# Uses of Package
org.apache.avro.mapred

- Packages that use org.apache.avro.mapred
  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 |

- Classes in org.apache.avro.mapred used by org.apache.avro.hadoop.io
  Class and Description
  AvroKey The wrapper of keys for jobs configured with `AvroJob` .
  AvroWrapper The wrapper of data for jobs configured with `AvroJob` .

- Classes in org.apache.avro.mapred used by org.apache.avro.mapred
  Class and Description
  AvroCollector A collector for map and reduce output.
  AvroMapper A mapper for Avro data.
  AvroRecordReader An `RecordReader` for Avro data files.
  AvroReducer A reducer for Avro data.
  AvroWrapper The wrapper of data for jobs configured with `AvroJob` .
  Pair A key/value pair.

- Classes in org.apache.avro.mapred used by org.apache.avro.mapreduce
  Class and Description
  AvroKey The wrapper of keys for jobs configured with `AvroJob` .
  AvroValue The wrapper of values for jobs configured with `AvroJob` .

- Classes in org.apache.avro.mapred used by org.apache.trevni.avro
  Class and Description
  AvroWrapper The wrapper of data for jobs configured with `AvroJob` .

- Classes in org.apache.avro.mapred used by org.apache.trevni.avro.mapreduce
  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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