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https://issues.apache.org/jira/browse/YARN-8811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16633188#comment-16633188
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Weiwei Yang commented on YARN-8811:
-----------------------------------
Hi [~eyang]
This scope limits us only to support storage volumes that compatible with CSI,
that means we can support NFS via a NFS CSI driver, something similar to [k8s
nfs-csi driver|https://github.com/kubernetes-csi/drivers/tree/master/pkg/nfs].
The source mount will be managed by YARN, more specifically its lifecycle is
managed by calling CSI driver's node stage/unstage/publish/unpublish APIs. This
means we are unable to support NFS gateway if already mounts HDFS to a local
filesystem, unless there is CSI driver for the gateway.
Thanks
> Support Container Storage Interface (CSI) in YARN
> -------------------------------------------------
>
> Key: YARN-8811
> URL: https://issues.apache.org/jira/browse/YARN-8811
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: Support Container Storage Interface(CSI) in YARN_design
> doc_20180921.pdf, Support Container Storage Interface(CSI) in YARN_design
> doc_20180928.pdf
>
>
> The Container Storage Interface (CSI) is a vendor neutral interface to bridge
> Container Orchestrators and Storage Providers. With the adoption of CSI in
> YARN, it will be easier to integrate 3rd party storage systems, and provide
> the ability to attach persistent volumes for stateful applications.
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