Re: Loading HBase table into HDFS

2016-09-22 Thread Ted Yu 
The parameter I mentioned only covers one column family. 

You need to run export for each of the column families. 

> On Sep 22, 2016, at 9:15 PM, karthi keyan  wrote:
> 
> Thanks all ,
> 
> I Want to load a certain number of columnfamily in to the HDFS. how can i
> achieve it  ?
> 
> 
>> On Wed, Sep 21, 2016 at 9:30 PM, Ted Yu  wrote:
>> 
>> By specifying "hbase.mapreduce.scan.column.family", you can export
>> selected
>> column family.
>> 
>> On Wed, Sep 21, 2016 at 8:49 AM, sudhir patil 
>> wrote:
>> 
>>> You can use export command, but not sure if u can export just one column
>>> family http://hbase.apache.org/0.94/book/ops_mgt.html#export
>>> 
 On Sep 21, 2016 10:42 PM, "Dima Spivak"  wrote:
 
 Hey Karthik,
 
 This blog post [1] by our very own JD Cryans is a good place to start
 understanding bulk load.
 
 1.
 http://blog.cloudera.com/blog/2013/09/how-to-use-hbase-bulk-
 loading-and-why/
 
 On Wednesday, September 21, 2016, karthi keyan <
>>> karthi93.san...@gmail.com>
 wrote:
 
> Can any one please guide me to load the HBase table in to HDFS with
> specific columnfamily.
> 
> thank,
> karthik
 
 
 --
 -Dima
>>

Re: Loading HBase table into HDFS

2016-09-22 Thread karthi keyan 
Thanks all ,

I Want to load a certain number of columnfamily in to the HDFS. how can i
achieve it  ?


On Wed, Sep 21, 2016 at 9:30 PM, Ted Yu  wrote:

> By specifying "hbase.mapreduce.scan.column.family", you can export
> selected
> column family.
>
> On Wed, Sep 21, 2016 at 8:49 AM, sudhir patil 
> wrote:
>
> > You can use export command, but not sure if u can export just one column
> > family http://hbase.apache.org/0.94/book/ops_mgt.html#export
> >
> > On Sep 21, 2016 10:42 PM, "Dima Spivak"  wrote:
> >
> > > Hey Karthik,
> > >
> > > This blog post [1] by our very own JD Cryans is a good place to start
> > > understanding bulk load.
> > >
> > > 1.
> > > http://blog.cloudera.com/blog/2013/09/how-to-use-hbase-bulk-
> > > loading-and-why/
> > >
> > > On Wednesday, September 21, 2016, karthi keyan <
> > karthi93.san...@gmail.com>
> > > wrote:
> > >
> > > > Can any one please guide me to load the HBase table in to HDFS with
> > > > specific columnfamily.
> > > >
> > > > thank,
> > > > karthik
> > > >
> > >
> > >
> > > --
> > > -Dima
> > >
> >
>

Re: Loading HBase table into HDFS

2016-09-21 Thread Ted Yu 
By specifying "hbase.mapreduce.scan.column.family", you can export selected
column family.

On Wed, Sep 21, 2016 at 8:49 AM, sudhir patil 
wrote:

> You can use export command, but not sure if u can export just one column
> family http://hbase.apache.org/0.94/book/ops_mgt.html#export
>
> On Sep 21, 2016 10:42 PM, "Dima Spivak"  wrote:
>
> > Hey Karthik,
> >
> > This blog post [1] by our very own JD Cryans is a good place to start
> > understanding bulk load.
> >
> > 1.
> > http://blog.cloudera.com/blog/2013/09/how-to-use-hbase-bulk-
> > loading-and-why/
> >
> > On Wednesday, September 21, 2016, karthi keyan <
> karthi93.san...@gmail.com>
> > wrote:
> >
> > > Can any one please guide me to load the HBase table in to HDFS with
> > > specific columnfamily.
> > >
> > > thank,
> > > karthik
> > >
> >
> >
> > --
> > -Dima
> >
>

Re: Loading HBase table into HDFS

2016-09-21 Thread sudhir patil 
You can use export command, but not sure if u can export just one column
family http://hbase.apache.org/0.94/book/ops_mgt.html#export

On Sep 21, 2016 10:42 PM, "Dima Spivak"  wrote:

> Hey Karthik,
>
> This blog post [1] by our very own JD Cryans is a good place to start
> understanding bulk load.
>
> 1.
> http://blog.cloudera.com/blog/2013/09/how-to-use-hbase-bulk-
> loading-and-why/
>
> On Wednesday, September 21, 2016, karthi keyan 
> wrote:
>
> > Can any one please guide me to load the HBase table in to HDFS with
> > specific columnfamily.
> >
> > thank,
> > karthik
> >
>
>
> --
> -Dima
>

Re: Loading HBase table into HDFS

2016-09-21 Thread Dima Spivak 
Hey Karthik,

This blog post [1] by our very own JD Cryans is a good place to start
understanding bulk load.

1.
http://blog.cloudera.com/blog/2013/09/how-to-use-hbase-bulk-loading-and-why/

On Wednesday, September 21, 2016, karthi keyan 
wrote:

> Can any one please guide me to load the HBase table in to HDFS with
> specific columnfamily.
>
> thank,
> karthik
>


-- 
-Dima

Re: Loading HBase table into HDFS

2016-09-21 Thread Ted Yu 
Can you clarify your scenario ?

Normally hbase is backed by hdfs - the table is already stored on hdfs.

Cheers

On Wed, Sep 21, 2016 at 4:46 AM, karthi keyan 
wrote:

> Can any one please guide me to load the HBase table in to HDFS with
> specific columnfamily.
>
> thank,
> karthik
>

Loading HBase table into HDFS

2016-09-21 Thread karthi keyan 
Can any one please guide me to load the HBase table in to HDFS with
specific columnfamily.

thank,
karthik