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https://issues.apache.org/jira/browse/HADOOP-11161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14158442#comment-14158442
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Larry McCay commented on HADOOP-11161:
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Yes, I think it is reasonable to address the need for init when it arises.
Thank you for asking.
Can someone just confirm my assertion that providers should only be used once
given this change?
[~owen.omalley] - do you have an opinion here?
> 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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