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https://issues.apache.org/jira/browse/SPARK-22994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317383#comment-16317383
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Apache Spark commented on SPARK-22994:
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User 'vanzin' has created a pull request for this issue:
https://github.com/apache/spark/pull/20192
> Require a single container image for Spark-on-K8S
> -------------------------------------------------
>
> Key: SPARK-22994
> URL: https://issues.apache.org/jira/browse/SPARK-22994
> Project: Spark
> Issue Type: Improvement
> Components: Kubernetes
> Affects Versions: 2.3.0
> Reporter: Marcelo Vanzin
>
> Current k8s backend requires 3 separate container images to be provided by
> the user to submit an app. The 3 images are pretty much the same except for
> the entry point.
> Instead, we should require a single image by default, but still allow the
> user to override individual images (e.g. executor) if desired.
> This should also make it easier to publish an "official" Spark docker image,
> and should simplify things like the {{build-push-docker-images.sh}} script.
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