| Package | Description | 
|---|---|
| org.apache.solr.hdfs | HDFS implementation. | 
| org.apache.solr.hdfs.backup.repository | An HDFS backup repository implementation. | 
| org.apache.solr.hdfs.index | An HDFS CheckIndex implementation. | 
| org.apache.solr.hdfs.snapshots | An HDFS snapshot implementation. | 
| org.apache.solr.hdfs.store | An HDFS Directory implementation. | 
| org.apache.solr.hdfs.store.blockcache | An HDFS blockcache implementation. | 
| org.apache.solr.hdfs.update | An HDFS update log and transaction log implementation. | 
| org.apache.solr.hdfs.util | An HDFS util implementation. |