Package org.apache.druid.indexer
Class DetermineHashedPartitionsJob.DetermineCardinalityMapper
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- org.apache.hadoop.mapreduce.Mapper<Object,Object,KEYOUT,VALUEOUT>
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- org.apache.druid.indexer.HadoopDruidIndexerMapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>
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- org.apache.druid.indexer.DetermineHashedPartitionsJob.DetermineCardinalityMapper
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- Enclosing class:
- DetermineHashedPartitionsJob
public static class DetermineHashedPartitionsJob.DetermineCardinalityMapper extends HadoopDruidIndexerMapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>
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Field Summary
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Fields inherited from class org.apache.druid.indexer.HadoopDruidIndexerMapper
granularitySpec
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Constructor Summary
Constructors Constructor Description DetermineCardinalityMapper()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected voidinnerMap(org.apache.druid.data.input.InputRow inputRow, org.apache.hadoop.mapreduce.Mapper.Context context)voidrun(org.apache.hadoop.mapreduce.Mapper.Context context)protected voidsetup(org.apache.hadoop.mapreduce.Mapper.Context context)-
Methods inherited from class org.apache.druid.indexer.HadoopDruidIndexerMapper
getConfig, map
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Method Detail
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setup
protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context) throws IOException, InterruptedException- Overrides:
setupin classHadoopDruidIndexerMapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>- Throws:
IOExceptionInterruptedException
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innerMap
protected void innerMap(org.apache.druid.data.input.InputRow inputRow, org.apache.hadoop.mapreduce.Mapper.Context context) throws IOException- Specified by:
innerMapin classHadoopDruidIndexerMapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>- Throws:
IOException
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run
public void run(org.apache.hadoop.mapreduce.Mapper.Context context) throws IOException, InterruptedException- Overrides:
runin classorg.apache.hadoop.mapreduce.Mapper<Object,Object,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.BytesWritable>- Throws:
IOExceptionInterruptedException
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