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The Rete network consumes a large amount of the available memory in the JVM. You can use cache modes to tune the performance of your application, and reduce its footprint in memory. As explained in Between Cache and Rete Network: Cache Modes, with Cache OM, you can keep memory objects in the cache or Rete network using the following cache modes:This section describes the cache modes available in more detail, and explains how to use them appropriately. For configuration details, see Chapter 28, Domain Objects Configuration in TIBCO BusinessEvents Developer’s Guide.
See Loading Cache Only Objects into the Rete Network for important information about how use of the Cache Only mode affects your project design.
See Concept Relationships for more details about the relationships between concepts.With the cache plus memory setting (Cache+Memory), the entity objects are serialized and are always available in cache. There is one object in the cache (in a logical sense), and any number of references (handles) to that object in each JVM. References to the entities are tracked in the working memory so they can be deserialized and retrieved from the cache when needed by the engine.
Setting Scorecards to Memory Only Mode In a cache-based project, setting scorecards to Memory Only mode can improve performance.Fault Tolerance Limitation Entities that use Memory Only cache mode are not recoverable in fault tolerance failover or failback situations.
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