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volcano调度配置文件相关问题 #3802

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sharphu opened this issue Nov 5, 2024 · 2 comments
Open

volcano调度配置文件相关问题 #3802

sharphu opened this issue Nov 5, 2024 · 2 comments
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@sharphu
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sharphu commented Nov 5, 2024

Please describe your problem in detail

1.volcano-scheduler-configmap 调度配置文件中,plugin的先后顺序不一样,会导致最终调度不一样吗?
2.调度配置文件中,为什么plugins有多个,它跟只有一个效果是一样的吗?
3.调度配置文件中,可以设置多个应对不同场景的调度策略,然后我在创建job的使用分别使用不同的调度策略,可以这样做吗?

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@sharphu sharphu added the kind/question Categorizes issue related to a new question label Nov 5, 2024
@Monokaix
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The order of plugins just affect the preemption and reclaim result in preempt case and has no affection of allocate.
Currently the scheduler config is a global one and no multi configurations for different jobs, would you like to support more deatils about your case and we can discuss further?

@lowang-bh
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  1. plugin顺序对调度结果影响较小,可能影响调度先后顺序,比如priority和drf配置顺序不一样。
  2. 不同的插件从不同层面实现相同的目标,比如比较优先级,drf考虑的是资源占用,priority考虑的设置的优先级。多个插件的生效可能是或/与关系,比如:如果一个插件能比较出结果,就不会调用其他插件;或者要每一个插件条件都成立最终条件才成立。

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