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https://issues.apache.org/jira/browse/HADOOP-6207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13435649#comment-13435649
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Colin Patrick McCabe commented on HADOOP-6207:
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bq. hdfsJniHelper.c: constructNewArrayString -> reference to newly created
string is not released after it has been added to array. This leads to leaks
when the array is destroyed, as all strings have reference count of at least
one.
constructNewArrayString got deleted because it was buggy and not actually used
by anyone.
bq. hdfs.c: hdfsOpen -> reference to jAttrString is never destroyed, resulting
in leak
I can't find jAttrString in the new code; it seems to have been removed by an
earlier change.
bq. fuse-dfs.c: When a file is closed, the reference to the file system object
is not destroyed.
Fixed by HDFS-3608, which added a background thread which cleans up unused
connections.
It seems like we should close this bug because these issues have been resolved.
> libhdfs leaks object references
> -------------------------------
>
> Key: HADOOP-6207
> URL: https://issues.apache.org/jira/browse/HADOOP-6207
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Brian Bockelman
>
> libhdfs leaks many objects during normal operation. This becomes exacerbated
> by long-running processes (such as FUSE-DFS).
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