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From st...@apache.org
Subject svn commit: r833773 - /hadoop/hbase/branches/0.20/src/java/org/apache/hadoop/hbase/mapreduce/package-info.java
Date Sat, 07 Nov 2009 23:03:13 GMT
Author: stack
Date: Sat Nov  7 23:03:13 2009
New Revision: 833773

URL: http://svn.apache.org/viewvc?rev=833773&view=rev
Add a note to javadoc


Modified: hadoop/hbase/branches/0.20/src/java/org/apache/hadoop/hbase/mapreduce/package-info.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.20/src/java/org/apache/hadoop/hbase/mapreduce/package-info.java?rev=833773&r1=833772&r2=833773&view=diff
--- hadoop/hbase/branches/0.20/src/java/org/apache/hadoop/hbase/mapreduce/package-info.java
+++ hadoop/hbase/branches/0.20/src/java/org/apache/hadoop/hbase/mapreduce/package-info.java
Sat Nov  7 23:03:13 2009
@@ -133,7 +133,8 @@
 3-4 (See TotalOrderPartitioner up in hadoop for more on what this means). 
 To achieve total ordering, you will likely need to write a Partitioner
 that is intimate with your tables key namespace and that knows how
-to distribute keys among the reducers so a total order is maintained.
+to distribute keys among the reducers so a total order is maintained
+(You need at least hadoop 0.20.1 setting your own Partitioner -- see MAPREDUCE-565).
 <p>See org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat for an example that
puts together
 {@link org.apache.hadoop.hbase.mapreduce.KeyValueSortReducer} and {@link org.apache.hadoop.hbase.mapreduce.HFileOutputFormat}.</p>

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