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Posted to dev@directory.apache.org by "Emmanuel Lecharny (JIRA)" <ji...@apache.org> on 2013/08/22 18:57:54 UTC

[jira] [Created] (MAVIBOT-11) Add a cache to replace the weakReferences

Emmanuel Lecharny created MAVIBOT-11:
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             Summary: Add a cache to replace the weakReferences
                 Key: MAVIBOT-11
                 URL: https://issues.apache.org/jira/browse/MAVIBOT-11
             Project: Mavibot
          Issue Type: Improvement
    Affects Versions: 1.0.0-M1
            Reporter: Emmanuel Lecharny
            Assignee: Emmanuel Lecharny
            Priority: Critical
             Fix For: 1.0.0-M2


We currently use a WeakReference to hold elements in memory. This is convenient, but when we have exhausted the memory, the GC takes forever to reclaim the weakReferences, slowing down the code up to a point it's unusable.

We should rather use a LRU Cache to store a limited amount of elements, and make it configurable.

We should keep the WeakReferences for those having enough memory. (to be discussed)

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