[jira] [Commented] (YARN-8902) Add volume manager that manages CSI volume lifecycle

["Wangda Tan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-8902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675532#comment-16675532 ] 

Wangda Tan commented on YARN-8902:
----------------------------------

Thanks [~cheersyang] , a couple of high-level questions and miscs: 

CsiAdaptorClient is not implemented, does this patch works end to end?

How to handle client ask volumes for every allocate request (let's say same volume id)? What will the expectation be for users, should they expect failures for the allocate() call or duplicated volume id will be simply ignored?

How to handle RM recovery case for volumes, are we going to recover volume states? or do we need to do that?

*Miscs:* 
- org.apache.hadoop.yarn.server.resourcemanager.volume => ..rmvolume?

> Add volume manager that manages CSI volume lifecycle
> ----------------------------------------------------
>
>                 Key: YARN-8902
>                 URL: https://issues.apache.org/jira/browse/YARN-8902
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Major
>         Attachments: YARN-8902.001.patch, YARN-8902.002.patch, YARN-8902.003.patch, YARN-8902.004.patch, YARN-8902.005.patch, YARN-8902.006.patch, YARN-8902.007.patch
>
>
> The CSI volume manager is a service running in RM process, that manages all CSI volumes' lifecycle. The details about volume's lifecycle states can be found in [CSI spec|https://github.com/container-storage-interface/spec/blob/master/spec.md]. 



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: yarn-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: yarn-issues-help@hadoop.apache.org