| Package | Description | 
|---|---|
| org.apache.avro.hadoop.io | |
| org.apache.avro.mapred | Run Hadoop MapReduce jobs over
Avro data, with map and reduce functions written in Java. | 
| org.apache.avro.mapreduce | |
| org.apache.trevni.avro | Read and write Avro data
in Trevni column files. | 
| org.apache.trevni.avro.mapreduce | 
| Class and Description | 
|---|
| AvroKey The wrapper of keys for jobs configured with  AvroJob. | 
| AvroWrapper The wrapper of data for jobs configured with  AvroJob. | 
| Class and Description | 
|---|
| AvroCollector A collector for map and reduce output. | 
| AvroMapper A mapper for Avro data. | 
| AvroRecordReader An  RecordReaderfor Avro data files. | 
| AvroReducer A reducer for Avro data. | 
| AvroWrapper The wrapper of data for jobs configured with  AvroJob. | 
| Pair A key/value pair. | 
| Class and Description | 
|---|
| AvroKey The wrapper of keys for jobs configured with  AvroJob. | 
| AvroValue The wrapper of values for jobs configured with  AvroJob. | 
| Class and Description | 
|---|
| AvroWrapper The wrapper of data for jobs configured with  AvroJob. | 
| Class and Description | 
|---|
| AvroKey The wrapper of keys for jobs configured with  AvroJob. | 
| AvroValue The wrapper of values for jobs configured with  AvroJob. | 
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