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From Zizon Qiu <zzd...@gmail.com>
Subject Re: Re : Custom web app
Date Wed, 11 Jan 2012 07:45:13 GMT
You can use the RPC to access namenode and since its informations.


On Wed, Jan 11, 2012 at 3:32 PM, 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 possible?
>
>
>
>
>
> 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 hadoop
>> 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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