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https://issues.apache.org/jira/browse/HDFS-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465721#comment-13465721
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Robert Joseph Evans commented on HDFS-3373:
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Makes since. Because it is such a straight forward patch I feel OK checking
the code in. Thanks for the work John.
> FileContext HDFS implementation can leak socket caches
> ------------------------------------------------------
>
> Key: HDFS-3373
> URL: https://issues.apache.org/jira/browse/HDFS-3373
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Affects Versions: 0.23.3, 2.0.0-alpha, 3.0.0
> Reporter: Todd Lipcon
> Assignee: John George
> Fix For: 2.0.3-alpha
>
> Attachments: HDFS-3373.branch-23.patch, HDFS-3373.branch23.patch,
> HDFS-3373.trunk.patch, HDFS-3373.trunk.patch.1, HDFS-3373.trunk.patch.2,
> HDFS-3373.trunk.patch.3, HDFS-3373.trunk.patch.3, HDFS-3373.trunk.patch.4
>
>
> As noted by Nicholas in HDFS-3359, FileContext doesn't have a close() method,
> and thus never calls DFSClient.close(). This means that, until finalizers
> run, DFSClient will hold on to its SocketCache object and potentially have a
> lot of outstanding sockets/fds held on to.
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