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OpenAM by Indira Thangasamy

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Caching and notification

For the LDAPv3Repo, the key feature that enables it to perform and scale is the caching of results set for each client query, without which it would be impossible to achieve the performance and scalability. When caching is employed there is a possibility that clients could get stale information about identities. This can be avoided by keeping the cache cleaned up periodically or having an external event dirty the cache so new values can be cached. OpenSSO provides more than one way to tackle this caching and notification. There are a couple of ways in which the cache can be invalidated and refreshed.

The Identity Repository design relies broadly on two types of mechanisms to refresh the IdRepo cache. They are:

  • Persistent ...

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