Hi there, you need to read about custom map reduce keys... http://developer.yahoo.com/hadoop/tutorial/module5.html#types
On 11/19/12 3:17 AM, "marcin.kasinski" <[email protected]> wrote: >hadoop 1.0.4 >hbase 0.94.2 > >Hello. > >I'm new to hbase so please try to forgive me if my question is totally >stupid. > >I've created simple map reduce program based on tutorial: > >http://sujee.net/tech/articles/hadoop/hbase-map-reduce-freq-counter/ > > >It works OK. > >Now I have small question. > >Is there any chance to process more than one column inside map ? > >How I changed example : > >In scan I added 2 columns: > > scan.addColumn(Bytes.toBytes("details"), Bytes.toBytes("page")); > scan.addColumn(Bytes.toBytes("details"), >Bytes.toBytes("mkcolumn")); > > >Now map method for the same key is executed ones for page column and >second >time for mkcolumn. > >My requirement is to send to maper both colums together. > >Can I do it ? >Any hints please. > >Regards Marcin > > > > > > >-- >View this message in context: >http://apache-hbase.679495.n3.nabble.com/HBase-map-reduce-exaple-tp4034145 >.html >Sent from the HBase Developer mailing list archive at Nabble.com. >
