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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2018/09/10 13:50:00 UTC
[jira] [Updated] (SPARK-24353) Add support for pod
affinity/anti-affinity
[ https://issues.apache.org/jira/browse/SPARK-24353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan updated SPARK-24353:
--------------------------------
Target Version/s: (was: 2.4.0)
> Add support for pod affinity/anti-affinity
> ------------------------------------------
>
> Key: SPARK-24353
> URL: https://issues.apache.org/jira/browse/SPARK-24353
> 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|https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-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
> * Toleration/taints
> * Inter-Pod affinity/anti-affinity
> Note that nodeSelector will be deprecated in the future.
> Design doc: [https://docs.google.com/document/d/1izk75I4A0I-nJaE57m7wkpgUZTXM0o6-c0Tb-NxdOMU|https://docs.google.com/document/d/1izk75I4A0I-nJaE57m7wkpgUZTXM0o6-c0Tb-NxdOMU/edit?usp=sharing]
>
>
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