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Date: Mon, 12 Sep 2011 22:31:09 +0000 (UTC)
From: "Todd Lipcon (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Created] (HADOOP-7627) Improve MetricsAsserts to give more
 understandable output on failure
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Improve MetricsAsserts to give more understandable output on failure
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                 Key: HADOOP-7627
                 URL: https://issues.apache.org/jira/browse/HADOOP-7627
             Project: Hadoop Common
          Issue Type: Improvement
          Components: metrics, test
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Minor


In developing a test case that uses MetricsAsserts, I had two issues:
1) the error output in the case that an assertion failed does not currently give any information as to the _actual_ value of the metric
2) there is no way to retrieve the metric variable (eg to assert that the sum of a metric over all DNs is equal to some value)

This JIRA is to improve this test class to fix the above issues.

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