Bela Hullar created VFS-512:
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Summary: 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
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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