[jira] [Commented] (YARN-10451) RM (v1) UI NodesPage can NPE when yarn.io/gpu resource type is defined.

["Eric Payne (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-10451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206398#comment-17206398 ] 

Eric Payne commented on YARN-10451:
-----------------------------------

{code:title=NodePages#NodesBlock}
        if (gpuIndex != null) {
          usedGPUs = info.getUsedResource().getResource()
              .getResourceValue(ResourceInformation.GPU_URI);
          availableGPUs = info.getAvailableResource().getResource()
              .getResourceValue(ResourceInformation.GPU_URI);
        }
{code}
If yarn.io/gpu is defined and a node is either decommissioned, lost, unhealthy, or shut down, {{NodeInfo#getUsedResource}} and {{NodeInfo#getAvailableResource}} can return null.

> RM (v1) UI NodesPage can NPE when yarn.io/gpu resource type is defined.
> -----------------------------------------------------------------------
>
>                 Key: YARN-10451
>                 URL: https://issues.apache.org/jira/browse/YARN-10451
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>            Priority: Major
>
> The NodesPage in the RM (v1) UI will NPE when the {{yarn.resource-types}} property defines {{yarn.io}}.



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