Hi, I think the following may help -
The Hadoop package org.apache.hadoop.mapred.join Also, Pig Latin, which is a language for processing data on top of Hadoop MapReduce - http://wiki.apache.org/pig Naama On Tue, Jul 29, 2008 at 9:26 AM, charles du <[EMAIL PROTECTED]> wrote: > Hi all: > > Is there a good example for using map/reduce to implement a join operation? > For example, I have two hadoop files: file A has records like <k1, v1>, and > file B has records like <k2, v2>. I would like to join A and B if k1 is > equal to k2. Thanks. > > > -- > tp > -- oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo "If you want your children to be intelligent, read them fairy tales. If you want them to be more intelligent, read them more fairy tales." (Albert Einstein)
