Bibin A Chundatt commented on YARN-7875:

Thank you [~cheersyang]

On second thought the abstraction and additional refactoring doesnt add much of 
Also refactoring could impact backward compatibility too IIUC. 

Need further discussion in YARN-7757 . {{NodeLabelsProvider}} signature is 
changed in YARN-7757 which could cause old version {{NodeLabelsProvider}} 
implementation to fail.

Attaching patch 001 for {{FileSystemNodeAttributeStore}} Implementaion. Patch 
is based on YARN-6858 the manager integration will be done after jira gets 

> AttributeStore for store and recover attributes
> -----------------------------------------------
>                 Key: YARN-7875
>                 URL: https://issues.apache.org/jira/browse/YARN-7875
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Major
>         Attachments: YARN-7875-WIP.patch, YARN-7875-YARN-3409.001.patch
> Similar to NodeLabelStore need to support NodeAttributeStore for persisting 
> attributes mapping to Nodes.

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