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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hbase/MapReduce" by JimKellerman
Date Fri, 08 Feb 2008 22:26:21 GMT
Dear Wiki user,

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The following page has been changed by JimKellerman:
http://wiki.apache.org/hadoop/Hbase/MapReduce

------------------------------------------------------------------------------
  
  Running mapreduce jobs that have hbase as source or sink, you'll need to specify source/sink
table and column names in your configuration.
  
- Reading from hbase, the TableInputFormat asks hbase for the list of regions and makes a
map-per-region.  Writing, its better to have lots of reducers so load is spread across the
hbase cluster.
+ Reading from hbase, the !TableInputFormat asks hbase for the list of regions and makes a
map-per-region.  Writing, its better to have lots of reducers so load is spread across the
hbase cluster.
  

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