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From "Eric Yang (JIRA)" <>
Subject [jira] Created: (CHUKWA-557) Make differentiation between recordName and contextName
Date Sun, 14 Nov 2010 05:45:13 GMT
Make differentiation between recordName and contextName

                 Key: CHUKWA-557
             Project: Chukwa
          Issue Type: Improvement
          Components: data collection
         Environment: Java 6, MacOSX 6
            Reporter: Eric Yang
            Assignee: Eric Yang

Metrics emited by Chukwa Agent through MetricsContext is structured as:

contextName: chukwaHttpSender
recordName: chukwaHttpSender

The same context is repeated twice in the naming hierarchy.

Ideally, the structure should be:

contextName: agent
recordName: httpSender

Therefore, the metrics can be collected in chukwa table, column family: agent_httpSender.
 In sequence file, it will be chukwa data type directory, and hashmap looks like:

{ "contextName":"agent","recordName":"httpSender",...}

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