Parquet is a columnar storage format that supports nested data. This provides the java implementation.
'com.twitter:parquet-scala_2.10:1.6.0rc2'
<dependency>
<groupId>com.twitter</groupId>
<artifactId>parquet-scala_2.10</artifactId>
<version>1.6.0rc2</version>
</dependency>
<dependency org="com.twitter" name="parquet-scala_2.10" rev="1.6.0rc2"/>
"com.twitter", "parquet-scala_2.10", "1.6.0rc2"