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https://issues.apache.org/jira/browse/OFBIZ-6747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17615501#comment-17615501
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Jacques Le Roux commented on OFBIZ-6747:
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This is not an easy work. There are 289 occurrences of UtilCache class usage in
both Java and Groovy files. And the UtilCache and Caffeine APIs are of course
different. It does not mean that we can't do it. But that's a huge and risky
task...
> Replace ConcurrentLinkedHashMap by Caffeine
> -------------------------------------------
>
> Key: OFBIZ-6747
> URL: https://issues.apache.org/jira/browse/OFBIZ-6747
> Project: OFBiz
> Issue Type: Task
> Components: ALL COMPONENTS
> Reporter: Ben Manes
> Assignee: Jacques Le Roux
> Priority: Minor
>
> Similar to OFBIZ-3779, please consider upgrading the library used by
> [UtilCache|https://github.com/apache/ofbiz/blob/trunk/framework/base/src/main/java/org/apache/ofbiz/base/util/cache/UtilCache.java]
> (v1.2). The current version is 1.4.2 and is the last major release planned.
> The preferable alternative would be to upgrade to
> [Caffeine|https://github.com/ben-manes/caffeine]. This is a Java 8 rewrite
> based on what I've learned since developing CLHM and Guava's cache. As
> expected it provides [superior
> performance|https://github.com/ben-manes/caffeine/wiki/Benchmarks]. It also
> provides a [near
> optimal|https://github.com/ben-manes/caffeine/wiki/Efficiency] eviction
> policy.
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