Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase >> mail # user >> Writing map outputs to HBase


Copy link to this message
-
Re: Writing map outputs to HBase
See http://hbase.apache.org/book.html#mapreduce.example.readwrite
On Thu, Aug 29, 2013 at 7:26 AM, praveenesh kumar <[EMAIL PROTECTED]>wrote:

> Hi,
>
> What is the easiest and efficient way to write a sequence file into HBase.
> I want to parse the sequence file. My sequence file has records in the form
> of <null,bytes> .
>
> I want to parse each value, generate keys and values in map() function and
> write the output into HBase.
>
> I am trying to use HBaseTableUtil class. But I am seeing
> TableMapReduceUtil.initTableReducerJob() method that is doing something
> that I need. But I guess, it requires some reducer to exist. Am I right
> here ?
>
> Other way is to create HBase Configuration object in mapper.setup ()
> method, do insertions in map () function and close the connections in
> mapper.close () method.
>
> I was wondering what is the industry standard or most efficient way to do
> map-side insertion on Hbase.
>
> Any suggestions would be really helpful.
>
> Thanks
> Praveenesh
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB