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https://issues.apache.org/jira/browse/GROOVY-7977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King reopened GROOVY-7977:
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> Refine the implementation of LRUCache
> -------------------------------------
>
> Key: GROOVY-7977
> URL: https://issues.apache.org/jira/browse/GROOVY-7977
> Project: Groovy
> Issue Type: Improvement
> Affects Versions: 2.4.7
> Reporter: Daniel Sun
> Assignee: Daniel Sun
> Priority: Minor
> Fix For: 3.0
>
> Attachments: text.html, text.html, text.html, text.html, text.html,
> text.html, text.html, text.html
>
>
> I found the LRUCache that Groovy is using is not efficient enough
> because it is based on Collections.synchronizedMap, the LRUCache is used by
> some important classes(e.g. ProxyGenerator, Closure), so it can impact the
> performance somehow.
> I propose to replace the implementation with
> Caffeine(https://github.com/ben-manes/caffeine), which is a high performance
> caching library for Java 8 and licensed under APL2.
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