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From "Stavros Kontopoulos (JIRA)" <>
Subject [jira] [Commented] (SPARK-24353) Add support for pod affinity/anti-affinity
Date Tue, 22 May 2018 17:45:00 GMT


Stavros Kontopoulos commented on SPARK-24353:

I will create a design doc for this feature.

> Add support for pod affinity/anti-affinity
> ------------------------------------------
>                 Key: SPARK-24353
>                 URL:
>             Project: Spark
>          Issue Type: New Feature
>          Components: Kubernetes
>    Affects Versions: 2.3.0
>            Reporter: Stavros Kontopoulos
>            Priority: Major
> Spark on K8s allows to place driver/executor pods on specific k8s nodes, using nodeSelector.
NodeSelector is a very simple way to constrain pods to nodes with particular labels. The [affinity/anti-affinity|]
feature, currently in beta, greatly expands the types of constraints you can express. Aim
here is to bring support of this feature to Spark on K8s, in detail:
>  * Node affinity
>  * Pod affinity/anti-affinity
> Selecting where to run drivers and executors covers many cases like the ones described
> Note that nodeSelector will be deprecated in the future.

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