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HBase, mail # user - Re: Writing data to hbase from reducer


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Re: Writing data to hbase from reducer
Doug Meil 2013-08-28, 18:09

MapReduce job reading in your data in HDFS and then emitting Puts against
the target table in the Mapper since it looks like there isn't any
transform happening...

http://hbase.apache.org/book/mapreduce.example.html
 
Likewise, what Harsh said a few days ago.

On 8/27/13 6:33 PM, "Harsh J" <[EMAIL PROTECTED]> wrote:

>You can use HBase's MultiTableOutputFormat:
>http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/MultiTab
>leOutputFormat.html
>
>An example can be found in this blog post:
>http://www.wildnove.com/2011/07/19/tutorial-hadoop-and-hbase-multitableout
>putformat/
On 8/28/13 12:49 PM, "jamal sasha" <[EMAIL PROTECTED]> wrote:

>Hi,
>I have data in form:
>
>source, destination, connection
>This data is saved in hdfs
>
>I want to read this data and put it in hbase table something like:
>        Column1 (source) | Column2(Destination)| Column3(Connection Type)
>Row    vertex A            |       vertex B             | connection
>
>How do I do this?
>Thanks