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From "Wei-Chiu Chuang (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (HADOOP-13477) Hadoop metrics can be only sent to the first ganglia gmond server
Date Tue, 20 Aug 2019 17:05:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Wei-Chiu Chuang reassigned HADOOP-13477:

    Assignee: JerryXin

> Hadoop metrics can be only sent to the first ganglia gmond server
> -----------------------------------------------------------------
>                 Key: HADOOP-13477
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13477
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 2.7.2, 2.6.4
>            Reporter: JerryXin
>            Assignee: JerryXin
>            Priority: Minor
>              Labels: ganglia, metrics
>         Attachments: HADOOP-13477.001.patch, HADOOP-13477.002.patch
> Ganglia metrics can be only sent to the first metric server.
> If I config namenode.sink.ganglia.servers=host1:8649,host2:8649 in hadoop-metrics2.properties,then
metrics can only be sent to host1,host2 will never receive them.This means if  gmond on host1
is down,metrics will not be collected.
> This happens because GangliaSink parse metric servers use a getString method in SubsetConfiguration,while
this method return only the first element in the list.

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