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From "Jacques Le Roux (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OFBIZ-6747) Replace ConcurrentLinkedHashMap by Caffeine
Date Sat, 09 Jun 2018 12:27:00 GMT

    [ https://issues.apache.org/jira/browse/OFBIZ-6747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16506951#comment-16506951
] 

Jacques Le Roux commented on OFBIZ-6747:
----------------------------------------

Good point Mathieu,

For history: [~doogie] was at the initiative: https://s.apache.org/b465 then OFBIZ-3779

For the rest I agree, it just needs an effort I don't want currently put into :) (other priorities,
even in OFBiz)

> Replace ConcurrentLinkedHashMap by Caffeine
> -------------------------------------------
>
>                 Key: OFBIZ-6747
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-6747
>             Project: OFBiz
>          Issue Type: Task
>            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/org/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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