Make differentiation between recordName and contextName
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Key: CHUKWA-557
URL: https://issues.apache.org/jira/browse/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:
{noformat}
{ "contextName":"agent","recordName":"httpSender",...}
{noformat}
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