You can use the util classes provided already. Note that it won't be very fast and you might want to try out bulk import as well (especially if it is one time or rare occurrence.) It depends on your use case. Check out the documentation below:
For the Map Reduce Hbase util: http://hbase.apache.org/book/mapreduce.example.html http://bigdataprocessing.wordpress.com/2012/07/27/hadoop-hbase-mapreduce-examples/ For Hbase Bulk import: http://blog.cloudera.com/blog/2013/09/how-to-use-hbase-bulk-loading-and-why/ Regards, Shahab On Mon, Aug 11, 2014 at 7:14 AM, [email protected] <[email protected]> wrote: > > Hi, > > I have an input which has about 10M records，each recored is a rowkey > in hbase. > How can i get these data from HBase with MapReduce job? > > Thanks, > Lei > > > [email protected] >
