[jira] [Updated] (YARN-116) RM is missing ability to add include/exclude files without a restart

["Harsh J (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J updated YARN-116:
-------------------------

    Summary: RM is missing ability to add include/exclude files without a restart  (was: Add exclude/include file , need restart NN or RM.)
    
> RM is missing ability to add include/exclude files without a restart
> --------------------------------------------------------------------
>
>                 Key: YARN-116
>                 URL: https://issues.apache.org/jira/browse/YARN-116
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.0-alpha
>            Reporter: xieguiming
>         Attachments: HADOOP-835-0.patch, HADOOP-835-1.patch, HADOOP-835.patch
>
>
> "yarn.resourcemanager.nodes.include-path" default value is "", if we need add one include file. and we must restart the RM. 
> I suggest that adding one include or exclude file, no need restart the RM. only execute the refresh command.
> NN is the same.
> Modify the HostsFileReader class:
> public HostsFileReader(String inFile, 
>                          String exFile)
> to
>  public HostsFileReader(Configuration conf, 
>                          String NODES_INCLUDE_FILE_PATH,String DEFAULT_NODES_INCLUDE_FILE_PATH,
>                         String NODES_EXCLUDE_FILE_PATH,String DEFAULT_NODES_EXCLUDE_FILE_PATH)
> and thus, we can read the config file dynamic. and no need to restart the NM/NN.

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