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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5665) Documentation does not mention package name requirement for yarn.resourcemanager.scheduler.class
Date Mon, 06 Feb 2017 22:11:41 GMT

     [ https://issues.apache.org/jira/browse/YARN-5665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yufei Gu updated YARN-5665:
---------------------------
    Attachment: YARN-5665.002.patch

Thanks [~miklos.szegedi@cloudera.com] and [~rchiang]'s review. Uploaded a new patch. 

> Documentation does not mention package name requirement for yarn.resourcemanager.scheduler.class
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-5665
>                 URL: https://issues.apache.org/jira/browse/YARN-5665
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Miklos Szegedi
>            Assignee: Yufei Gu
>            Priority: Trivial
>              Labels: doc, newbie
>         Attachments: YARN-5665.001.patch, YARN-5665.002.patch
>
>
> http://hadoop.apache.org/docs/r3.0.0-alpha1/hadoop-project-dist/hadoop-common/ClusterSetup.html
refers to FairScheduler, when it documents the setting yarn.resourcemanager.scheduler.class.
What it forgets to mention is that the user has to specify the full class path like org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler
otherwise the system throws java.lang.ClassNotFoundException: FairScheduler. It would be nice,
if the documentation specified the full class path, so that the user does not need to look
it up.



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