policy combining algorithm is updated.
- Cache invalidation messages must be distributed among clustered PDPs
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