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From "Bill Graham (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-515) Statistics REST API for Agent
Date Thu, 26 Aug 2010 17:39:53 GMT
Statistics REST API for Agent
-----------------------------

                 Key: CHUKWA-515
                 URL: https://issues.apache.org/jira/browse/CHUKWA-515
             Project: Chukwa
          Issue Type: Sub-task
            Reporter: Bill Graham


Develop a REST interface to expose Agent statistics. 

* Request URI:
{noformat}
GET /rest/v1/adaptorStats HTTP/1.0
{noformat}

* For now I'm shooting for the XML response, but ultimately we can support optional params:
{noformat}
viewType=[json|xml|text] (default is XML?)
{noformat}

* Response XML

TBD. My thought is to integrate with the {{AgentMetrics}} and {{ChunkQueueMetrics}} and show
their information, along with a list of adaptors. It appears that the same {{MemQueue}} is
shared amongst all adaptors, so we won't be able to expose per-adaptor stats as is. Let me
know if I'm missing something there, or if you have comments in general about the approach.

I was planning on using Jetty similar to how the collector does. We could have some common
code that delegates requests to different handlers based on the URI. The current telnet interface
will remain as-is.

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