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From "Ben Manes (JIRA)" <>
Subject [jira] [Created] (CAY-2000) Java 8: ConcurrentLinkedHashMap -> Caffeine
Date Wed, 08 Apr 2015 05:28:12 GMT
Ben Manes created CAY-2000:

             Summary: Java 8: ConcurrentLinkedHashMap -> Caffeine
                 Key: CAY-2000
             Project: Cayenne
          Issue Type: Task
            Reporter: Ben Manes
            Priority: Minor

When Cayenne transitions to requiring Java 8, please upgrade to Caffeine. The performance
should be relatively the same. The per-instance memory usage should be smaller and Cayenne
may decide to opt-in to use some of the additional features. The only drawback is that Cayenne
embeds a copy of the cache (rather than shading) and the jar size is larger due to code generation.

ConcurrentLinkedHashMap changes will continue to be minimal, even more so now, and driven
by requests from Java 6 users unable to upgrade. Caffeine is ideally the upgrade path for
Guava cache users too, which due to Android cannot be significantly modified.


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