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Posted to issues@yunikorn.apache.org by "Weiwei Yang (Jira)" <ji...@apache.org> on 2021/09/01 04:31:00 UTC
[jira] [Updated] (YUNIKORN-831) node sorting should check other
resources of nodes instead of comparing node id directly
[ https://issues.apache.org/jira/browse/YUNIKORN-831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weiwei Yang updated YUNIKORN-831:
---------------------------------
Fix Version/s: 1.0.0
> node sorting should check other resources of nodes instead of comparing node id directly
> ----------------------------------------------------------------------------------------
>
> Key: YUNIKORN-831
> URL: https://issues.apache.org/jira/browse/YUNIKORN-831
> Project: Apache YuniKorn
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.0.0
>
>
> from comment:
> https://issues.apache.org/jira/browse/YUNIKORN-807?focusedCommentId=17407164&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17407164
>
> It seems to me a small behavior change is introduced by this patch. This patch scores node according to `resources.LargestUsageShare`. However, the largest usage in our cluster is always storage (and all nodes have same storage capacity). It results in the order is always based on `node id`. Before this patch, the order will compare remaining "usage" (vcore, memory, etc) when largest usage is equal.
> There are two possible solutions.
> # the nodeScore of nodeRef should keep all usages ([]float64) and the implementation of `Less` function should reuse `resources.CompareShares`
> # add an new config to enable users to control scope. for example, the following config means we should compare vcore instead of largest resource
> {code:java}
> nodesortpolicy:
> type: binpacking
> usage: vcore{code}
>
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