Parquet is a columnar storage format that supports nested data. This provides the java implementation.
'org.apache.parquet:parquet-cascading:1.7.0'
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-cascading</artifactId>
<version>1.7.0</version>
</dependency>
<dependency org="org.apache.parquet" name="parquet-cascading" rev="1.7.0"/>
"org.apache.parquet", "parquet-cascading", "1.7.0"