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From Mark N <nipen.m...@gmail.com>
Subject Re: Showing hadoop status
Date Wed, 11 Nov 2009 04:02:34 GMT
Am trying to invoke hadoop process from seperate user interface  where user
can see some kind of status.  has anyone tried on this approach?

thanks


On Wed, Nov 11, 2009 at 12:29 AM, Tejas Lagvankar <tej2@umbc.edu> wrote:

> Why would you want to read the status and write some other application when
> Hadoop provides cluster monitoring webapps at ports 50030, 50060 and 50070 ?
>
>
> On Nov 10, 2009, at 4:58 AM, Mark N wrote:
>
>  Currently  I was trying to read the log files generated by hadoop so that
>> I
>> could show the status of map/reduce jobs in user interfaces
>> (consider that UI is a separate application )
>>
>> I was looking at JobTracker APIs and was trying use following APIs
>> 1. jobtracker.getAllJobs()  which returns array of jobstatus objects
>>
>> 2. Then for each jobStatus we can call
>>   mapProgress() , isJobCompleted()  methods
>>
>> The problem is how do I link existing jobTracker ( which is already
>> running
>> )  with my  code ? i am trying to built something like  " hadoop UI ."
>>
>> should I use jobClient  APIs ? Also is this a proper approach ?
>>
>> thanks in advance . N mark.
>>
>
> Tejas Lagvankar
> meettejas@umbc.edu
> www.umbc.edu/~tej2 <http://www.umbc.edu/%7Etej2>
>
>
>
>

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