Updating java cache

The benefit of the shared cache, is that once an object has been read, if it is read again using the operation, the database does not need to be accessed.Also if the object is read through any Query, it will not need to be rebuilt, and its relationships will not need to be re-fetched.The data grid has been built from the ground up to linearly scale to hundreds of nodes with strong semantics for data locality and affinity data routing to reduce redundant data noise.

See Introduction to Cache for details on these types.The limitation of the shared cache, is that if the database is changed directly through JDBC, or by another application or server, the objects in the shared cache will be stale.Eclipse Link offers several mechanism to deal with stale data including: Or can be selectively enabled/disabled using the @Cache annotation. Eclipse Link also offers several different caching strategies, the configure how many objects are cached, and how much memory is used.This way the more cluster nodes we add, the more data we can store: Apache Ignite is based on distributed memory-centric architecture that combines the performance and scale of in-memory computing together with the disk durability and strong consistency in one system: Ignite provides Spring-annotation-based way to enable caching for Java methods so that the result of a method execution is stored in the Ignite cache.If later the same method is called with the same set of parameters, the result will be retrieved from the cache instead of actually executing the method.

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