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https://issues.apache.org/jira/browse/HADOOP-11161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14161236#comment-14161236
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Aaron T. Myers commented on HADOOP-11161:
-----------------------------------------
Heads up that if there are no further comments on this I'm going to commit the
latest patch some time tomorrow most likely.
> Expose close method in KeyProvider to give clients of Provider
> implementations a hook to release resources
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-11161
> URL: https://issues.apache.org/jira/browse/HADOOP-11161
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: HADOOP-11161.1.patch, HADOOP-11161.2.patch,
> HADOOP-11161.3.patch
>
>
> The {{KMSClientProvider}} class needs to be have a {{close()}} method to
> shutdown back ground executor threads.
> The {{DFSClient}} creates an instance of a {{KeyProvider}} during
> initialization. If this KP is a {{KMSClientProvider}}, this needs to be
> closed to prevent thread leakage
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