[jira] [Updated] (YARN-463) Show explicitly excluded nodes on the UI

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

     [ https://issues.apache.org/jira/browse/YARN-463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

zhaoyunjiong updated YARN-463:
------------------------------
    Attachment: YARN-463.patch
                Screen Shot 2015-07-14 at 1.25.46 PM.png

This patch add ExcludeNodeTransition which will transition Node from NEW to DECOMMISSIONED if it is in yarn.resourcemanager.nodes.exclude-path and never register to RM before.

Attached file is the result from Web UI, and below is via rest api.
{code}
bash-4.1# cat /usr/local/hadoop/etc/hadoop/yarn-exclude
excludeHostA
excludeHostB
bash-4.1# curl http://127.0.0.1:8088/ws/v1/cluster/nodes?states=decommissioned
{"nodes":{"node":[{"rack":"","state":"DECOMMISSIONED","id":"excludeHostA:0","nodeHostName":"excludeHostA","nodeHTTPAddress":"","lastHealthUpdate":1436879910936,"version":"N/A","healthReport":"Healthy","numContainers":0,"usedMemoryMB":0,"availMemoryMB":0,"usedVirtualCores":0,"availableVirtualCores":0},{"rack":"","state":"DECOMMISSIONED","id":"excludeHostB:0","nodeHostName":"excludeHostB","nodeHTTPAddress":"","lastHealthUpdate":1436879910936,"version":"N/A","healthReport":"Healthy","numContainers":0,"usedMemoryMB":0,"availMemoryMB":0,"usedVirtualCores":0,"availableVirtualCores":0}]}}
{code}

> Show explicitly excluded nodes on the UI
> ----------------------------------------
>
>                 Key: YARN-463
>                 URL: https://issues.apache.org/jira/browse/YARN-463
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: zhaoyunjiong
>              Labels: usability
>         Attachments: Screen Shot 2015-07-14 at 1.25.46 PM.png, YARN-463.patch
>
>
> Nodes can be explicitly excluded via the config yarn.resourcemanager.nodes.exclude-path. We should have a way of displaying this list via web and command line UIs.



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