Skip to content

seshuad/Kylin

 
 

Repository files navigation

Kylin OLAP

Overview

Extreme OLAP Engine for Big Data

An open source distributed Analytical Engine from eBay to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop to support TB to PB size analysis.

Getting Started

Prerequisites

Hadoop

  • Hadoop: 2.2.0.2.0.6.0-61 or above
  • Hive: 0.12.0.2.0.6.0-61 or above
  • HBase: 0.96.0.2.0.6.0-61-hadoop2

Tested with Hortornworks distribution (HDP2.1.3), not tested with others yet.

Kylin Server

  • Command hadoop, hive, hbase is workable on your hadoop cluster
  • JDK Runtime: JDK7 (OpenJDK or Oracle JDK)
  • Maven
  • Git
  • Tomcat
  • Mysql

Before Install

  • Mysql: mysql is running and user "root@localhost" without password is ready.
  • For the quick tutorial, we assume that your hadoop has priviledges disabled which means any user could run hadoop and hive command
  • CATALINA_HOME is set

Building Kylin

Git Clone

export KYLIN_REPO=Your Path #$KYLIN_REPO is your dir to handle kylin code base
mkdir -p $KYLIN_REPO
cd $KYLIN_REPO
git clone git@github.com:KylinOLAP/Kylin.git

Compile

To compile Kylin from source code, clone from this repository and run:

mvn clean compile

Kylin will run as web server for user to interactive with it, to generate deployment package (war file) for host on J2EE application server:

Package

mvn clean package

Kylin has a comprehensive set of unit tests that can take long time to run especially for cube generation. You can disable the tests when building:

mvn clean package -DskipTests

Run Kylin

To run Kylin, deploy geneated war file into J2EE application server like Tomcat, and restart application server. then access from browser via following URL: [http://<localhost>:<port>/<application name>]

Resources

About

Core Repo of Kylin OLAP Engine

Resources

License

Stars

Watchers

Forks

Packages

No packages published