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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-16026) YARN ATS Should Advertise a Version
Date Thu, 21 Apr 2016 21:03:13 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-16026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hurley updated AMBARI-16026:
-------------------------------------
    Attachment: AMBARI-16026.patch

> YARN ATS Should Advertise a Version
> -----------------------------------
>
>                 Key: AMBARI-16026
>                 URL: https://issues.apache.org/jira/browse/AMBARI-16026
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-16026.patch
>
>
> In YARN's {{metainfo.xml}}, ATS does not have a {{versionAdvertised}} element. As a result,
the absence of this element causes Ambari to think that YARN is not part of the {{hdp-select}}
logic and we will never validate that it is reporting the correct version on startup.
> However, YARN ATS does have a version and an entry in {{hdp-select}}:
> {code}
>     if params.version and check_stack_feature(StackFeature.ROLLING_UPGRADE, params.version):
>       conf_select.select(params.stack_name, "hadoop", params.version)
>       stack_select.select("hadoop-yarn-timelineserver", params.version)
> {code}
> {code}
> [root@c6401 ~]# cat /usr/bin/hdp-select | grep "timeline"
>            "hadoop-yarn-timelineserver": "hadoop-yarn",
>                          "hadoop-yarn-timelineserver"],
> {code}
> This actually causes the ATS component to say it has a {{VERSION_MISMATCH}} since upgrading
HDP changes it's version when we were not expecting it to:
> {code}
> YARN_CLIENT 2.4.2.0-39 COMPLETE	UNKNOWN
> APP_TIMELINE_SERVER	2.4.2.0-39 VERSION_MISMATCH	UNSECURED
> ZOOKEEPER_SERVER	 2.4.2.0-39 COMPLETE	UNSECURED
> {code}



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