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From "JerryXin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13477) Ganglia metrics can be only sent to the first metric server
Date Wed, 10 Aug 2016 08:37:20 GMT
JerryXin created HADOOP-13477:
---------------------------------

             Summary: Ganglia metrics can be only sent to the first metric server
                 Key: HADOOP-13477
                 URL: https://issues.apache.org/jira/browse/HADOOP-13477
             Project: Hadoop Common
          Issue Type: Bug
          Components: metrics
    Affects Versions: 2.6.4, 2.7.2
            Reporter: JerryXin
            Priority: Minor


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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