I am trying to implement hash-join and nested join on two Hbase tables. However, I am stuck.
I came across the package *org.apache.hadoop.mapred.join* which joins two sorted datasets before map. However, I want to implement joins using map/reduce methods so that I have more control on how to join the data. I found the package *org.apache.hadoop.contrib.utils.join* after a bit of searching which has something I am looking for (not too sure as I have not read the code completely). It would be great if someone who has used this package can give me a pointer on my problem, Is there a way I can take two tables as input in TableMap's map method? (my guess is no) If not, does the current hadoop/hbase implementation provide features for implementing user-defined joins Thanks a lot -Abhinit
