druid io.druid 0.9.1-SNAPSHOT ../../pom.xml 4.0.0 druid-parquet-extensions io.druid.extensions druid-avro-extensions ${project.parent.version} provided org.apache.parquet parquet-avro 1.8.0 io.druid druid-indexing-hadoop ${project.parent.version} provided org.apache.hadoop hadoop-client provided junit junit test