[jira] [Reopened] (HADOOP-8351) Add exclude/include file , need restart NN or RM.

["Robert Joseph Evans (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-8351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Joseph Evans reopened HADOOP-8351:
-----------------------------------------

    
> Add exclude/include file , need restart NN or RM.
> -------------------------------------------------
>
>                 Key: HADOOP-8351
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8351
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>         Environment: suse
>            Reporter: xieguiming
>
> "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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