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https://issues.apache.org/jira/browse/VFS-512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bernd Eckenfels updated VFS-512:
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Labels: leak (was: )
> LRUFilesCache grows arbitrarly
> ------------------------------
>
> Key: VFS-512
> URL: https://issues.apache.org/jira/browse/VFS-512
> Project: Commons VFS
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: Bela Hullar
> Labels: leak
>
> We are experiencing memory issues in our system where we have to scan very
> big directories. After doing some investigation it turned out that the cause
> of the issue is the caching of vfs.
> (http://mail-archives.apache.org/mod_mbox/commons-user/201312.mbox/browser)
> From this reason we tried out LRUFilesCache, but it seems this cache can
> still grow way beyond the limit.
> This can be reproduced with a simple test code:
> https://sourceforge.net/p/screeningbee/code/HEAD/tree/trunk/vfs-cache-test/src/main/java/ch/systemsx/bee/vfscachetest/CacheSizeChecker.java
> In this example we set the max size of lru to 100, but running a while this
> example and then checking the heap of the program showed that the real size
> of the map can be 10 000 or more too. And it seems its growing constantly.
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