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From Saisai Shao <>
Subject Re: Port to open for submitting Spark on Yarn application
Date Mon, 04 Sep 2017 01:43:02 GMT
I think is not used any more, so you don't need to
consider this.

If you're running Spark on YARN, I think some YARN RM port to submit
applications should also be reachable via firewall, as well as HDFS port to
upload resources.

Also in the Spark side, executors will be connected to driver via
spark.driver.port, maybe you should also set a fixed port number for this
and add to white list of firewall.


On Mon, Sep 4, 2017 at 8:50 AM, Satoshi Yamada <
> wrote:

> Hi,
> In case we run Spark on Yarn in client mode, we have firewall for Hadoop cluster,
> and the client node is outside firewall, I think I have to open some ports
> that Application Master uses.
> I think the ports is specified by "" as document says.
> But, according to the source code, is deprecated since 2.0.
> Does this mean we do not need to open particular ports of firewall for
> Spark on Yarn?
> Thanks,

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