Thanks for bringing this up, Boxiu.

The problem make sense to me. For me the concern is should we limit the
priorities to 1-9 or not.


I think it would be good to open a jira issue and have the discussion
there.


Thank you~

Xintong Song



On Wed, Jul 31, 2019 at 12:22 PM tian boxiu <boswell....@gmail.com> wrote:

> To: user@flink.apache.org
> Title: Support priority of the Flink YARN application in Flink 1.9
>
> Hello everyone,
>
> Many of our batch jobs have changed the execution engine from spark to
> flink. The flink is deployed on the yarn cluster. In some scenarios,
> high-priority core tasks need to be submitted on the preemptive queue.
> Previously, when running in spark, users configured the spark.yarn.priority
> to control the priority, ranging from 1 to 9.
>
> Currently, flink 1.9 does not support yarn priority submission. The
> default priority of yarn submission jobs is 1. Based on this, we
> implemented the submission of the priority range from 1 to 9(from low to
> high priority). When the user does not configure the parameters, the
> priority is still 1. After we push the new feature online in June, The
> system has been tested to run properly.
>
> So I want to create an issue and push the improvement back to community.
> Hope someone can review it, thanks~
>
> Boxiu
>

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