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19.2.2. Strategy: read only
If your application needs to read but never modify instances of a persistent class, a
read-only
cache may be used. This is the simplest and best performing strategy. It's even perfectly safe for use in a cluster.
<class name="eg.Immutable" mutable="false"> <cache usage="read-only"/> .... </class>
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19.2. The Second Level Cache
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19.2.3. Strategy: read/write
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