Oops, sorry -- brain fart :) Tobias is correct - JobClient exposes a fair
amount of the information.

There are definitely *some* items that aren't exposed, but I can't seem to
recall what they are, now.

Apologies for the misinformation.

-Todd

On Mon, Nov 9, 2009 at 3:29 PM, Tobias Jungen <tobias.jun...@gmail.com>wrote:

> Hi,
>
> Correct me if I'm wrong but you should very much be able to get the
> currently running jobs via the provided API. If you call
> JobTracker.getAllJobs() you'll get an array of JobStatus objects, which
> each
> correspond to a job. You can then get the job progress via
> JobStatus.mapProgress and JobStatus.reduceProgress.
>
> The one caveat is that you can't link into a running JobTracker, so you
> only
> have access to it if you launch it from your own code. However! You can
> (and
> should) use JobClient (
>
> http://hadoop.apache.org/common/docs/r0.19.1/api/org/apache/hadoop/mapred/JobClient.html
> )
> instead to query information about jobs on your cluster. You can
> instantiate
> these objects with some basic configuration information, and then you will
> have access to JobClient.getAllJobs much like the aforementioned
> JobTracker.getAllJobs.
>
> -Toby
>
> On Mon, Nov 9, 2009 at 12:15 PM, Todd Lipcon <t...@cloudera.com> wrote:
>
> > Hi,
> >
> > No, there is currently no public-facing API for tracking job status aside
> > from parsing those JSPs (or adding your own)
> >
> > -Todd
> >
> > On Mon, Nov 9, 2009 at 5:28 AM, pnd <prafulla.daw...@gmail.com> wrote:
> >
> > >
> > >  Hi i am new to hadoop been using it for few weeks now, i tried few
> > > map/reduce example and could see logs in jobtracker.jsp.
> > > Is there any way to use jobtracker
> > > api(
> > >
> >
> http://hadoop.apache.org/common/docs/r0.19.1/api/org/apache/hadoop/mapred/JobTracker.html
> > > )
> > > for tracking the jobs instead using jobtracker jsp because I am trying
> to
> > > build new UI to show the job progress according to my requirements.
> > >
> > > Thanks in advance.
> > >
> > > --
> > > View this message in context:
> > >
> >
> http://old.nabble.com/Using-jobtracker-api-for-developing-UI-in-hadoop-0.19.1-tp26266407p26266407.html
> > > Sent from the Hadoop core-user mailing list archive at Nabble.com.
> > >
> > >
> >
>

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