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From "Thomas Vandahl (JIRA)" <>
Subject [jira] [Resolved] (JCS-54) soft reference memory cache
Date Sun, 07 Feb 2016 18:05:39 GMT


Thomas Vandahl resolved JCS-54.
       Resolution: Fixed
         Assignee: Thomas Vandahl  (was: Aaron Smuts)
    Fix Version/s: jcs-2.0-beta-2

Applied modified patch

> soft reference memory cache
> ---------------------------
>                 Key: JCS-54
>                 URL:
>             Project: Commons JCS
>          Issue Type: Improvement
>    Affects Versions: jcs-1.3
>         Environment: mac, java 6
>            Reporter: Tore Halset
>            Assignee: Thomas Vandahl
>             Fix For: jcs-2.0-beta-2
>         Attachments:,
> I am caching some huge objects in a JCS disc cache. The objects are 3-15MB in serialized
size and there are a lot of them. The normal setup with a LRUMemoryCache and a IndexedDiskCache
works fine, but I would like to store as many objects in ram as possible without risking going
out of ram. To get to this goal I have created a SoftReferenceMemoryCache that is based on
a ConcurrentHashMap<Serializable, SoftReference<ICacheElement>>
> This task is to track the work and discuss this with others. Or perhaps get some feedback
that this is not a good idea.

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