Bibin A Chundatt commented on YARN-7875:


Thank you for looking at patch,
 # Refactoring was done mainly to have CommonFileSystem  implementation for 
 # Currently i was planning to have 2 different store for Attributes and Labels 


 * updateNodeToLabelsMappings vs replaceNodeAttributes
 * storeNewClusterNodeLabels vs addNodeAttributes
 * removeClusterNodeLabels vs removeNodeAttributes


 # addNodeAttributes,removeNodeAttributes,replaceNodeAttributes is for only 
Node to Attributes mapping. storeNewClusterNodeLabels,removeClusterNodeLabels 
is mainly for cluster level label addition




> 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-WIP.patch
> Similar to NodeLabelStore need to support NodeAttributeStore for persisting 
> attributes mapping to Nodes.

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