Lens contributor meetup

Dec 2014

Agenda

• Introduction• Contribution guidelines• Code walkthrough• Roadmap discussion• Demo through Docker

Contribution guidelines

• Coding contributions• Quality improvements• Documentation• Reviewing• Miscellaneous

Code walkthrough

Roadmap

• Immediate– 2.0 release – Jenkins build issues– Website– Improved documentation

Roadmap

• Near term– Fix issues in join chains– Multiple expressions associated with expression

columns– Scheduler service– Move to Apache Hive dependency– Performance tuning for lens– Improve cube administration with respect to altering– Regression testsuite and commit testsuite

Roadmap

• Medium term– Authorization– Estimate expected query execution time– Run with Hive on tez– Explore Kylin– Explore Zeppelin

Roadmap

• Long term– New drivers – Spark/Redshift– Integration with Apache Falcon

Run Lens on docker

• Very handy for dev testing• Works on Mac

– https://docs.docker.com/installation/mac/– http://boot2docker.io/

• Build the Lens docker image– tools/scripts/build-docker.sh– Required only once unless the docker image is changed

• Run the container– tools/scripts/run-docker.sh

• mounts your incubator-lens git home to /opt/lens into the docker container

• Exports the lens server and client dist into the LENS_HOME and LENS_CLIENT env

Q and A