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From "Richard Zhang (Jira)" <>
Subject [jira] [Resolved] (HIVE-22103) Yarn-Service is not launched with higher priority by HS2
Date Wed, 02 Oct 2019 20:51:00 GMT


Richard Zhang resolved HIVE-22103.
    Resolution: Not A Bug

> Yarn-Service is not launched with higher priority by HS2
> --------------------------------------------------------
>                 Key: HIVE-22103
>                 URL:
>             Project: Hive
>          Issue Type: Task
>          Components: HiveServer2, llap
>    Affects Versions: 3.1.0
>            Reporter: Sampada Dehankar
>            Assignee: Richard Zhang
>            Priority: Major
> In Hive 3.x, Yarn-Service is used to launch llap-daemons. If a container (llap-daemon)
is killed and there are pending Tez AMs, the llap-daemon container might not get launched
as the available resources can be utilized by Tez AMs.
> This happens as Yarn-Service and Tez AMs both are launched with the same Yarn Application
priority (0). Due to this, which of the two would get the resource is uncertain.
> In the previous versions on Hive, this issue was not present as Slider was launched with
priority 1. And Tez AMs are launched with priority 0.

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