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https://issues.apache.org/jira/browse/SPARK-7003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron Davidson resolved SPARK-7003.
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Resolution: Fixed
Fix Version/s: 1.4.0
> Improve reliability of connection failure detection between Netty block
> transfer service endpoints
> --------------------------------------------------------------------------------------------------
>
> Key: SPARK-7003
> URL: https://issues.apache.org/jira/browse/SPARK-7003
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.3.1
> Reporter: Aaron Davidson
> Assignee: Aaron Davidson
> Fix For: 1.4.0
>
>
> Currently we rely on the assumption that an exception will be raised and the
> channel closed if two endpoints cannot communicate over a Netty TCP channel.
> However, this guarantee does not hold in all network environments, and
> SPARK-6962 seems to point to a case where only the server side of the
> connection detected a fault.
> We should improve robustness of fetch/rpc requests by having an explicit
> timeout in the transport layer which closes the connection if there is a
> period of inactivity while there are outstanding requests.
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