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https://issues.apache.org/jira/browse/OFBIZ-4220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13009164#comment-13009164
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Erwan de FERRIERES commented on OFBIZ-4220:
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Hi Philippe,
I just saw there is also a newer lib version at
http://code.google.com/p/concurrentlinkedhashmap/.
Is there any point in updating too ?
Change log:
This version provides incremental improvements based on user feedback.
* Fixes issue 20 , which identified a race condition when updating a
value's weight.
* Reduces memory usage by optimizing the buffering of recency operations.
* Reduces read contention by improving how a recency buffer is selected.
* Strict LRU reordering by a more intelligent draining algorithm.
* Support for limiting the capacity through a plug-in strategy.
> Current implementation of UtilCache has a memory leak if maxInMemory is set
> ---------------------------------------------------------------------------
>
> Key: OFBIZ-4220
> URL: https://issues.apache.org/jira/browse/OFBIZ-4220
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Affects Versions: SVN trunk
> Environment: ALL
> Reporter: Philippe Mouawad
> Priority: Critical
> Labels: CACHE, LEAK, MEMORY
> Attachments: TestMemoryLeak.java, leak.png, patch-4220.patch
>
>
> If maxInMemory is set on caches, then current implementation will leak if
> many puts are done in cache.
> We made some load testing and current implementation ends very rapidly in an
> OutOfMemory.
> Philippe Mouawad
> http://www.ubik-ingenierie.com
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