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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5681) Change collector discovery to support collectors mapped to clients but not applications
Date Mon, 03 Oct 2016 17:20:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542904#comment-15542904

Varun Saxena commented on YARN-5681:

Thanks [~gtCarrera9] for the patch. The patch does not apply cleanly for me on top of latest
patches on YARN-3359 and YARN-5638. It will be easier to review if you can update all the

I had a scan through the patch as such though. Few comments thus far :
* In GetTimelineCollectorContextRequestPBImpl, need to set type too in mergeLocalToBuilder
* In CollectorData, should this be && ?
88	  public boolean stamped() {
89	    return (getRMIdentifier() != UNSTAMPED_VERSION_NUMBER)
90	        || (getVersion() != UNSTAMPED_VERSION_NUMBER);
91	  }
* In NodeHeartbeatRequestPBImpl, any need of setting RM ID and version ? IIUC, RM will report
this in NM heartbeat response. How will NM be knowing about it ?
* In NodeHeartbeatRequestPBImpl, rename addAppCollectorsMapToProto => addCollectorsMapToProto

> Change collector discovery to support collectors mapped to clients but not applications
> ---------------------------------------------------------------------------------------
>                 Key: YARN-5681
>                 URL: https://issues.apache.org/jira/browse/YARN-5681
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Li Lu
>            Assignee: Li Lu
>         Attachments: YARN-5681-YARN-3359.001.patch
> As discussed in YARN-3981, we need the service discovery mechanism to map collectors
with their actual "ids", which may or may not be a concrete application Id. This JIRA proposes
to generalize the concept of collector id in collector service discovery mechanism. 

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