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https://issues.apache.org/jira/browse/HADOOP-4675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12751509#action_12751509
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Tom White commented on HADOOP-4675:
-----------------------------------
There are a couple of options I can see.
1. Convert the test to be more of a unit test of GangliaContext31. So rather
than use MiniDFSCluster, inject metrics directly into the context and check
that they are correctly received by the socket listener.
2. Move the test to the HDFS project as an integration test.
Ideally we'd do both, since 1 is a unit test for Ganglia, and 2 tests the
integration of metrics and HDFS.
> Current Ganglia metrics implementation is incompatible with Ganglia 3.1
> -----------------------------------------------------------------------
>
> Key: HADOOP-4675
> URL: https://issues.apache.org/jira/browse/HADOOP-4675
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 0.21.0
> Reporter: Brian Bockelman
> Assignee: Brian Bockelman
> Fix For: 0.21.0
>
> Attachments: hadoop-4675-2.patch, hadoop-4675-3.patch,
> HADOOP-4675-4.patch, HADOOP-4675-v5.patch, HADOOP-4675-v6.patch,
> HADOOP-4675-v7.patch, HADOOP-4675-v8.patch, HADOOP-4675-v9.patch,
> hadoop-4675.patch
>
>
> Ganglia changed its wire protocol in the 3.1.x series; the current
> implementation only works for 3.0.x.
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