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Date: Thu, 26 Aug 2010 13:39:54 -0400 (EDT)
From: "Bill Graham (JIRA)" <jira@apache.org>
To: chukwa-dev@incubator.apache.org
Subject: [jira] Assigned: (CHUKWA-515) Statistics REST API for Agent
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     [ https://issues.apache.org/jira/browse/CHUKWA-515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bill Graham reassigned CHUKWA-515:
----------------------------------

    Assignee: Bill Graham

> 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
>            Assignee: 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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