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Re: Management API
Are there any specs for the JSON schema?
On Thu, Jun 6, 2013 at 9:49 AM, MARCOS MEDRADO RUBINELLI <

>  Brian,
> If you have access to the web UI, you can get those metrics in JSON from
> the JMXJsonServlet. Try hitting
> http://namenode_hostname:50070/jmx?qry=Hadoop:* and
> http://jobtracker_v1_hostname:50030/jmx?qry=hadoop:*
> It isn't as extensive as other options, but if you just need a snapshot of
> node capacity and utilization, it's pretty handy. I used it to plug some
> basic warnings into Nagios.
> Regards,
> Marcos
> On 06-06-2013 09:51, Brian Mason wrote:
> I am looking for a way to access a list of Nodes, Compute, Data etc ..  My
> application is not running on the name node.  It is remote.  The 2.0 Yarn
> API look like they may be useful, but I am not on 2.0 and cannot move to
> 2,0 anytime soon.
>  DFSClient.java looks useful, but its not in the API docs so I am not
> sure how to use it or even if I should.
> Any pointers would be helpful.
>  Thanks,
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