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https://issues.apache.org/jira/browse/SPARK-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152594#comment-14152594
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Andrew Ash commented on SPARK-3736:
-----------------------------------
I can't tell for sure but this is possibly related to SPARK-704 or SPARK-1771
> Workers should reconnect to Master if disconnected
> --------------------------------------------------
>
> Key: SPARK-3736
> URL: https://issues.apache.org/jira/browse/SPARK-3736
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.0.2, 1.1.0
> Reporter: Andrew Ash
>
> In standalone mode, when a worker gets disconnected from the master for some
> reason it never attempts to reconnect. In this situation you have to bounce
> the worker before it will reconnect to the master.
> The preferred alternative is to follow what Hadoop does -- when there's a
> disconnect, attempt to reconnect at a particular interval until successful (I
> think it repeats indefinitely every 10sec).
> This has been observed by:
> - [~pkolaczk] in
> http://apache-spark-user-list.1001560.n3.nabble.com/Workers-disconnected-from-master-sometimes-and-never-reconnect-back-td6240.html
> - [~romi-totango] in
> http://apache-spark-user-list.1001560.n3.nabble.com/Re-Workers-disconnected-from-master-sometimes-and-never-reconnect-back-td15335.html
> - [~aash]
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