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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-315) hadoop-metrics.properties has double meaning in chukwa
Date Fri, 19 Jun 2009 17:54:07 GMT
hadoop-metrics.properties has double meaning in chukwa
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                 Key: CHUKWA-315
                 URL: https://issues.apache.org/jira/browse/CHUKWA-315
             Project: Hadoop Chukwa
          Issue Type: Bug
          Components: build and test code
    Affects Versions: 0.2.0
         Environment: Redhat EL 5.1, Java 6
            Reporter: Eric Yang


"hadoop-metrics.properties" is used as the sample for collecting hadoop metrics through chukwa.
 It is also used by chukwa process to send out chukwa metrics.  Hence, when people copy hadoop-metrics.properties
from chukwa source code, it needs to be hand modified to comment out chukwa metrics.  When
it is left in chukwa conf dir, it needs to have hadoop section commented out.  This is not
very user friendly, and should be addressed.

I am not comfortable to use hadoop metrics context as the metrics generation tools for chukwa.
 Metrics context class is a specialized tool for hadoop to emite metrics.  By using hadoop
metrics context, It ties unnecessary component into chukwa and complicates ease of use.  I
vote to remove metrics context from chukwa.

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