Convert CSV to Parquet

• Checkout https://github.com/apache/parquet-mr/tree/master/parquet-cli
• mvn clean install -DskipTests
• cd parquet-cli

$ hadoop jar target/parquet-cli-1.12.0-SNAPSHOT-runtime.jar org.apache.parquet.cli.Main convert-csv Test.csv -o Test.parquet

Prerequisite: HADOOP_HOME is already set in the environment