Port missing new API mapreduce lib classes to 1.x
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Key: MAPREDUCE-3607
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3607
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: client
Affects Versions: 1.0.0
Reporter: Tom White
Assignee: Tom White
There are a number of classes under mapreduce.lib that are not present in the
1.x series. Including these would help users and downstream projects using the
new MapReduce API migrate to later versions of Hadoop in the future.
A few examples of where this would help:
* Sqoop uses mapreduce.lib.db.DBWritable and
mapreduce.lib.input.CombineFileInputFormat (SQOOP-384).
* Mahout uses mapreduce.lib.output.MultipleOutputs (MAHOUT-822).
* HBase has a backport of mapreduce.lib.partition.InputSampler and
TotalOrderPartitioner (in org.apache.hadoop.hbase.mapreduce.hadoopbackport) -
it would be better if it used the ones in Hadoop.
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