[jira] [Resolved] (YUNIKORN-1898) Cannot set guaranteed resources for a child when they are not defined for the parent queue.

["Wilfred Spiegelenburg (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YUNIKORN-1898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wilfred Spiegelenburg resolved YUNIKORN-1898.
---------------------------------------------
    Fix Version/s: 1.4.0
       Resolution: Fixed

This is your first commit to YuniKorn.

Thank you, [~sahaajchawla] 

 

> Cannot set guaranteed resources for a child when they are not defined for the parent queue.
> -------------------------------------------------------------------------------------------
>
>                 Key: YUNIKORN-1898
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1898
>             Project: Apache YuniKorn
>          Issue Type: Bug
>          Components: core - common
>            Reporter: Sahaaj Singh Chawla
>            Assignee: Sahaaj Singh Chawla
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.4.0
>
>
> When a particular resource(s) is not defined in the guaranteed resource for a parent queue, Yunikorn doesn't allow us to define that particular resource in the guaranteed quota for children of that particular parent.
> For example,
> If we have a hierarchy like this:
> {noformat}
> root
>   - parent1
>     - child1{noformat}
>  
> The quota for the parent1 is as follows:
> {noformat}
> Max:
> memory = 1000
> vcores   = 1000 
>  
> Guaranteed:
> memory = 800
> {noformat}
>  
> The quota which we want for child1:
> {noformat}
> Max:
> memory = 500
> vcores.  = 500
>  
> Guaranteed:
> memory = 200
> vcores   = 200{noformat}
>  
> When we try to create the child1 under parent1 with this quota, we get an error from Yunikorn which states that guaranteed resource of the parent is smaller than the sum of guaranteed resources of the children.
> The error message that we get back is as follows:
> guaranteed resource of parent map[memory:800] is smaller than sum of guaranteed resources map[memory:200 vcore:200] of the children for queue parent1
> {color:#172b4d}In such a case where we have no guaranteed quota defined for a particular resource, it should be checked against the max quota of the queue and allow the creation of the queue if the guaranteed quota of the child fits in the max quota of the parent.{color}



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