[jira] [Resolved] (SPARK-20531) Spark master shouldn't send its address back to the workers over proxied connections

["Shixiong Zhu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-20531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shixiong Zhu resolved SPARK-20531.
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    Resolution: Duplicate

> Spark master shouldn't send its address back to the workers over proxied connections
> ------------------------------------------------------------------------------------
>
>                 Key: SPARK-20531
>                 URL: https://issues.apache.org/jira/browse/SPARK-20531
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.6.3, 2.0.2, 2.1.2, 2.2.0
>            Reporter: Sameer Agarwal
>
> Currently, when a Spark worker connects to Spark master, the master sends its address back to the worker (as part of the {{RegisteredWorker}} message). The worker then saves this address and use it to talk to the master. The reason behind this handshake protocol is that if the master goes down, a new master can always send back {{RegisteredWorker}} messages to all the workers with its (new) IP address.
> However, if there is a proxy between the master and worker, this unfortunately ends up bypassing the proxy. A simple fix here is that we should encode the  "destination address" in the {{RegisterWorker}} that can then be sent back to the to the worker as part of the {{RegisteredWorker}} message.
> cc [~zsxwing]



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