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From Joey Echeverria <j...@cloudera.com>
Subject Re: Re : Custom web app
Date Wed, 11 Jan 2012 11:14:16 GMT
Take a look at Hue, it a web app that does exactly what you're talking about. It uses a combination
of RPC calls and other public APIs as well as a custom plugin that adds additional APIs via

Hue can be deployed on any node and is mostly written in Python. 


On Jan 11, 2012, at 2:32, Michael Lok <fulat2k@gmail.com> wrote:

> Hi Franck,
> Thanks for the info.  However, I'm looking at decoupling this app from the embedded Jetty
in Hadoop.  Ideally, it should be deployed in a separate server as the NameNode.  Is this
> On Wed, Jan 11, 2012 at 3:23 PM, Franck Besnard <besn0847@yahoo.com> wrote:
> Hello
> Yes this is quite trivial and for example ibm did that in their big insights flavor of
> The hadoop alrzady has quite a lot of instrumentation regarding monitoring and you can
extend the embedded jetty to add more features.
> Ideally this webapp should nit be bundled within the nodes but that s the way it is
> Cheers
> Franck
> Envoyé à partir de Yahoo! Mail (sur Android)
> From: Michael Lok <fulat2k@gmail.com>; 
> To: <hdfs-user@hadoop.apache.org>; 
> Subject: Custom web app 
> Sent: Wed, Jan 11, 2012 7:07:39 AM 
> Hi folks,
> I was wondering if it's possible to develop a custom front end which
> allows monitoring/management of jobs/tasks and hdfs.  From what i can
> see from the built in webapp, all JSPs retrieve the relevant
> NameNode/TaskTracker objects from the application instance; which is
> set during NameNode creation.  Was wondering if it's possible to
> connect to a remote NameNode from an external server and application
> using Hadoop's API classes.
> Thanks.

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