| Package | Description | 
|---|---|
| org.elasticsearch.hadoop.mr | Package providing integration between Elasticsearch and
 Map/Reduce package ('org.apache.hadoop.mapred' and 'org.apache.hadoop.mapreduce'). | 
| Package | Description | 
|---|---|
| org.elasticsearch.hadoop.cascading | Package providing integration between Elasticsearch and Cascading library. | 
| org.elasticsearch.hadoop.cascading.lingual | Support for Cascading Lingual extension. | 
| Package | Description | 
|---|---|
| org.elasticsearch.hadoop | Base package providing common exceptions used by the Elasticsearch Hadoop library. | 
| org.elasticsearch.hadoop.cfg | Configuration package that handles loading across different environments. |