Arun Suresh created HADOOP-11161:
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Summary: 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
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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