Compiling Drill from Source
To develop Drill, you compile Drill from source code and then set up a project in Eclipse for use as your development environment. To review or contribute to Drill code, you must complete the steps required to install and use the Drill patch review tool.
Starting in Drill 1.15, you can build and deploy Apache Drill on the MapR platform.
Prerequisites
Apache Drill requires:
- Apache Maven 3.6.3 or later
- Oracle or OpenJDK 8
Apache Drill on the MapR platform also requires:
- MapR 6.x
- RedHat/CentOS 7.x
Run the following commands to verify that the correct versions of Maven and JDK are installed:
java -version
mvn -version
1. Clone the Repository
git clone https://gitbox.apache.org/repos/asf/drill.git
2. Compile the Code
Change to the drill directory:
cd drill
Build Apache Drill:
mvn clean install -DskipTests
Compiling for MapR environments
If you want to deploy Apache Drill on the MapR platform, include the -Pmapr option to build Drill under the MapR profile.
mvn clean install -DskipTests -Pmapr
Compiling for Hadoop 2 environments
Introduced in release: 1.20
Drill updated its Hadoop client libraries to Hadoop 3 in release 1.17 leaving Hadoop 2 users unable to upgrade beyond Drill 1.16. As of Drill 1.20 it once again becomes possible to build Drill for deployment in an Hadoop 2 environment, by including the -Phadoop-2 option to select the Hadoop 2 profile.
mvn clean install -DskipTests -Phadoop-2
Build outputs
A tarball is built and appears in the distribution/target directory. Move the tarball to another directory for unpacking. Unpack the tarball and then connect to Drill and query sample data, or connect Drill to your data sources.
- To connect Drill to your data sources, refer to Connect to Data Sources for instructions.
- To connect to Drill and query sample data, refer to the following topics: