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From "Surendra , Manchikanti" <surendra.manchika...@gmail.com>
Subject Re: Is it possible to get the region count of a table via an API?
Date Wed, 28 Aug 2013 13:12:57 GMT
List<http://docs.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true>
<HRegionInfo<http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/HRegionInfo.html>>
= HBaseAdmin#getTableRegions(tablename);

HRegionInfo.getServerName();

Regards,
Surendra M

-- Surendra Manchikanti


On Wed, Aug 28, 2013 at 5:59 PM, Pavan Sudheendra <pavan0591@gmail.com>wrote:

> How do i get the Server Name associated with the region?
>
>
> On Wed, Aug 28, 2013 at 3:46 PM, Ashwanth Kumar <
> ashwanthkumar@googlemail.com> wrote:
>
> > To check how regions you have in a table (and possibly what they are)
> >  HBaseAdmin#getTableRegions<
> >
> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/HBaseAdmin.html#getTableRegions(byte[])
> > >.
> > In order to split the table you can use
> > HBAdmin#split<
> >
> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/HBaseAdmin.html#split(byte[])
> > >
> > .
> >
> > PS: #split() is an Async Operation.
> >
> >
> > On Wed, Aug 28, 2013 at 3:41 PM, Pavan Sudheendra <pavan0591@gmail.com
> > >wrote:
> >
> > > Hi all,
> > > I know what we can go over to the HBase UI and make a split on our
> table
> > so
> > > that it will be distributed over the cluster.. Is there a way to know
> it
> > > via an API and to possibly change it? This is to know how many map
> tasks
> > > run on our table before we actually run the MR job..
> > > --
> > > Regards-
> > > Pavan
> > >
> >
> >
> >
> > --
> >
> > Ashwanth Kumar / ashwanthkumar.in
> >
>
>
>
> --
> Regards-
> Pavan
>

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