To refresh your queues, you may do, as your MR admin user:

$ hadoop mradmin -refreshQueues

Am not sure if this covers CS config refreshes, but let us know if it does.
The above command is present in Apache Hadoop 1.x.

On Fri, Mar 16, 2012 at 12:08 AM, Shailesh <shailesh.shai...@gmail.com>wrote:

> Hi Harshad,
>
> Have you looked into CapacitySchedulerConf.java class?
>
> http://www.java2s.com/Open-Source/Java/Database-DBMS/hadoop-0.20.1/org/apache/hadoop/mapred/CapacitySchedulerConf.java.htm
>
> I don't know whether it can be done without restarting the cluster or
> namenode.
>
> On Thu, Mar 15, 2012 at 2:03 PM, hdev ml <hde...@gmail.com> wrote:
>
> > Thanks for the email Shailesh.
> >
> > I am looking for some Java API to manage queues.
> >
> > I have already defined queues in the capacity-scheduler.xml and
> everything
> > works fine.
> >
> > But my question is, can the same thing be done without restarting the
> > cluster or namenode? The only option I see is Java API, hence the
> question.
> >
> > Please let me know.
> >
> > Harshad
> >
> > On Thu, Mar 15, 2012 at 10:33 AM, Shailesh <shailesh.shai...@gmail.com
> > >wrote:
> >
> > > Hi Harshad,
> > > have you looked into the file conf/capacity-scheduler.xml? you can
> assign
> > > and change parameters like capacity of each queue, reclaim time and job
> > > priorities. Is that what you're looking for?
> > >
> > > Shailesh
> > >
> > > On Thu, Mar 15, 2012 at 12:57 PM, hdev ml <hde...@gmail.com> wrote:
> > >
> > > > Does anybody have an answer to this question?
> > > >
> > > > Harshad
> > > >
> > > > On Wed, Mar 14, 2012 at 1:51 PM, hdev ml <hde...@gmail.com> wrote:
> > > >
> > > > > Hi all,
> > > > >
> > > > > are there any capacity scheduler apis that I can use?
> > > > >
> > > > > e.g. adding, removing queues, tuning properties on the fly and so
> on.
> > > > >
> > > > > Any help is appreciated.
> > > > >
> > > > > Thanks
> > > > >
> > > > > Harshad
> > > > >
> > > >
> > >
> >
>



-- 
Harsh J

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