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Posted to dev@hbase.apache.org by "Will Temperley (JIRA)" <ji...@apache.org> on 2015/01/27 09:55:35 UTC
[jira] [Created] (HBASE-12929)
TableMapReduceUtil.initTableMapperJob unnecessarily limits the types of
outputKeyClass and outputValueClass
Will Temperley created HBASE-12929:
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Summary: TableMapReduceUtil.initTableMapperJob unnecessarily limits the types of outputKeyClass and outputValueClass
Key: HBASE-12929
URL: https://issues.apache.org/jira/browse/HBASE-12929
Project: HBase
Issue Type: Improvement
Components: mapreduce
Reporter: Will Temperley
Priority: Minor
The initTableMapperJob methods in TableMapReduceUtil which take multiple scans unnecessarily limit the types of the outputKeyClass and outputValueClass parameters, requiring them to extend WritableComparable and Writable respectively.
In my specific use case, therefore, I cannot create a mapper job which outputs an hbase.client.Result.
The methods in the MapReduce API to set map output key and value types do not impose this restriction.
The other overloads of initTableMapperJob do not have this limitation - the restrictions were removed by https://issues.apache.org/jira/browse/HBASE-7024
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