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https://issues.apache.org/jira/browse/HDFS-7718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-7718:
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Summary: Store KeyProvider in ClientContext to avoid leaking key provider
threads when using FileContext (was: DFSClient objects created by
AbstractFileSystem objects created by FileContext are not closed and results in
thread leakage)
> Store KeyProvider in ClientContext to avoid leaking key provider threads when
> using FileContext
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-7718
> URL: https://issues.apache.org/jira/browse/HDFS-7718
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: HDFS-7718.1.patch, HDFS-7718.2.patch, HDFS-7718.3.patch,
> HDFS-7718.3.patch
>
>
> Currently, the {{FileContext}} class used by clients such as (for eg.
> {{YARNRunner}}) creates a new {{AbstractFilesystem}} object on
> initialization.. which creates a new {{DFSClient}} object.. which in turn
> creates a KeyProvider object.. If Encryption is turned on, and https is
> turned on, the keyprovider implementation (the {{KMSClientProvider}}) will
> create a {{ReloadingX509TrustManager}} thread per instance... which are never
> killed and can lead to a thread leak
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