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From Tejas Lagvankar <t...@umbc.edu>
Subject Re: Showing hadoop status
Date Tue, 10 Nov 2009 18:44:55 GMT
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




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