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Naganarasimha G R commented on YARN-2495: ----------------------------------------- Hi [~wangda], Thanks for the review bq. 1) As same as ResourceTrackerService, it's better to have a field like isDecentralizedNodeLabelConfigurationEnabled (or some other name you like) in NodeStatusUpdaterImpl. Should be more clear than statement like Earlier in one of your [comment|https://issues.apache.org/jira/browse/YARN-2495?focusedCommentId=14183135&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14183135], you had mentioned as {quote} 5) NodeStatusUpdaterImpl: isDecentralizedNodeLabelsConf may not need here, if nodeLablesProvider passed in is null. That means isDecentralizedNodeLabelsConf is false. + nodeLabelsForHeartBeat = null; + if (isDecentralizedNodeLabelsConf) { ... {quote} so had changed it , may be earlier you meant some thing else and i read the comment wrongly ? for 2 & 3 will rework and share the patch, but hope test cases are fine too ? > Allow admin specify labels from each NM (Distributed configuration) > ------------------------------------------------------------------- > > Key: YARN-2495 > URL: https://issues.apache.org/jira/browse/YARN-2495 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Reporter: Wangda Tan > Assignee: Naganarasimha G R > Attachments: YARN-2495.20141023-1.patch, YARN-2495.20141024-1.patch, > YARN-2495.20141030-1.patch, YARN-2495.20141031-1.patch, > YARN-2495.20141119-1.patch, YARN-2495_20141022.1.patch > > > Target of this JIRA is to allow admin specify labels in each NM, this covers > - User can set labels in each NM (by setting yarn-site.xml or using script > suggested by [~aw]) > - NM will send labels to RM via ResourceTracker API > - RM will set labels in NodeLabelManager when NM register/update labels -- This message was sent by Atlassian JIRA (v6.3.4#6332)