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https://issues.apache.org/jira/browse/YUNIKORN-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen Yu Teng reassigned YUNIKORN-1238:
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Assignee: Chen Yu Teng
> Setting fair node policy instead of nil is in NewNodeCollection
> ---------------------------------------------------------------
>
> Key: YUNIKORN-1238
> URL: https://issues.apache.org/jira/browse/YUNIKORN-1238
> Project: Apache YuniKorn
> Issue Type: Improvement
> Components: core - scheduler
> Reporter: Chen Yu Teng
> Assignee: Chen Yu Teng
> Priority: Minor
>
> We can set node sorting policy with fair policy when partition called
> NewNodeCollection function.
> In [nodeCollection
> level|[https://github.com/apache/yunikorn-core/blob/master/pkg/scheduler/objects/node_collection.go#L228-L235]|https://github.com/apache/yunikorn-core/blob/master/pkg/scheduler/objects/node_collection.go#L228-L235],]
> , the node sorting policy is nil and the order of nodes in nodeCollection is
> the time adding node. If partition call nodes.GetNodeSortingPolicy() which is
> nil, nil will be treated as fair although the behavior of node sorting is not
> the behavior with fair
> policy([code|[https://github.com/apache/yunikorn-core/blob/master/pkg/scheduler/partition.go#L1449-L1457]).]
> In partition level, original flow will be like.
> # Creates nodeCollection that node sorting policy is
> nil([code|[https://github.com/apache/yunikorn-core/blob/master/pkg/scheduler/partition.go#L95])]
> # In updateNodeSortingPolicy function, partition updates related fields from
> config. If policy in config is empty , SortingPolicyFromString function will
> return fair policy, partition update node sorting policy by
> nodes.SetNodeSortingPolicy(fair policy)
> I want to modify the node sorting policy in 1 step and set the default node
> sorting policy is fair policy.
>
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