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From "Tanping Wang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6977) Herriot daemon clients should vend statistics
Date Fri, 15 Oct 2010 18:39:38 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12921487#action_12921487
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Tanping Wang commented on HADOOP-6977:
--------------------------------------

In the newer patch, "HADOOP_OPTS" is passed in as parameter to check isJmxEnabled and getJmxPort.
 I assume if user uses specific options for each demon, for example enabling JMX for name
node daemon by passing in HADOOP_NAMENODE_OPTS, 
  export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_NAMENODE_OPTS -Dcom.sun.management.jmxremote.port=8004″
then the parameter to be searched will be changed from "HADOOP_OPTS" to "HADOOP_NAMENODE_OPTS".
 If my understanding is corret, I think the patch is good.

> Herriot daemon clients should vend statistics
> ---------------------------------------------
>
>                 Key: HADOOP-6977
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6977
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 0.22.0
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>         Attachments: FinderTest.java, HADOOP-6977.patch, HADOOP-6977.patch, HADOOP-6977.patch,
HADOOP-6977.patch, HADOOP-6977.y20S.patch, HADOOP-6977.y20S.patch
>
>
> The HDFS web user interface serves useful information through dfshealth.jsp and dfsnodelist.jsp.
> The Herriot interface to Hadoop cluster daemons would benefit from the addition of some
way to channel metics information.

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