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https://issues.apache.org/jira/browse/TEZ-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14075078#comment-14075078
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Siddharth Seth commented on TEZ-1203:
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[~bikassaha] - is this already fixed as part of the TezClient/TezSession merge ?
> TezClient and TezSession doesn't stops/close YarnClient
> -------------------------------------------------------
>
> Key: TEZ-1203
> URL: https://issues.apache.org/jira/browse/TEZ-1203
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Subroto Sanyal
>
> The _org.apache.tez.client.TezClient_ creates a
> _org.apache.hadoop.yarn.client.api.YarnClient_ to submit an DAG application
> to cluster but, no apis exist to stop/close the
> org.apache.hadoop.yarn.client.api.YarnClient object residing inside.
> Same is the case with _org.apache.tez.client.TezSession_ which doesn't close
> the _org.apache.hadoop.yarn.client.api.YarnClient_ object in stop() call.
> From [~sseth]:
> {quote}I think this is just an oversight. The YarnClient created by the
> TezClient
> could also be shared with the DAGClient that is returned after submitting
> an application. Eventually, the connection will end up timing out at the
> RPC level.{quote}
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