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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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Arun Suresh updated HDFS-7718:
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Description: 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 (was: Currently, the {{FileContext}} class used by
clients such as (for eg. {{YARNRunner}}) creates new {{AbstractFilesystem}}
object on initialization.. which creates new {{DFSClient}} objects.. which in
turn creates KeyProvider objects.. If Encryption is turned on, and https is
turned on, the keyprovider implementation (the {{KMSClientProvider}}) will
create a {{ReloadingX509TrustManager}} per instance... which are never killed
and can leak)
> DFSClient objects created by AbstractFileSystem objects created by
> FileContext are not closed and results in thread leakage
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-7718
> URL: https://issues.apache.org/jira/browse/HDFS-7718
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Arun Suresh
> Assignee: Arun Suresh
>
> 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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