[jira] [Commented] (FLINK-2960) Communicate with JobManager through YARN proxy

["Robert Metzger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15027279#comment-15027279 ] 

Robert Metzger commented on FLINK-2960:
---------------------------------------

I would like to avoid doing the communication with YARN through the proxy by fixing this issue similar to Hadoop: https://issues.apache.org/jira/browse/FLINK-3074 (specifying an allowed port-range).
Disadvantages of this approach:
- we would have two communication paths for RPC messages
- we would also need to send the blobs like this (or through HDFS, again two communication paths)

The FLINK-3074 is MUCH easier to implement and will not completely mess up our architecture.

I'm closing the issue as won't fix. Please reopen it if you disagree.

> Communicate with JobManager through YARN proxy
> ----------------------------------------------
>
>                 Key: FLINK-2960
>                 URL: https://issues.apache.org/jira/browse/FLINK-2960
>             Project: Flink
>          Issue Type: Bug
>          Components: YARN Client
>    Affects Versions: 0.10.0
>            Reporter: Maximilian Michels
>
> In a secured environment, ports on the ApplicationMaster may be blocked. Thus, runtime messages have to pass through YARN interfaces and then be forwarded to the ApplicationMaster/JobManager.



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