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From Wilfred Spiegelenburg <wilfr...@apache.org>
Subject Re: Application Master High Availability
Date Tue, 11 Aug 2020 05:10:15 GMT
Hi Bharath,

No, there is no HA for AMs.
AMs are also not part of YARN itself; the AM framework is provided as part
of YARN.
The implementation of the AM is part of the application (like Spark or
MapReduce)

Wilfred

On Tue, 11 Aug 2020 at 10:18, Bharath Kumara Subramanian <
codin.martial@gmail.com> wrote:

> Hi,
>
> I am looking for more documentation/information on AM high availability. I
> looked through the documentation and found resources on RM high
> availability but none for AM.
>
> I understand, YARN has provisions to restart AM in case of failure up to a
> configured number of attempts. However, I wanted to know if YARN has an
> active/standby option for AM. I would like to avoid bringing up the
> processing containers again in the event of AM failure and have the standby
> AM take over the managing my application.
>
> Thanks,
> Bharath
>

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