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https://issues.apache.org/jira/browse/TEZ-2627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14637060#comment-14637060
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Saikat commented on TEZ-2627:
-----------------------------
We can set negative priorities, but it will be capped to
yarn.cluster.max-application-priority.
for example is we submit with priority -2 but
yarn.cluster.max-application-priority = -1 then we will be capped to -1.(lower
the number higher the priority)
> Support for Tez Job Priorities
> ------------------------------
>
> Key: TEZ-2627
> URL: https://issues.apache.org/jira/browse/TEZ-2627
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Saikat
> Assignee: Saikat
>
> When a Tez Job is submitted via TezClient, an ApplicationSubmissionContext is
> created before submitting the job. ApplicationSubmissionContext has a
> priority field which can be used to provide a priority for the job.
> There is an ongoing effort in the Yarn Community to enable application
> priorities(https://issues.apache.org/jira/browse/YARN-1963).
> https://issues.apache.org/jira/browse/YARN-2003 implements the necessary
> changes in RM and Capacity Scheduler.
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