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https://issues.apache.org/jira/browse/OFBIZ-4220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Philippe Mouawad updated OFBIZ-4220:
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Comment: was deleted
(was: Fix to the issue
Philippe
http://www.ubik-ingenierie.com)
> Current implementation of UtilCache has a memory leak
> -----------------------------------------------------
>
> 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
> Labels: CACHE, LEAK, MEMORY
>
> Hello,
> Since some time UtilCache has been updated to replace the WeakHashMap by a
> ConcurrentHashMap:
> private static final ConcurrentHashMap<String, UtilCache<?, ?>>
> utilCacheTable = new ConcurrentHashMap<String, UtilCache<?, ?>>();
> I think this fix to concurrency issues has introduced a memory leak or at
> least a much bigger impact on Memory.
> Indeed descendent of AbstractCache (particularly
> AbstractEntityConditionCache, EntityListCache) tend to create many caches
> that do not need to always persist in time.
> The old WeakHashMap handled this by enabling them to disappear while today
> the Hard ref disables this.
> We made some load testing and current implementation ends with an OutOfMemory.
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