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From "Kuhu Shukla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3102) Decommisioned Nodes not listed in Web UI
Date Thu, 07 Jan 2016 23:10:39 GMT

     [ https://issues.apache.org/jira/browse/YARN-3102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kuhu Shukla updated YARN-3102:
------------------------------
    Attachment: YARN-3102-v1.patch

This patch adds semi-dummy <NodeID,RMNode> entries to active RMNodes map on init() for
all nodes in the exclude list. Such a node is then transitioned right away to DECOMMISSIONED
state from NEW state. Also, to fix the metric discrepancy if such a node joins back, the AddNodeTransition
is modified. A simple test case is included.

Another approach can instead add the functionality of making transitions on inactiveRMNodes
as well. This would allow not adding such dummy nodes to active list in the first place and
put it in the inactive list instead.

> Decommisioned Nodes not listed in Web UI
> ----------------------------------------
>
>                 Key: YARN-3102
>                 URL: https://issues.apache.org/jira/browse/YARN-3102
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>         Environment: 2 Node Manager and 1 Resource Manager 
>            Reporter: Bibin A Chundatt
>            Assignee: Kuhu Shukla
>            Priority: Minor
>         Attachments: YARN-3102-v1.patch
>
>
> Configure yarn.resourcemanager.nodes.exclude-path in yarn-site.xml to yarn.exlude file
In RM1 machine
> Add Yarn.exclude with NM1 Host Name 
> Start the node as listed below NM1,NM2 Resource manager
> Now check Nodes decommisioned in /cluster/nodes
> Number of decommisioned node is listed as 1 but Table is empty in /cluster/nodes/decommissioned
(detail of Decommision node not shown)



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