Apache Lens
Apache Lens is a unified Analytics Platform. Lens aims to cut the Data Analytics silos by providing a single view of data across multiple tiered data stores and optimal execution environment for the analytical query.
Prerequisites : Apache Lens requires JDK(>=1.7) and Apache Maven(3.x) to be installed for the build.
JAVA_HOME is required for running tests.
Confirm versions :
java -version
mvn --version
echo ${JAVA_HOME}
Additionally MAVEN_OPTS can be configured as :
export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=256m"
Build the project :
mvn clean package
See [Development Environment Setup] (http://lens.apache.org/developer/contribute.html#Development_Environment_Setup) and [Building from source] (http://lens.apache.org/developer/contribute.html#Building_from_source) docs for more details.