Nemon Lou created HADOOP-10613:
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Summary: Potential Resource Leaks in FileSystem.CACHE
Key: HADOOP-10613
URL: https://issues.apache.org/jira/browse/HADOOP-10613
Project: Hadoop Common
Issue Type: Bug
Components: fs
Affects Versions: 2.4.0
Reporter: Nemon Lou
There is no size limit of the hashmap in FileSystem.CACHE, which can cause a
potential memory leak.
If every time i use a new UGI object to invoke FileSystem.get(conf) and never
invoke FileSystem's close method,this issue will raise.
If there is a size limit of the hashmap or changing fileSystem instances to
soft reference,then user's code don't need to consider too much about the cache
leak issues.
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