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https://issues.apache.org/jira/browse/YARN-5431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15394356#comment-15394356
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Allen Wittenauer commented on YARN-5431:
----------------------------------------

FWIW, I'm planning on making this all consistent in trunk with HADOOP-13341.  

HDFS stuff will be:

HDFS_namenode_OPTS, HDFS_datanode_OPTS,etc

YARN stuff will be:

YARN_resourcemanager_OPTS, YARN_nodemanager_OPTS, etc

Effectively:

(capital command)_(subcommand)_OPTS

This means one could do HADOOP_distcp_OPTS, MAPRED_streaming_OPTS,...  all in a 
consistent way without having custom env var handling all over the place.

> TimeLineReader daemon start should allow to pass its own reader opts
> --------------------------------------------------------------------
>
>                 Key: YARN-5431
>                 URL: https://issues.apache.org/jira/browse/YARN-5431
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scripts, timelinereader
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>             Fix For: 3.0.0-alpha2
>
>         Attachments: YARN-5431.0.patch, YARN-5431.1.patch
>
>
> In yarn script , timelinereader doesn't allow to pass reader_opts.
> {code}
> timelinereader)
> HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true"          
> HADOOP_CLASSNAME='org.apache.hadoop.yarn.server.timelineservice.reader.TimelineReaderServer'
> {code}



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