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From "Larry McCay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11161) Expose close method in KeyProvider to give clients of Provider implementations a hook to release resources
Date Fri, 03 Oct 2014 19:57:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14158442#comment-14158442
] 

Larry McCay commented on HADOOP-11161:
--------------------------------------

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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